What Are Droopy Eyelids? Droopy eyelids—medically known as ptosis—occur when the upper eyelid sags lower than normal. It may affect one or both eyes and range from mild to severe, sometimes covering part of the pupil and impairing vision. While ptosis can occur at any age, it is especially common as people grow older due to muscle weakening and changes in eyelid structure. Beyond its impact on vision, droopy eyelids can also affect appearance and self-confidence. Common Causes of Ptosis Age-Related Ptosis The most common cause of droopy eyelids is the natural aging process. Over time, the levator muscle—responsible for lifting the eyelid—can stretch or weaken, leading to a sagging eyelid. Congenital Ptosis Some individuals are born with droopy eyelids due to underdeveloped or dysfunctional levator muscles. This type of ptosis often becomes more noticeable during childhood and can affect eye development and alignment if left untreated. Neurological and Muscular Causes Nerve damage (e.g., third cranial nerve palsy) Myasthenia gravis, an autoimmune condition that affects muscle strength Horner’s syndrome, a neurological disorder affecting facial muscles Stroke or trauma to the brain Mechanical or Structural Ptosis This occurs when excess skin or fatty tissue weighs down the eyelid. It can also be caused by: Eyelid tumors Swelling or scarring from past surgeries Long-term contact lens use (especially hard lenses) Traumatic Ptosis Injury to the eyelid or surrounding muscles can damage the lifting mechanism of the eyelid, leading to acquired ptosis. Symptoms and Complications While the most visible symptom is a visibly drooping eyelid, ptosis can cause a range of other issues: Obstructed or narrowed field of vision Eye strain or fatigue, especially when trying to keep the eyes open Headache from compensatory brow-lifting Asymmetrical appearance of the eyes or face Impaired reading or driving ability Dry or irritated eyes due to incomplete blinking In children, uncorrected ptosis can result in amblyopia (lazy eye) or poor visual development. Diagnosis and Evaluation at Bangkok Eye Hospital Proper diagnosis is essential to determine the underlying cause of ptosis and decide the best treatment plan. At Bangkok Eye Hospital, our ophthalmologists and oculoplastic specialists perform comprehensive evaluations that may include: Visual acuity test Slit-lamp examination Eyelid position measurement Levator function testing Visual field testing (especially for moderate to severe ptosis) Neurological examination if nerve or muscle involvement is suspected If necessary, imaging such as MRI or CT scans may be used to rule out deeper causes such as tumors or nerve compression. Treatment Options for Droopy Eyelids Surgical Correction Surgery is the most effective and long-term solution for moderate to severe ptosis, especially when vision is affected or the cosmetic impact is significant. Types of Eyelid Surgery Offered: Levator Advancement or ResectionTightens or shortens the levator muscle to improve eyelid lift. Most common approach for age-related and acquired ptosis. Frontalis Suspension SurgeryConnects the eyelid to the forehead muscle (frontalis) using a sling, allowing patients to use their forehead to lift the eyelid. Often used in congenital ptosis with poor levator function. BlepharoplastyRemoves excess skin and fat from the upper eyelids, often performed alongside ptosis repair to enhance both vision and appearance. Nonsurgical Approaches While surgery is often necessary, some mild cases or patients with specific health concerns may benefit from alternative treatments: Ptosis crutch – A small device attached to glasses to mechanically lift the eyelid. Botulinum toxin (Botox) – Can be used in certain cases to balance eyelid function or treat underlying muscle imbalance. Treating the underlying condition – For example, in cases related to myasthenia gravis or nerve disorders, managing the root cause may improve ptosis symptoms. Recovery and Post-Surgical Care Surgery for ptosis is typically an outpatient procedure performed under local anesthesia with sedation. Recovery is generally quick, and patients can resume daily activities within a few days. Postoperative care includes: Use of antibiotic and anti-inflammatory eye drops Cold compresses to reduce swelling Avoiding strenuous activities or rubbing the eyes for several days Follow-up visits to monitor healing and eyelid function In most cases, both vision and cosmetic appearance are significantly improved after surgery. Related Services at Bangkok Eye Hospital We offer a full spectrum of services tailored for patients with ptosis and other eyelid disorders: Oculoplastic Surgery ClinicSpecialized in cosmetic and reconstructive eyelid surgeries performed by certified ophthalmic plastic surgeons. Facial Aesthetic Eye ServicesCombines medical and aesthetic techniques to restore eyelid function while improving appearance. Children’s Eye CenterFor diagnosis and management of congenital ptosis in pediatric patients. Visual Field Testing CenterTo assess visual impairment related to eyelid drooping. Comprehensive Eye Examination ClinicIdeal for aging adults to screen for common age-related eye conditions, including ptosis and cataracts. Frequently Asked Questions (FAQs) Is droopy eyelid surgery covered by insurance?Yes, if the condition affects your vision or daily function. Bangkok Eye Hospital can assist with the medical documentation required for insurance claims. Is ptosis surgery painful?The surgery is performed under local anesthesia, and most patients report only mild discomfort during recovery, which can be managed with pain relief. Will I have a scar after ptosis surgery?Scarring is minimal and typically hidden in the natural crease of the eyelid. With proper care, it usually becomes barely visible over time. How long is recovery from droopy eyelid surgery?Initial swelling may last 1–2 weeks, but most patients resume normal activities within a few days. Full results are typically seen within 4–6 weeks. Can ptosis come back after surgery?While recurrence is rare, it can happen, especially if the underlying muscle continues to weaken. Follow-up care is essential. Is ptosis only a cosmetic issue?No. While it does affect appearance, moderate to severe ptosis can impair vision, especially in older adults or when both eyes are affected.

