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  Key Takeaways Good vision care does not begin with treatment alone. It starts with an examination to determine whether a vision problem is related to a refractive error, how the eyes are being used, or another condition that may need further assessment. Optometrists play an important role in this process. They measure refractive errors, assess vision, and screen for potential problems, providing information that helps ophthalmologists plan appropriate care. 📌 Table of Contents ▶Understanding Optometrists and Their Role in Vision Testing ▶Blurry Vision Is Not Always Just a Change in Your Prescription ▶Vision Problems Change at Different Stages of Life ▶Why Are Regular Eye Examinations Important? ▶You Have Only One Pair of Eyes: Start Caring for Them Today Understanding Optometrists and Their Role in Vision Testing Optometrists specialize in vision testing and assessment. Their work ranges from determining a refractive prescription for glasses and assessing focusing difficulties and visual demands to performing examinations that support treatment or vision correction surgery. In some cases, blurry vision is not caused by a refractive error alone. Optometrists can help identify whether a person may need further examination by an ophthalmologist. An optometric examination therefore goes beyond telling someone how much nearsightedness, farsightedness, or astigmatism they have. It offers a more detailed understanding of how that individual sees. Blurry Vision Is Not Always Just a Change in Your Prescription Symptoms such as blurred or unclear vision, eye pain, eye fatigue, or discomfort when focusing are common and can have several possible causes. For some people, the problem is a change in their prescription. For others, it may involve focusing difficulties, how the eyes work together, or an eye condition that needs further assessment. This is why an eye examination should involve more than trying different lenses to find the clearest one. Symptoms, visual habits, and examination results should all be considered to help identify what is causing the problem. Even people who feel they can see well may benefit from an eye examination, as some eye conditions do not cause obvious symptoms in their early stages. Vision Problems Change at Different Stages of Life The demands we place on our eyes change throughout life, and so do the vision problems we may experience. Eye examinations tailored to a person's age and visual habits can help identify problems more effectively. Childhood: Poor Vision Can Affect Learning Young children may not realize, or be able to explain, that their vision is blurry, even when they have a refractive error. This is why vision screening before school age is important, particularly for children who sit very close to screens, rub their eyes frequently, tilt their heads to see, or struggle with reading and learning. Finding a problem early allows appropriate care to be planned while the visual system is still developing. The Teenage Years: When Screens Become Part of Daily Life Smartphones, tablets, and computers are part of everyday learning and life for teenagers. Spending long periods focusing on nearby screens can lead to eye fatigue, eye pain, temporary difficulty seeing clearly at a distance, or focusing problems. If a teenager begins to experience blurry vision, headaches, or increased difficulty focusing, an eye examination can help determine whether the cause is a change in prescription or prolonged near work. Working Age: Do Not Overlook Your Eye Health Working adults use their eyes at many distances throughout the day, from computer screens, phones, and documents to driving. When their prescription or glasses do not suit their work, they may experience eye fatigue, discomfort around the eyes, blurry vision, or headaches, especially after hours of close-up tasks. An eye examination should therefore take working habits into account so that vision correction can better match everyday needs. Age 40 and Beyond: When Near Vision Starts to Change From around the age of 40, many people begin to notice that reading or looking at a phone up close is more difficult. They may need to hold things farther away or feel eye strain during near tasks. These changes may be related to presbyopia (age-related difficulty focusing on near objects), a natural change in the eyes. Eye conditions such as cataracts may also become more common at this age. If your vision changes, do not assume it is simply part of getting older. An eye examination can help identify the cause. Why Are Regular Eye Examinations Important? Many people wait until their vision becomes blurry before having their eyes checked. In fact, vision and eye health examinations can be performed even when there are no noticeable symptoms. For some, a check-up may reveal a change in prescription. For others, it may identify a problem that needs further assessment by an ophthalmologist. Regular examinations are especially relevant for people with underlying medical conditions, a family history of eye disease, heavy visual demands, or age-related risk factors. Having your eyes examined at appropriate intervals can support ongoing eye care. You Have Only One Pair of Eyes: Start Caring for Them Today Taking care of your eyes starts with simple daily habits: resting your eyes during screen work, avoiding prolonged close-up focusing, adjusting viewing distance and lighting, and taking breaks when your eyes feel tired or uncomfortable. Overall health matters too. Managing underlying health conditions, getting enough rest, and having eye examinations when appropriate are all part of caring for your vision over the long term. At Bangkok Eye Hospital, optometrists work alongside ophthalmologists to assess vision. Their role includes measuring refractive errors, gathering information to support treatment planning, and performing initial screening so that each patient can receive care suited to their visual needs. Book an Appointment / Ask Our Eye Care Team Call 02-511-2111 LINE Book Online Article by Assoc. Prof. Dr. Anun Vongthongsri Chief Executive Officer (CEO) and Specialist Ophthalmologist A specialist in cornea and refractive surgery (LASIK), and the founder of Bangkok Eye Hospital. Doctor's Profile Book a Consultation *Note: This information is for educational purposes only and is not a substitute for a medical diagnosis. If you experience any unusual eye symptoms, please consult a qualified ophthalmologist.

