Double vision is a condition in which a single object appears as two images simultaneously. It can result from abnormalities of the eyes, eye muscles, lenses, or certain parts of the nervous system. The causes of double vision may involve dysfunction of the eye muscles, eye lenses, optic nerves, or the brain. Treatment depends on the underlying cause and may include corrective glasses, eye muscle exercises, treatment of the primary disease, or surgery in some cases, as advised by a physician. Double vision (Diplopia) is a visual problem that occurs when images from both eyes fail to merge properly, causing objects to appear duplicated. This condition can interfere with daily activities such as reading, driving, and walking, and may compromise safety. Understanding the causes and undergoing early diagnosis can lead to more accurate and effective treatment.     What Is Double Vision? Double vision, or diplopia, refers to seeing one object as two. This condition can be highly disruptive to daily life, affecting activities such as driving, reading, and even walking, and may cause dizziness or balance problems.   Double vision can be classified into two main types:   Monocular DiplopiaDouble vision persists even when the unaffected eye is closed, indicating that the problem originates within one eye. Binocular DiplopiaDouble vision disappears when either eye is closed, suggesting that the issue arises from misalignment or coordination problems between both eyes.     Causes of Double Vision Double vision does not have a single cause and may result from various factors, depending on the type and characteristics of the symptom.   Causes of Monocular Diplopia This type is usually caused by structural problems within the eye itself, such as the cornea, lens, or retina, and is typically not related to eye muscles or nerves controlling eye movement.   Cataracts Cataracts occur when the normally clear lens becomes cloudy, causing light to scatter before reaching the retina. This results in blurred or double vision that gradually worsens with age.   Corneal Abnormalities Corneal edema occurs when fluid accumulates in the cornea, causing swelling and cloudiness that impair vision and may lead to double vision. Corneal scars or ulcers caused by infection or injury can alter light refraction and result in double vision. Keratoconus is a condition in which the cornea gradually thins and bulges into a cone shape, causing irregular refraction and visual distortion.   Refractive Errors and Lens Issues Astigmatism occurs when the cornea has an irregular curvature, leading to distorted or duplicated images.   In patients who have undergone cataract surgery, displacement or malfunction of an intraocular lens may also cause double vision.   Causes of Binocular Diplopia Binocular diplopia often indicates more serious problems involving the eye muscles, the nerves controlling eye movement, or the brain, and requires prompt evaluation.   Eye Muscle Disorders Each eye is controlled by six extraocular muscles. Weakness or poor coordination among these muscles can prevent both eyes from moving synchronously.   Examples include: Graves’ DiseaseThis condition causes inflammation and swelling of the eye muscles, leading to abnormal eye movement.   Myasthenia GravisAn autoimmune disorder that causes muscle weakness throughout the body, including the muscles controlling eye movement, resulting in strabismus and double vision.   Optic and Cranial Nerve Disorders Cranial nerves III, IV, and VI control eye movement. Damage to these nerves due to disease or injury can disrupt eye alignment.   Common causes include:   Diabetes, which can damage nerves supplying the eye muscles Multiple Sclerosis (MS), a central nervous system disorder that damages nerve coverings and disrupts nerve signaling Stroke, which may suddenly affect the nerves controlling eye movement and cause acute double vision Brain-Related Causes The brain processes visual signals from both eyes. Any abnormality affecting this process can result in double vision, including:   Brain tumors that compress visual or motor nerves Aneurysms, where bulging blood vessels press on ocular nerves Traumatic brain injury, which may damage areas of the brain responsible for vision     Diagnostic Process for Double Vision Early consultation with an ophthalmologist is essential for accurate diagnosis and appropriate treatment. Diagnostic steps include:   1. Medical History The ophthalmologist will assess symptom onset, frequency, whether double vision resolves when one eye is closed, the direction of image separation (horizontal or vertical), associated symptoms such as headache or dizziness, history of head injury, and underlying medical conditions.   2. Clinical Examinations A comprehensive eye examination is performed, including visual acuity testing, corneal and lens evaluation, and assessment of eye muscle function.   