Understanding a Red and Swollen Eye on One Side A red and swollen eye on one side can be a distressing symptom, often accompanied by discomfort, visual disturbance, or even pain. While it may seem like a minor irritation at first, such symptoms can signal various underlying conditions—ranging from simple allergies to serious infections or inflammatory eye diseases. Recognizing the cause and receiving the correct treatment is essential to prevent complications and protect your vision. Common Causes of Unilateral Eye Redness and Swelling Allergic Reactions Allergies are a frequent cause of redness and swelling in one eye. Triggers may include pollen, dust, pet dander, or contact with certain eye drops or cosmetics. Allergic conjunctivitis may cause: Itching Tearing Mild swelling Redness in one or both eyes (though sometimes just one) Eye Infections Eye infections are another leading cause and can affect one eye more severely than the other. Types of infections include: Bacterial ConjunctivitisUsually starts in one eye and may spread. Symptoms include yellow or green discharge, redness, and eyelid swelling. Viral ConjunctivitisOften starts in one eye with watery discharge and may follow a respiratory infection. Stye (Hordeolum)An infected oil gland on the eyelid causes a painful, red lump that can lead to localized swelling. Preseptal (Periorbital) CellulitisAn infection of the eyelid and surrounding skin that causes significant swelling, redness, and warmth. Orbital CellulitisA severe, potentially vision-threatening infection behind the eye. Symptoms include painful swelling, fever, difficulty moving the eye, and visual disturbances. Inflammatory Conditions BlepharitisChronic inflammation of the eyelid margin, causing red, swollen, and itchy eyelids. It typically affects both eyes but can begin on one side. Episcleritis or ScleritisThese are inflammatory conditions of the white part of the eye, leading to redness and swelling. Scleritis may cause deep pain and is often associated with autoimmune diseases. Foreign Bodies and Trauma A small object lodged in the eye or trauma to the area can lead to unilateral redness and swelling. This can include: Dust or sand Insect bites near the eye Accidental scratches Post-surgical swelling Contact Lens Complications Improper use or cleaning of contact lenses can lead to irritation or infection in one eye, causing redness, pain, and swelling. Giant papillary conjunctivitis (GPC) may also develop from prolonged lens use. When to See a Doctor If you experience any of the following, seek immediate medical attention: Sudden and severe swelling or pain Vision changes (blurring, double vision, vision loss) Eye movement problems Fever or general malaise Yellow or green discharge Recent trauma to the eye Prompt diagnosis can prevent permanent damage and identify systemic diseases early. Diagnosis at Bangkok Eye Hospital At Bangkok Eye Hospital, our team of board-certified ophthalmologists and oculoplastic surgeons specialize in the diagnosis and treatment of complex eye conditions. The diagnostic process includes: Comprehensive eye examination Slit-lamp biomicroscopy Fluorescein staining to detect corneal abrasions Culture or swab for suspected infections Imaging (e.g., CT scan or ultrasound) in case of suspected orbital cellulitis or trauma Treatment Options for a Red and Swollen Eye Treatment depends on the root cause. Our specialists tailor each treatment plan according to the patient's symptoms and medical history. Medical Management Antibiotics or antiviral eye drops for infections Antihistamines or corticosteroid drops for allergies and inflammation Lubricating eye drops for relief in irritation or dry eyes Oral medications for severe infections or systemic involvement Surgical or Procedural Interventions Incision and drainage of styes or abscesses Foreign body removal under sterile conditions Lacrimal surgery if tear duct blockage is the issue Oculoplastic procedures for recurrent swelling or structural issues Supportive Care Warm or cold compresses to relieve symptoms Proper eyelid hygiene for chronic conditions like blepharitis Adjusting or stopping contact lens use if they’re a contributing factor Preventive Tips to Avoid Recurrence Wash hands before touching your eyes Avoid sharing towels, eye drops, or cosmetics Clean contact lenses properly and avoid extended wear Use protective eyewear during outdoor or hazardous work Schedule regular eye check-ups, especially if you have allergies or chronic eye conditions Related Services at Bangkok Eye Hospital At Bangkok Eye Hospital, we offer a wide range of services tailored to manage and prevent red and swollen eye conditions: General Ophthalmology Clinic: For diagnosis and treatment of eye redness, infections, and inflammation Oculoplastic and Orbital Surgery Clinic: Specialized care for styes, eyelid disorders, and orbital cellulitis Allergy & Dry Eye Clinic: Targeted therapy for patients with recurrent allergic or dry eye conditions Emergency Eye Care Unit: 24/7 services for urgent cases such as trauma or acute infections Imaging & Diagnostic Center: Advanced imaging including OCT, fundus photography, and orbital CT scans Frequently Asked Questions (FAQs) What causes a red and swollen eye only on one side?It may result from infection, allergies, trauma, or inflammation. Accurate diagnosis is key to proper treatment. Is it dangerous to have a red eye for several days?Yes. Prolonged redness can signal underlying issues. If symptoms last more than 48 hours, consult an eye specialist. Can I treat eye swelling at home?Mild swelling due to allergies may improve with cold compresses or antihistamines. Infections or trauma require medical attention. Can children get this condition too?Yes. Children are especially prone to eye infections like conjunctivitis, which may present with unilateral redness and discharge.   How long does it take to heal?Recovery depends on the cause. Mild allergic reactions may clear in a few days, while bacterial infections may require a week or more with proper treatment.