There are several popular types of LASIK, such as PRK, which removes the corneal surface to reshape the cornea; LASIK, which uses a microkeratome blade to create a corneal flap; Femto LASIK, which uses a laser instead of a blade; and ReLEx SMILE, which involves a smaller incision and faster recovery. LASIK is suitable for people with nearsightedness, farsightedness, or astigmatism, who have a strong and sufficiently thick cornea, and no chronic or severe eye diseases. It is ideal for those who want to reduce their dependence on glasses or contact lenses in daily life. Choosing the most appropriate LASIK technique depends on your vision condition, corneal structure, and lifestyle. It’s best to consult an experienced ophthalmologist for a personalized evaluation and treatment recommendation. What Are the Different Types of LASIK? Vision problems such as nearsightedness, farsightedness, or astigmatism can significantly affect one’s quality of life. LASIK has become a popular and effective solution for permanent vision correction.Today, there are various LASIK technologies — each with its unique principles, advantages, limitations, and costs.This article explores how many types of LASIK there are, comparing each method’s pros and cons and helping you choose the best technique for your eye condition, budget, and lifestyle.   Main Types of LASIK Surgery LASIK technologies have evolved continuously to meet different vision correction needs. Each type works differently and has its own benefits and precautions:   1. PRK (Photorefractive Keratectomy) The earliest LASIK method. The surgeon removes the outer corneal surface before reshaping the cornea with a laser. The surface gradually regenerates.Pros: No risk of flap displacement; suitable for thin corneas or people with high-impact activities.Cons: Longer recovery (3–5 days of discomfort or blurred vision).   2. TransPRK An advanced form of PRK using Excimer laser to remove the epithelium and reshape the cornea in one step — without touching the eye directly.Pros: No flap creation; ideal for thin corneas.Cons: Similar recovery time to PRK; may cause temporary discomfort.   3. Standard LASIK Traditional LASIK using a microkeratome blade to create a corneal flap, then reshaping with a laser.Pros: Fast recovery, minimal pain.Cons: Possible flap displacement if the eye is hit within 1–3 months.   4. FemtoLASIK (Femtosecond LASIK) An upgraded version of standard LASIK using a Femtosecond laser instead of a blade to create the flap.Pros: More precise, safer, smoother flap surface, faster healing.Cons: Still carries minor flap displacement risk.   5. ReLEx SMILE Uses a Femtosecond laser to create a small tissue lenticule, which is removed through a 2–4 mm incision — no flap creation.Pros: Tiny incision, faster recovery, lower dry-eye risk, better corneal stability.Cons: Suitable only for myopia and astigmatism (not presbyopia).   6. SMILE Pro® The most advanced and comfortable LASIK technology today, using high-speed laser correction — only 8 seconds per eye.Pros: Fast, accurate, less anxiety during the procedure.Cons: Applicable for myopia and astigmatism only.   7. NanoLASIK An enhanced all-laser LASIK using low-energy femtosecond laser and AI-assisted scanning for higher precision.Pros: Painless, accurate, safe, effective for myopia, hyperopia, and astigmatism.   8. NanoReLEx® Uses next-gen femtosecond laser with AI + real-time OCT scanning, creating and removing corneal tissue via a small incision (~2 mm).Pros: Extremely precise, safest option, quick recovery.Cons: Suitable for myopia and astigmatism only.   9. NV LASIK Designed for presbyopia correction, using blended vision — one eye is corrected for distance, the other slightly nearsighted for near focus.Pros: Reduces dependency on reading glasses.Cons: Requires a short adaptation period.   