Blood tests may be ordered to detect systemic conditions such as diabetes or thyroid disease.If a neurological cause is suspected, CT scan or MRI imaging may be recommended to evaluate the brain and cranial nerves.     Treatment Approaches for Double Vision Treatment depends on identifying and addressing the underlying cause. Options include:   Treating underlying medical conditions such as diabetes or thyroid disease Prism glasses to help align images in cases of binocular diplopia caused by eye muscle imbalance Botulinum toxin injections to relax overactive eye muscles in certain cases of strabismus Cataract surgery with lens replacement when cataracts are the cause Surgical intervention in selected cases, such as severe strabismus or tumors Precautions and Additional Recommendations In addition to treatment, proper self-care can help prevent symptom worsening and complications.   Do not ignore symptoms, even if they are temporary Control underlying conditions such as diabetes or hypertension Ensure adequate rest and reduce prolonged eye strain when possible     Why Choose Bangkok Eye Hospital for Double Vision Treatment? Bangkok Eye Hospital offers comprehensive eye care supported by advanced technology and experienced specialist ophthalmologists. Services include:   Professional consultation and personalized treatment planning International-standard diagnostic and treatment equipment Comprehensive care from diagnosis through follow-up Summary Double vision can result from various causes, ranging from eye muscle disorders and lens abnormalities to optic nerve and brain-related conditions. Diagnosis involves thorough history-taking, eye examinations, and sometimes blood tests or imaging such as CT or MRI. Treatment depends on the cause and may include vision correction, medication, or surgery. Preventive care, including regular eye rest and avoiding excessive eye strain, is important. Patients experiencing double vision should seek evaluation from specialist ophthalmologists at Bangkok Eye Hospital for accurate diagnosis and effective treatment.   Related Articles What Causes a Retinal Hole? Symptoms and When to See a Doctor Recognizing Macular Edema: Warning Signs You Should Not Ignore Is a Burst Blood Vessel in the Eye Dangerous? Symptoms and Treatment Frequently Asked Questions About Double Vision (FAQ) Why Do I See Double Vision When Using My Phone? This is commonly caused by eye muscle fatigue or astigmatism, which affects focusing accuracy during prolonged screen use. Dry eye and excessive eye strain can also cause temporary double vision. Persistent or worsening symptoms should be evaluated by an ophthalmologist.   Is Double Vision Dangerous? Double vision may be harmless if caused by temporary eye strain, but frequent or sudden onset—especially with symptoms such as headache, dizziness, or after head injury—may indicate serious conditions involving the eyes, nerves, or brain and requires immediate medical evaluation.   What Causes Double Vision at Distance? Double vision when viewing distant objects is often related to eye muscle imbalance, lens abnormalities, or displacement of an intraocular lens. In some cases, neurological or brain-related issues may be involved. A comprehensive eye examination is recommended to determine the exact cause.

A retinal tear is a condition in which a small tear or hole develops in the retina, allowing fluid to accumulate beneath it and increasing the risk of retinal detachment. Retinal tears commonly occur due to shrinkage or incomplete separation of the vitreous gel, which pulls on the retina. Additional risk factors include severe nearsightedness, a family history of retinal detachment, and eye trauma. Treatment options for retinal tears include non-surgical methods such as laser photocoagulation, cryotherapy, or gas injection, as well as surgical procedures like vitrectomy to seal the tear and safely restore vision. Our eyes function much like a camera, with the retina acting as the film that captures images. When the film is damaged, the image becomes unclear. One eye condition that many people may not immediately recognize—but carries significant risk—is a retinal tear. If left untreated, it can lead to permanent vision loss. Understanding its causes, symptoms, treatment options, and preventive measures is essential for protecting long-term eye health.     What Is a Retinal Tear? A retinal tear occurs when the thin layer of nerve tissue inside the eye that receives visual images and sends signals to the brain develops a tear or opening. A key factor in this condition is the vitreous gel, which lies between the lens and the retina. In younger individuals, the vitreous is clear and stable, but with age it gradually becomes more liquid and degenerates. Sudden eye movements or traction can cause the vitreous to pull on the retina, leading to a tear or rupture. This can result in visual disturbances and interfere with daily life.     Causes and Risk Factors of Retinal Tears Retinal tears often begin with subtle abnormalities. Common causes and risk factors include:   People with high myopia, especially those who have been nearsighted since childhood, tend to have thinner and more stretched retinal structures, making tears more likely. A family history of retinal detachment or retinal tears increases genetic risk, as some individuals inherit fragile retinal tissue or weaker eye structures. Previous eye surgeries, such as cataract surgery, may alter internal eye structures or vitreous movement, increasing the risk of retinal tears or detachment. Systemic conditions like diabetes can weaken retinal blood vessels, while inflammation, infection, or tumors inside the eye can compromise surrounding tissues and lead to tearing. Severe eye trauma from accidents, sports injuries, or blunt force can cause immediate retinal tears, especially in individuals with existing risk factors. Age-related vitreous degeneration causes the gel to shrink and separate from the retina. If certain areas remain firmly attached, traction during shrinkage may result in a retinal tear.   Symptoms of a Retinal Tear: Warning Signs That Require Immediate Medical Attention Is a retinal tear dangerous? Yes—it is considered a serious condition. Early recognition of symptoms can significantly reduce the risk of vision loss.   Flashes of light, especially when moving the eyes Floating spots or lines (floaters) in the field of vision Distorted or blurred vision in part of the visual field A shadow or dark curtain blocking part of the vision Sudden vision loss if the tear progresses to retinal detachment     How Is a Retinal Tear Diagnosed? A retinal tear cannot be seen with the naked eye and may present symptoms similar to other eye conditions. Ophthalmologists rely on specialized diagnostic tools such as ophthalmoscopes with high magnification and illumination, slit-lamp microscopes with special contact lenses, and ultrasound imaging in cases with intraocular bleeding. These methods allow accurate diagnosis and timely treatment planning.   Non-Surgical Treatment Options for Retinal Tears If the retinal tear is mild and has not yet caused retinal detachment, non-surgical treatment may be sufficient:   Laser Photocoagulation Laser treatment seals the retinal tear to prevent fluid from entering beneath the retina. It is minimally invasive, low-risk, and allows patients to return home the same day without recovery time. Cryotherapy (Cryopexy) This method uses controlled freezing to seal the retinal tear, similar in purpose to laser treatment. Pneumatic Retinopexy A gas or air bubble is injected into the eye to press the retina back into place and prevent fluid accumulation. This technique is often combined with laser or cryotherapy, depending on the physician’s assessment. Surgical Treatment for Retinal Tears Surgery is required when retinal tears are severe or have progressed to retinal detachment. Two primary surgical methods include:   Scleral Buckling A supportive material is placed around the outside of the eye to push the retina back against the eye wall. Laser or cryotherapy may be used in combination to seal the tear. Vitrectomy A minimally invasive procedure using small instruments inserted into the eye to remove the vitreous gel and repair the retina. This technique involves smaller incisions, less irritation, and faster recovery. How Dangerous Is a Retinal Tear? The most serious complication of a retinal tear is retinal detachment. When a tear develops, fluid from inside the eye can seep beneath the retina, gradually pushing it away from the underlying tissue that supplies oxygen and nutrients. Once detached, the retina loses its blood supply, causing retinal cells to die rapidly. Without prompt treatment, this can result in permanent vision loss. Treating a retinal tear early is therefore critical in preventing retinal detachment.     How to Prevent Retinal Tears Although some risk factors such as age and genetics cannot be controlled, the risk of retinal tears can be reduced through early detection and preventive care:   Regular eye examinations, especially for individuals with high myopia, older adults, or those with diabetes Avoiding eye trauma and high-impact activities Managing chronic conditions such as diabetes and high blood pressure Reducing excessive eye strain and resting the eyes when symptoms occur Monitoring warning signs such as floaters, flashes, or visual distortion and seeking immediate medical care Following ophthalmologist recommendations, including preventive laser treatment for high-risk patients Why Choose the Retinal Center at Bangkok Eye Hospital? Bangkok Eye Hospital is dedicated to providing comprehensive care for retinal tears through advanced technology and experienced retinal specialists. Patients receive thorough eye and retinal examinations for accurate diagnosis and personalized treatment planning.   