10. Nano NV LASIK An advanced form of FemtoLASIK using ultra-fast femtosecond laser (nanojoule energy) for smooth corneal separation and rapid recovery.Pros: Enhances both near and distance vision for presbyopia; minimal discomfort.Cons: May slightly reduce contrast sensitivity.   Comparison Table: Types of LASIK Type Principle Advantages Precautions PRK Removes surface layer before reshaping cornea No flap, suitable for thin corneas Slower recovery, discomfort TransPRK Laser removes surface and reshapes in one step Touch-free, no flap Slower recovery Standard LASIK Blade creates flap, laser reshapes Fast recovery Flap may shift with impact FemtoLASIK Laser creates flap, no blade High precision, safer Minor flap risks ReLEx SMILE Laser creates small lenticule, removed via tiny incision Small incision, quick recovery Limited to myopia/astigmatism SMILE Pro® Fast femtosecond laser (8 sec/eye) Quick, comfortable Myopia/astigmatism only NanoLASIK Low-energy laser, AI precision Safe, accurate Slight risk if impacted early NanoReLEx® AI-assisted femtosecond laser, OCT scan Highly precise, safest Myopia/astigmatism only NV LASIK Blended vision correction See near & far Needs short adjustment Nano NV LASIK Nano-energy laser for presbyopia Fast recovery, smooth May reduce image sharpness   Who Is a Good Candidate for LASIK? LASIK is effective but not suitable for everyone. Ideal candidates should: Be 18 years or older Have stable vision for at least 1 year Have sufficient corneal thickness Have no severe eye diseases (e.g., glaucoma, cataracts) Have no uncontrolled medical conditions (e.g., diabetes)   Pre-LASIK Preparation Stop wearing contact lenses before surgery Wash your face and hair thoroughly Avoid makeup and wear front-button clothing Do not use perfume or deodorant sprays Avoid alcohol the day before Inform your doctor of all medications Do not drive on the day of surgery — have someone accompany you   Post-LASIK Care and Precautions Do not rub your eyes Avoid getting water in your eyes Do not swim or dive until cleared by your doctor Avoid eye makeup for at least 2 weeks Use prescribed eye drops strictly Wear protective eye shields while sleeping for 1 week Rest your eyes regularly when using screens   How Much Does LASIK Cost? Costs vary by technology. A comprehensive eye evaluation at Bangkok Eye Hospital can help determine the most suitable technique and estimate the total cost, including aftercare and insurance options.   Conclusion How many types of LASIK are there?There are several — such as PRK, LASIK, Femto LASIK, and ReLEx SMILE, each differing in technology, incision size, and recovery time.Choosing the right LASIK method requires professional evaluation to ensure safety, accuracy, and long-term results.Bangkok Eye Hospital offers modern technology and specialized eye care to help you achieve clearer vision confidently.   FAQs About LASIK Types 1. Can I undergo another LASIK procedure with a different technique?Yes, but it depends on your corneal condition and previous method. For example, if you previously had LASIK with a flap, your surgeon may reopen it for enhancement. PRK retreatment is also possible for certain cases.   2. Does the LASIK type affect recovery time?Yes. PRK typically takes several days to a week for recovery, while LASIK, Femto LASIK, and ReLEx SMILE allow clear vision within 1–3 days.   3. Which LASIK technique is best for me?It depends on your vision type, corneal thickness, lifestyle, and budget. Consulting a specialized ophthalmologist is essential for finding the most suitable and effective option.

What Are Contact Lenses? Contact lenses are clear lenses worn directly on the eyes to correct vision problems or enhance appearance. They come in many types, such as soft lenses, rigid gas-permeable (RGP) lenses, daily or monthly lenses, toric lenses for astigmatism, and cosmetic color lenses. Proper contact lens care includes washing hands thoroughly before handling lenses, cleaning them with contact lens solution after every use, avoiding tap water or saliva, storing them in fresh solution daily, and cleaning the lens case regularly—replacing it every 3 months to prevent eye infections. When wearing contact lenses, follow your eye doctor’s instructions, avoid sharing lenses, always wash your hands before touching them, and do not wear them for too long or sleep with them in to reduce the risk of irritation and infection. Contact lenses are a great option for people who want clear vision or a more striking look. However, improper use or poor hygiene can cause serious eye problems. Therefore, it’s important to know how to wear, clean, and care for them correctly to ensure long-term eye health and safety. What Are Contact Lenses? Contact lenses are thin, transparent discs placed on the cornea to correct refractive errors—conditions where light entering the eye does not focus properly on the retina, resulting in blurred vision. They can correct nearsightedness (myopia), farsightedness (hyperopia), astigmatism, and presbyopia (age-related farsightedness). Types of Contact Lenses Contact lenses can be categorized based on material and duration of use. 1. Rigid Contact Lenses Rigid Gas-Permeable (RGP) lenses allow oxygen to pass through to the cornea. They are ideal for people with high astigmatism or keratoconus, helping reshape the cornea for sharper vision. 2. Soft Contact Lenses Soft lenses are the most popular type due to their comfort and ease of use. They include: Daily lenses: Single-use lenses discarded after one day; hygienic and low infection risk. Weekly lenses: Worn daily and replaced every 1–2 weeks. Monthly lenses: Worn daily and replaced every month. Extended-wear lenses: Can be worn overnight for several days, but with high infection risk—use only under medical advice. Toric lenses: Correct astigmatism; available in daily and extended-wear forms. Color lenses: Available for vision correction or cosmetic purposes; includes fashion lenses, big-eye lenses, UV-blocking, and color vision correction lenses. Always consult an ophthalmologist before use. Cosmetic lenses: Used purely for appearance—such as cat-eye or vampire effects. Even without vision correction, they should be prescribed by an eye doctor to prevent infections. 3. Other Specialized Lenses Hybrid lenses: Combine soft and rigid materials to improve comfort and visual clarity; ideal for irregular corneas or aging eyes. Multifocal lenses: Contain multiple vision zones for both near and far focus; suitable for presbyopia. Therapeutic lenses: Used after eye surgery to protect and promote corneal healing. Benefits of Contact Lenses Provide clear, natural vision without restricting peripheral view, unlike eyeglasses. Convenient for sports or active lifestyles. Enhance appearance and confidence, especially with cosmetic color options. How to Insert Contact Lenses Wash hands thoroughly with soap and water; dry with a lint-free towel. Work on a clean surface; close sink drains if working near water. Start with the same eye every time (e.g., right eye first). Rinse lens with solution—never use tap water. Place the lens on your fingertip and check that it’s not inside out (edges should curve upward like a bowl). Hold upper eyelid with one hand and lower eyelid with the other. Look straight ahead and gently place the lens on the eye. Blink slowly to center it. Repeat for the other eye. How to Remove Contact Lenses Wash and dry your hands first. Look up and gently pull down your lower eyelid. Slide the lens down onto the white part of the eye. Pinch it gently between your thumb and index finger to remove. Clean with lens solution before storing. Replace daily lenses with a new pair as instructed. Proper Lens Care and Storage Clean lenses daily with recommended solution. Rub lenses gently with fingertips to remove residue. Replace the solution in the case every day. Clean and air-dry the lens case weekly; replace every 3 months. Never rinse lenses with tap water, saline, or saliva. Avoid transferring lens solution into smaller containers. Discard expired or old solution. Who Should Avoid Wearing Contact Lenses Avoid wearing lenses if you have: Dry eyes or corneal abnormalities Skin conditions around the eyelids Thyroid eye disease (protruding eyes) Poorly controlled diabetes Allergies to lens materials or cleaning solutions Tremors, hand coordination problems, or skin issues on fingers/nails Safe