Treatment options include laser therapy, cryotherapy, and vitrectomy surgery, ensuring safe and effective outcomes. Treatment costs vary depending on severity and the number of procedures required. After treatment, patients receive close follow-up care, vision rehabilitation, and personalized self-care guidance to ensure comfort and optimal recovery throughout the treatment journey.   Summary A retinal tear occurs when the retina develops a tear or opening, allowing fluid to accumulate and increasing the risk of retinal detachment. Individuals with high myopia, advanced age, or a family history of retinal disease are at higher risk. Common symptoms include floaters, flashes of light, and distorted vision. Without prompt treatment, permanent vision loss may occur.   Prevention includes regular eye exams, avoiding eye trauma, and maintaining overall health. For those experiencing symptoms or seeking early screening, consultation and treatment are available at Bangkok Eye Hospital.   Frequently Asked Questions (FAQ) Can a retinal tear heal on its own? No. Retinal tears do not heal naturally. Without treatment, fluid may accumulate beneath the retina, leading to retinal detachment and permanent vision loss. Immediate evaluation by an ophthalmologist is essential.   Is treatment for a retinal tear painful? Laser or cryotherapy treatments are usually performed in an examination room, take only a short time, and cause minimal or no pain due to the use of local anesthetic eye drops.   Does everyone with a retinal tear need surgery? Not always. If the tear is detected early and there is no retinal detachment, laser or cryotherapy treatment may be sufficient. Surgery is required only when retinal detachment has already occurred.

What is Retina Checkup?   The retina is the delicate layer at the back of your eye that captures light and sends visual signals to your brain.   A Retina Checkup is a detailed examination designed to detect early signs of retinal diseases such as diabetic retinopathy, macular degeneration, retinal tears, or detachment — conditions that can cause permanent vision loss if not diagnosed in time.   This comprehensive screening uses advanced imaging and diagnostic tools to assess your retina’s condition and ensure your long-term visual health. Why Choose Us for Retina Checkup and Treatment?   Our Retina Center combines specialist expertise with the latest diagnostic technology to deliver precise, reliable results. Each checkup is performed by an experienced retina specialist, supported by internationally recognized equipment such as Optical Coherence Tomography (OCT) and high-resolution Fundus Photography.   Patients choose us because every step — from initial visual tests to specialist consultation — happens in one comfortable visit, handled by a multilingual team that ensures clear communication and smooth coordination for both local and international patients. Tests and Examinations Included:  Your retina check-up requires pupil dilation, which may cause blurred vision and light sensitivity for several hours. Please allow 3–4 hours for the entire visit. We recommend that you bring sunglasses and arrange for someone to drive you home, as you should not drive after dilation.   Your Retina Checkup covers all key assessments to give a complete picture of your eye health:   ✅ Visual Acuity Test – Measures how clearly you can see at different distances to detect any decrease in visual sharpness.   ✅ Computer Autorefractometer – Automatically measures your eye’s refractive error to identify nearsightedness, farsightedness, or astigmatism.   ✅ Manifest Refraction by Refractionist – Provides a refined, manual test to confirm your exact visual prescription.   ✅ Automatic Tonometer – Measures eye pressure to screen for glaucoma and other pressure-related eye risks.   ✅ Dilating Eye Examination – Eye drops are used to widen your pupils, allowing the specialist to examine the retina and optic nerve in detail.   ✅ Optical Coherence Tomography (OCT – Retina) – A non-invasive scan that creates detailed cross-sectional images of your retina, detecting early signs of macular degeneration, diabetic changes, or fluid build-up.   ✅ Fundus Photography – Captures a high-resolution color image of the retina, macula, and optic nerve for precise diagnosis and long-term monitoring.   ✅ Slit Lamp Examination & Consultation by Retina Specialist – A high-magnification examination conducted by a retina specialist who reviews all results and provides a personalized medical evaluation and advice.   Regular Price (International): 7,800 THB Special Promotion Price: 3,900 THB *Valid until 30 November 2025   Protect your sight with an early, complete retina assessment — now available at half the regular price. Terms and Conditions   ℹ️ Promotion valid until 30 November 2025 only. ℹ️ Advance booking is required. ℹ️ Package includes all listed examinations and consultation. ℹ️ Additional treatment or medication, if required, will be charged separately. ℹ️ Cannot be combined with other discounts, vouchers, or insurance programs. How to Book: For more information on Retina Checkup, please call 02-511-2111 or add Line @bangkokeyehospital.