Contact Lens Practices Get lenses fitted by an eye specialist. Wash and dry hands before touching lenses. Do not share or swap lenses. Avoid swimming or sleeping with lenses on. Keep solution bottle tips clean. Wear sunglasses outdoors to reduce light sensitivity. Use artificial tears to relieve dryness. Risks of Improper Contact Lens Use Using lenses incorrectly or unhygienically can cause: Dry eyes: From prolonged wear or low tear production. Allergic reactions: From lens materials or cleaning agents. Conjunctivitis (Eye inflammation): Often from allergies or bacteria. Corneal abrasions or ulcers: Caused by dryness, poor hygiene, or tight lenses. Corneal hypoxia: Oxygen deprivation due to extended wear, leading to swelling or infection. Microbial keratitis: Bacterial infection causing redness, pain, and blurred vision—often from sleeping in lenses. Summary Contact lenses offer a convenient and effective way to correct vision and enhance appearance, with various types such as daily, monthly, and color lenses. However, improper use and poor hygiene can lead to eye infections, dryness, and inflammation. Always clean lenses properly, replace solutions regularly, and consult an ophthalmologist if you experience discomfort or redness. For safe eye care and expert consultation, visit Bangkok Eye Hospital, where our specialists can help ensure your eyes remain healthy and protected. Frequently Asked Questions (FAQ) 1. Is it safe to wear contact lenses for more than 8 hours?It’s best not to wear contact lenses longer than 8–9 hours a day. Extended wear can cause dryness, irritation, and inflammation. Use artificial tears to keep eyes moist if wearing them for longer periods. 2. Do contact lenses thin the cornea?Wearing lenses doesn’t directly affect corneal thickness. However, prolonged use may cause dryness or irritation. Stopping use allows eyes to recover moisture, but corneal thickness remains unchanged. 3. What happens if I sleep with my contact lenses on?Sleeping in lenses limits oxygen flow to the cornea, especially when eyelids are closed. This increases the risk of redness, irritation, and infection. Always remove lenses before sleeping unless specifically prescribed for overnight wear.

What Is Astigmatism? Astigmatism is a common refractive error that affects how your eye focuses light. Unlike perfect vision, where light enters the eye and focuses evenly on the retina, astigmatism occurs when the cornea or lens is irregularly shaped. This irregular curvature causes light to scatter unevenly, leading to blurred or distorted vision at all distances. Astigmatism often occurs in combination with myopia (nearsightedness) or hyperopia (farsightedness) and can vary in degree. While it is not a disease, it can significantly impact daily activities such as reading, driving, and using digital devices if left uncorrected. What Causes Astigmatism? The primary cause of astigmatism is the abnormal shape of the cornea or lens. A healthy cornea has a smooth, spherical curve like a basketball. In astigmatism, the cornea is shaped more like a rugby ball—steeper in one direction and flatter in another—resulting in uneven refraction of light. Contributing factors include: Genetics: Astigmatism often runs in families and can be present from birth. Eye injuries or surgeries: Trauma or surgical procedures can alter the corneal shape. Keratoconus: A progressive condition that thins and bulges the cornea. Eyelid pressure: Chronic pressure on the cornea, such as from sleeping habits or frequent eye rubbing. Symptoms of Astigmatism People with mild astigmatism may not notice symptoms. As the condition progresses, the following signs may appear: Blurry or distorted vision at near and far distances Eyestrain or discomfort after reading or screen time Headaches, particularly in the forehead or brow area Squinting to see clearly Difficulty seeing at night Astigmatism can affect one or both eyes and may be symmetrical or more pronounced in one eye. Types of Astigmatism Corneal Astigmatism Caused by an irregular curvature of the cornea, which affects how light enters the eye. Lenticular Astigmatism Results from imperfections in the shape of the eye’s lens rather than the cornea. Regular vs. Irregular Astigmatism Regular: The principal meridians are perpendicular; most common and correctable with glasses or contact lenses. Irregular: Often due to injury or keratoconus and may require specialty lenses or surgical correction. Diagnosing Astigmatism at Bangkok Eye Hospital At Bangkok Eye Hospital, we offer precise and comprehensive diagnostic services to determine the presence and severity of astigmatism. These include: Visual acuity tests to measure clarity of vision Refraction testing to determine the corrective lens power needed Keratometry to measure the curvature of the cornea Corneal topography to create a detailed map of corneal shape Wavefront analysis for surgical planning These evaluations are essential before recommending glasses, contact lenses, or refractive surgery like LASIK. Treatment Options for Astigmatism Astigmatism can be effectively corrected with various methods, depending on the degree and type of refractive error: Eyeglasses The simplest and most common form of correction Use cylindrical lenses to compensate for uneven refraction Available in single vision or progressive lens designs Contact Lenses Toric contact lenses designed specifically for astigmatism Provide more natural vision correction by sitting directly on the cornea Available in soft, rigid gas permeable (RGP), or hybrid lens options Orthokeratology (Ortho-K) Special rigid lenses worn overnight to temporarily reshape the cornea Ideal for low to moderate astigmatism LASIK Surgery A popular long-term solution that reshapes the cornea using a laser Particularly effective for regular corneal astigmatism Fast recovery and minimal discomfort Learn more: LASIK for Astigmatism: What You Need to Know PRK (Photorefractive Keratectomy) An alternative for those with thin corneas or who are not LASIK candidates Reshapes the cornea without creating a flap Refractive Lens Exchange (RLE) Suitable for patients over 40 with significant astigmatism and presbyopia Replaces the eye’s natural lens with an artificial intraocular lens (IOL) Can Astigmatism Be Cured? While glasses and contact lenses offer temporary correction, refractive surgery such as LASIK or PRK provides permanent reshaping of the cornea. However, changes in eye shape may occur over time, and regular follow-ups are recommended to maintain optimal vision. Related Services at Bangkok Eye Hospital To ensure complete and individualized care for patients with astigmatism, we offer: Refractive Surgery CenterIncludes LASIK, PRK, and advanced imaging for surgical planning Comprehensive Eye ExamsDetect and monitor astigmatism and other vision problems Corneal Topography and Wavefront AnalysisFor precise diagnosis and custom treatment Contact Lens ClinicExpert fitting for toric lenses and specialty contacts Dry Eye and Ocular Surface ClinicAssists patients whose astigmatism affects or is affected by dry eye Frequently Asked Questions (FAQs) Is astigmatism genetic?Yes, it often runs in families and can be present from birth. Can astigmatism worsen over time?It can change slightly with age, eye strain, or other eye conditions. Regular checkups are recommended. Is LASIK safe for astigmatism?Yes. LASIK is considered safe and effective for correcting most types of regular astigmatism when performed by experienced surgeons. Can children have astigmatism?Yes. Early screening is important, especially if they exhibit symptoms like squinting or poor academic performance.   Do all contact lenses correct astigmatism?No. Only toric lenses or RGP lenses are designed for astigmatism. A professional fitting is essential.

It’s no secret that LASIK is a game-changer for anyone dealing with vision problems—whether nearsightedness, farsightedness, astigmatism, or a mix of these. By correcting your vision back to normal, LASIK allows you to see the world clearly without the hassle of glasses or contact lenses, making everyday life significantly easier and more convenient. But the big question is: Where should you go for LASIK? Now that 2024 is behind us, let’s look at how to choose a safe, top-standard LASIK hospital for 2025. We’ve also included a checklist of the latest techniques to help you decide which method is best for you. By correcting your vision back to normal, LASIK allows you to see the world clearly without the hassle of glasses or contact lenses, making everyday life significantly easier. What is LASIK? LASIK (Laser In Situ Keratomileusis) is a refractive surgery that uses an Excimer Laser to reshape the curvature of the cornea. Whether you have nearsightedness, congenital farsightedness, or astigmatism, the laser precisely adjusts the cornea so that light focuses perfectly on the retina. The result is clear, natural vision at various distances. Today, there are many advanced techniques available at Bangkok Eye Hospital, including: SMILE Pro: The most advanced technology available today. NanoRelex: An innovative, minimally invasive, bladeless surgery. FemtoLASIK: Bladeless LASIK for high precision. Nano NV LASIK and NV LASIK: Solutions for age-related farsightedness (Presbyopia). TransPRK & PRK: Surface-based procedures for specific eye conditions. Which LASIK Technique is Right for You? Choosing the right technique depends on your specific vision problem. Here is a breakdown of the options available at Laser Vision International LASIK Center, Bangkok Eye Hospital: 1. NanoRelex (For Nearsightedness & Astigmatism) NanoRelex