Understanding Eye Twitching Eye twitching, or myokymia, refers to the involuntary, repetitive movement of the eyelid muscles. While usually harmless, persistent twitching can be bothersome and sometimes indicate an underlying issue. At Bangkok Eye Hospital, we provide expert guidance to help manage and prevent eye twitching effectively. Causes of Eye Twitching What Triggers Eye Twitching? Fatigue and Lack of Sleep – Insufficient rest can strain the eye muscles, leading to twitching. Caffeine and Alcohol Consumption – Excessive intake can overstimulate the nervous system. Stress and Anxiety – High stress levels may cause muscle spasms, including eye twitching. Eye Strain – Prolonged screen time or reading in poor lighting can contribute to twitching. Dry Eyes – Insufficient tear production can irritate the eye muscles, causing spasms. Nutritional Deficiencies – Lack of magnesium or other essential minerals may lead to muscle contractions. Neurological Conditions (Rare Cases) – Chronic twitching may be linked to conditions like blepharospasm or Bell’s palsy. Symptoms of Eye Twitching Mild, repetitive eyelid spasms that come and go. Uncontrollable twitching lasting for a few seconds to minutes. Increased frequency with stress, fatigue, or caffeine intake. Twitching in one or both eyes (though usually in one eye). When to Seek Medical Attention Persistent twitching lasting for weeks. Spasms affecting the entire face. Redness, swelling, or discharge in the affected eye. Drooping eyelid (ptosis) or difficulty keeping the eye open. Changes in vision associated with twitching. Prevention and Treatment of Eye Twitching How to Reduce Eye Twitching Get Enough Sleep – Aim for at least 7-8 hours per night. Limit Caffeine and Alcohol – Reduce intake to avoid overstimulation. Manage Stress – Practice relaxation techniques like meditation or yoga. Reduce Screen Time – Take breaks from digital devices to prevent eye strain. Stay Hydrated and Eat a Balanced Diet – Ensure proper intake of magnesium and essential nutrients. Use Artificial Tears – Lubricating eye drops help relieve dryness and irritation. Avoid Eye Rubbing – Prevents irritation and reduces muscle fatigue. Why Choose Bangkok Eye Hospital for Eye Care? Expert Ophthalmologists with extensive experience in diagnosing eye conditions. Advanced Eye Care Technology to assess and treat persistent twitching. Personalized Treatment Plans based on individual eye health needs. Comprehensive Eye Examinations to detect underlying causes. Schedule a Consultation If you are experiencing frequent or prolonged eye twitching, visit Bangkok Eye Hospital for expert diagnosis and personalized treatment options.