is a high-level innovation in minimally invasive surgery. Using high-precision Femtosecond Laser technology, it calculates a 3D disc of tissue (Lenticule) within the cornea based on your prescription and removes it through a tiny incision of just 2–3 millimeters. Why choose it: It uses low-energy (Nanojoule) lasers, causing less trauma to the eye and allowing for faster recovery. The tiny incision minimizes dry eye symptoms and maintains the cornea's natural strength. Learn More About NanoRelex at Bangkok Eye Hospital 2. SMILE Pro (For Nearsightedness & Astigmatism) SMILE Pro is the most modern vision correction technology, powered by the Visumax 800. It works 3 times faster than older models, taking only 8–10 seconds per eye. Why choose it: Like NanoRelex, it removes the lenticule through a tiny 2–4 mm incision. The speed and precision mean fewer complications, rapid healing, and a very quick return to normal activities. Learn More About SMILE Pro 3. ReLEx SMILE (For Nearsightedness & Astigmatism) ReLEx SMILE is the innovation that shifted the industry from blades to lasers. Developed from traditional LASIK, it offers a "keyhole" surgery experience that is painless, involves a small incision, and reduces complications associated with older methods. 4. NanoLASIK (For Nearsightedness, Farsightedness & Astigmatism) NanoLASIK is a step up from FemtoLASIK. It uses a high-speed, low-energy Femtosecond Laser for every step of the corneal layer separation. Why choose it: It is completely bladeless, ensuring no pain or discomfort while offering maximum precision. Laser Vision International LASIK Center was the first private center in Thailand to successfully use this technology. Learn More About NanoLASIK 5. Nano NV LASIK (For Farsightedness Only) Nano NV LASIK is a development from FemtoLASIK designed specifically for hyperopia. Using Nanojoule-level energy, it separates corneal layers without a blade. Why choose it: Patients feel no pain, and it is considered one of the safest methods for correcting farsightedness. 6. FemtoLASIK (For All Vision Types) Often called "Bladeless LASIK," this method uses a Femtosecond Laser to create the corneal flap instead of a blade, followed by an Excimer Laser reshape. Why choose it: The laser pulses are incredibly fast (1 femtosecond = 1 quadrillionth of a second), ensuring high precision without damaging surrounding tissue. Learn More About FemtoLASIK 7. NV LASIK (For Age-Related Farsightedness) NV LASIK (Near Vision LASIK) treats presbyopia using a "Blended Vision" principle. How it works: The doctor adjusts one eye for distance and the other slightly for near vision. Your brain processes both images, allowing you to see both near and far without reading glasses. 8. LASIK (Standard) The classic method using a Microkeratome to create the corneal flap. The flap is lifted, the laser reshapes the cornea, and the flap is replaced to act as a natural bandage. 9. TransPRK (For All Vision Types) A "No-Touch" evolution of the PRK method. The Excimer Laser removes the surface layer and reshapes the cornea in a single step. Why choose it: No instruments touch your eye, reducing irritation and speeding up healing compared to traditional PRK. 10. PRK (For Thin Corneas) The original laser surgery where the outer corneal layer is gently removed before laser application. Why choose it: Ideal for patients with thin corneas or dry eyes who are not candidates for LASIK. How to Choose a LASIK Hospital in 2025 Your eyes are irreplaceable. To ensure safety and the best results, use this checklist before choosing a hospital: Licensing & Standards: Ensure the hospital has a valid medical license and meets international safety standards. Cleanliness: Infection control is critical. The facility must be spotless and strictly regulated. Specialist Surgeons: Choose a doctor who specializes specifically in refractive surgery and has performed a high volume of successful cases. Modern Technology: The hospital must have the latest equipment (like the Visumax 800 or Femtosecond lasers) to ensure precision. Variety of Options: A good center offers multiple techniques (SMILE, LASIK, PRK) so the doctor can choose the one that fits your eyes, not just the one machine they have. Convenient Location: You will need follow-up visits. Choose a place like Bangkok Eye Hospital that is accessible and offers ample parking. Transparent Pricing: Look for clear pricing structures without hidden fees. 2025 LASIK Price List: Bangkok Eye Hospital At Bangkok Eye Hospital, we offer transparent pricing for our world-class services. Treatment Normal Price (THB) NanoRelex 148,000 SMILE Pro 148,000 NanoLASIK 148,000 Nano NV LASIK 148,000 FemtoLASIK 118,000 NV LASIK 88,000 LASIK (Standard) 78,000 TransPRK 78,000 PRK 78,000 Check Latest Promotions Here Additional Details: Pre-op Eye Exam: 3,500 THB. What is included: Service rates are for 2 eyes done on the same day. This includes medication/supplies during surgery, 5 follow-up visits within 1 year for NanoRelex, NanoLASIK, Nano NV LASIK, SMILE Pro, and 3 follow-up visits within 1 month for FemtoLASIK/NV LASIK/TransPRK, PRK. Why Choose Laser Vision International LASIK Center? If you are looking for the best LASIK experience, consult with us at Laser Vision International LASIK Center at Bangkok Eye Hospital. AACI Accredited: We are the first LASIK center in Asia to be accredited by the American Accreditation Commission International (AACI). Experience: Our medical team has over 27 years of experience and has performed over 100,000 successful procedures. Pioneers: Led by Assoc. Prof. Dr. Anun Vongthongsri, the first Thai doctor to introduce bladeless LASIK innovation. Complete Technology: We are the only place in Thailand offering the widest range of options (NanoRelex, NanoLASIK, SMILE Pro) to correct all types of vision problems. Patient Experience Team: We provide a dedicated Patient Experience Executive Team to support both Thai and International patients through every step of the journey. Conclusion When deciding "Where is the best place for LASIK?", prioritize safety, doctor expertise, and technology. Bangkok Eye Hospital offers all of this with international standard certification. Ready to see the world clearly? Consult with the experts at Bangkok Eye Hospital. Contact Us Today

Understanding Diabetic Retinopathy Diabetic retinopathy is a serious eye complication caused by diabetes, leading to progressive damage to the blood vessels in the retina. If left untreated, it can result in vision loss or blindness. At Bangkok Eye Hospital, we specialize in the early detection, management, and treatment of diabetic retinopathy to help preserve vision. Causes and Risk Factors What Causes Diabetic Retinopathy? Diabetic retinopathy develops due to high blood sugar levels damaging the small blood vessels in the retina, causing them to leak or become blocked. Who is at Risk? People with Type 1 or Type 2 Diabetes Long-term Diabetes Patients – Risk increases the longer you have diabetes Uncontrolled Blood Sugar Levels – Poor diabetes management accelerates eye damage High Blood Pressure & High Cholesterol – Contribute to blood vessel damage Pregnant Women with Diabetes – Higher risk during pregnancy Symptoms of Diabetic Retinopathy Blurred or fluctuating vision Dark spots or floaters in vision Difficulty seeing at night Loss of central or peripheral vision Seeing faded colors Sudden vision loss in severe cases Stages of Diabetic Retinopathy Early vs. Advanced Stages Non-Proliferative Diabetic Retinopathy (NPDR) Early stage with mild to moderate retinal blood vessel damage May not cause noticeable vision loss initially Requires regular eye checkups to monitor progression Proliferative Diabetic Retinopathy (PDR) Advanced stage with abnormal new blood vessels forming in the retina High risk of bleeding, scarring, and retinal detachment Can cause severe vision loss or blindness Diagnosis and Treatment Options How is Diabetic Retinopathy Diagnosed? Comprehensive Eye Examination – Includes vision tests and retina evaluation Dilated Eye Exam – Allows a closer look at the retina and blood vessels Optical Coherence Tomography (OCT) – Scans for swelling and fluid buildup Fluorescein Angiography – Identifies leaking or blocked blood vessels Treatment for Diabetic Retinopathy Early-Stage Management Blood Sugar Control – Helps slow disease progression Lifestyle Adjustments – Healthy diet, exercise, and blood pressure management Regular Eye Checkups – Essential for monitoring changes Advanced Treatment Options Laser Therapy (Photocoagulation) – Seals leaking blood vessels and prevents abnormal growth Intravitreal Injections – Medications to reduce swelling and slow disease progression Vitrectomy Surgery – Removes blood and scar tissue in severe cases Prevention and Eye Care Tips How to Reduce the Risk of Diabetic Retinopathy Maintain stable blood sugar levels Control blood pressure and cholesterol Have annual comprehensive eye exams Quit smoking and limit alcohol consumption Follow a diabetes-friendly diet and stay active Why Choose Bangkok Eye Hospital for Diabetic Retinopathy Treatment? Experienced Retina Specialists – Experts in diagnosing and treating diabetic retinopathy State-of-the-Art Diagnostic Tools – Early detection with advanced imaging technology Personalized Treatment Plans – Tailored to your specific condition and lifestyle Comprehensive Diabetes Eye Care – Full support for long-term eye health management Schedule an Eye Screening Today Protect your vision with early detection and expert care. Book a consultation with our diabetic retinopathy specialists at Bangkok Eye Hospital today.