Understanding Subconjunctival Hemorrhage Subconjunctival hemorrhage occurs when small blood vessels break under the conjunctiva, causing a red patch on the eye. While it may look alarming, it is usually harmless and resolves on its own. At Bangkok Eye Hospital, we provide expert evaluation and care to ensure proper eye health and recovery. Causes of Subconjunctival Hemorrhage What Triggers a Broken Blood Vessel in the Eye? Sudden Pressure Changes – Coughing, sneezing, or heavy lifting can rupture small blood vessels. Eye Trauma – Rubbing the eyes forcefully or an accidental injury can lead to hemorrhage. High Blood Pressure – Increased pressure can weaken blood vessels, making them more prone to breaking. Medications – Blood thinners such as aspirin or warfarin can contribute to bleeding. Medical Conditions – Diabetes, clotting disorders, and infections may increase the risk. Symptoms of Subconjunctival Hemorrhage Bright red patch on the white part of the eye. No pain or vision impairment. Mild eye irritation or scratchy sensation. Gradual fading of the red patch over 1-2 weeks. Diagnosing Subconjunctival Hemorrhage How Is It Identified? Physical Eye Examination – An ophthalmologist assesses the extent of bleeding. Blood Pressure Check – High blood pressure is a common underlying cause. Blood Tests (if needed) – Evaluates clotting disorders in recurrent cases. Treatment for Subconjunctival Hemorrhage How Is It Managed? Observation – Most cases heal naturally within two weeks without treatment. Artificial Tears – Helps relieve mild irritation or dryness. Avoiding Eye Rubbing – Prevents further irritation and bleeding. Managing Underlying Conditions – Controlling blood pressure and adjusting medications if needed. Preventing Subconjunctival Hemorrhage Maintain stable blood pressure through a healthy lifestyle. Be gentle with your eyes to avoid trauma or irritation. Limit use of blood-thinning medications if advised by a doctor. Treat underlying health conditions that may affect blood vessels. Wear protective eyewear to prevent accidental eye injuries. Why Choose Bangkok Eye Hospital for Eye Health Care? Expert Ophthalmologists experienced in diagnosing and managing eye conditions. Comprehensive Eye Examinations to assess overall eye health. State-of-the-Art Facilities for advanced eye care. Personalized Treatment Plans to address individual needs. Schedule an Appointment Today If you experience recurrent subconjunctival hemorrhages or have concerns about your eye health, contact Bangkok Eye Hospital for professional care and guidance.

Understanding Central Serous Chorioretinopathy (CSC) Central serous chorioretinopathy (CSC) is an eye condition where fluid builds up under the retina, leading to vision distortion and blurriness. It commonly affects middle-aged adults and can resolve on its own, but some cases require medical intervention. At Bangkok Eye Hospital, we offer specialized care to manage CSC effectively and preserve vision. Causes of Central Serous Chorioretinopathy What Triggers CSC? Stress and High Cortisol Levels – Increased stress hormones can weaken the retina. Steroid Use – Medications like corticosteroids can contribute to CSC. Hypertension and Cardiovascular Conditions – May impact blood flow to the retina. Sleep Disorders – Conditions like sleep apnea have been linked to CSC. Genetic Predisposition – Family history can increase susceptibility. Symptoms of Central Serous Chorioretinopathy Blurred or distorted central vision. Dark or gray spots in vision. Straight lines appearing wavy (metamorphopsia). Reduced color perception or contrast sensitivity. Sensitivity to bright light. Diagnosing Central Serous Chorioretinopathy How Is CSC Identified? Comprehensive Eye Examination – Evaluates vision abnormalities. Optical Coherence Tomography (OCT) – Produces detailed images of retinal fluid buildup. Fluorescein Angiography (FA) – Uses dye to highlight leakage in retinal blood vessels. Fundus Autofluorescence (FAF) – Detects changes in the retinal pigment epithelium. Treatment for Central Serous Chorioretinopathy How Is CSC Managed? Observation – Mild cases often resolve within a few months without treatment. Lifestyle Modifications – Stress management and stopping steroid use may help. Laser Therapy – Seals leaking blood vessels to speed up recovery. Photodynamic Therapy (PDT) – Reduces fluid leakage in chronic cases. Oral Medications – Used in select cases to regulate retinal fluid. Preventing Central Serous Chorioretinopathy Manage stress levels with relaxation techniques. Avoid unnecessary steroid use unless prescribed by a doctor. Maintain good cardiovascular health to support eye circulation. Get regular eye checkups if at risk for CSC. Protect your eyes from excessive screen exposure to reduce strain. Why Choose Bangkok Eye Hospital for CSC Treatment? Specialized Retinal Care from experienced ophthalmologists. Advanced Diagnostic Technology for accurate assessment. Personalized Treatment Plans tailored to each patient. Comprehensive Eye Health Management to prevent complications. Schedule an Appointment Today If you're experiencing symptoms of CSC, early diagnosis is key. Contact Bangkok Eye Hospital for expert evaluation and treatment.