Understanding Darkening of the Lower Eyelid: Causes and Concerns
Darkening of the lower eyelid? My daughter, who is in the sixth grade, has had a complete set of allergies since childhood, affecting her eyes, nose, throat, skin, and respiratory system, with persistent itching in all these areas. She has been under the care of an allergist, and...
Dr. Lin Zhengyi reply Ophthalmology
Hello, Jia Ling. Children with allergies may develop dark circles due to poor blood circulation in the eyelids, and the conjunctiva of the eyeball may sometimes appear brown, which usually does not require treatment. If the inner surface of the eyelid or the conjunctiva becomes d...[Read More] Understanding Darkening of the Lower Eyelid: Causes and Concerns
Effective Treatments for Dry Eye Syndrome: Beyond Artificial Tears
Vision problems I am experiencing stinging in my eyes, tearing, and blurred vision. After an examination, the doctor diagnosed me with dry eye syndrome and prescribed artificial tears and a moisturizing solution, but I still experience stinging and tearing. Are there any better t...
Dr. Lin Zhengyi reply Ophthalmology
Hello! The tear film on the surface of the eye is primarily composed of three layers: the outermost lipid layer, the middle aqueous layer, and the innermost mucin layer. Generally, dry eye syndrome refers to insufficient secretion of the aqueous layer. Tear secretion includes bot...[Read More] Effective Treatments for Dry Eye Syndrome: Beyond Artificial Tears
Understanding Hard Contact Lenses: Common Issues and Care Tips
What are some issues related to rigid gas permeable contact lenses? Hello Dr. Lin... I have been using soft contact lenses for a while now, and it's been almost two years, so I need to switch to rigid gas permeable (RGP) lenses this time. However, when I wear them, I often f...
Dr. Lin Zhengyi reply Ophthalmology
Hello! When wearing contact lenses, discomfort or blurriness may be caused by several factors, such as difficulty adjusting to rigid gas permeable lenses, improper curvature, or incorrect lens care methods. The actual cause can only be determined through a professional examinatio...[Read More] Understanding Hard Contact Lenses: Common Issues and Care Tips
Should You Try Disposable Contacts Before Switching to Daily Wear?
Contact lens issues I have never worn contact lenses before. Should I try wearing disposable lenses first to see if they are suitable for me before switching to long-term wear lenses?
Dr. Lin Zhengyi reply Ophthalmology
Hello! The materials and manufacturing methods of disposable contact lenses are not completely the same as those of regular contact lenses. Therefore, trying disposable contact lenses first before switching to long-term contact lenses may still lead to discomfort. However, it is ...[Read More] Should You Try Disposable Contacts Before Switching to Daily Wear?
Understanding Eyelid Ptosis: Seeking Solutions for Asymmetrical Eyes
Ptosis I have been troubled by this issue for a long time. About ten years ago, I suddenly noticed that one of my eyes appeared larger than the other. It became especially noticeable when I looked in the mirror or took a headshot. Upon a friend's recommendation, I went to a ...
Dr. Lin Zhengyi reply Ophthalmology
Hello, there are many causes of ptosis (drooping eyelids), such as: 1. Congenital ptosis 2. Myasthenia gravis 3. Oculomotor nerve palsy 4. Eyelid tumors causing drooping due to gravity 5. Complications from previous eyelid injuries or surgeries. Based on your complaint of suddenl...[Read More] Understanding Eyelid Ptosis: Seeking Solutions for Asymmetrical Eyes
Can People with High Myopia Use Commercial Eye Massagers?
Can people with high myopia use commercially available eye massagers? Can eyes with approximately 600 degrees of myopia use commercially available eye massagers for daily eye care (such as eye masks designed based on 22 acupuncture points, which provide heat and acupressure)?
Dr. Lin Zhengyi reply Ophthalmology
Hello! The methods for eye care mainly involve avoiding prolonged close-up use of the eyes, allowing sufficient rest time for the eyes. Warm compresses and acupressure can also be done DIY. Using an eye massager is also an option; however, it is unlikely to have any actual effect...[Read More] Can People with High Myopia Use Commercial Eye Massagers?
Post-Cataract Surgery: Common Concerns and Recovery Insights
Post-Cataract Surgery Doctor, my husband had cataract surgery two days ago, and for the past day or two, he seems to be seeing a thin film of water in front of his eyes. Is this a common postoperative phenomenon? If it is normal, how long will this condition take to improve or di...
Dr. Lin Zhengyi reply Ophthalmology
Hello, 1. Most people experience a return to normal and stable vision within two to four weeks after cataract surgery. If you are concerned, you may consult another ophthalmologist to check for any other issues. 2. Yellow intraocular lenses block harmful ultraviolet rays and ...[Read More] Post-Cataract Surgery: Common Concerns and Recovery Insights
Understanding Eye Discomfort: Risks of Contact Lenses and Care Solutions
Blurred Hello doctor, I previously bought bi-weekly contact lenses, but I felt very uncomfortable wearing them. After a short time, I experienced a prickling sensation and my eyes would tear up. However, I still finished using all six pairs before switching. Could this have harme...
Dr. Lin Zhengyi reply Ophthalmology
Hello! If you experience discomfort in your eyes, you should stop wearing contact lenses immediately, as this can lead to corneal injury or bacterial infection. If the cornea becomes compromised, it can affect your vision. After rinsing your contact lenses with a cleaning solutio...[Read More] Understanding Eye Discomfort: Risks of Contact Lenses and Care Solutions
Understanding Blurry Vision: Causes and When to Seek Help
Blurred vision? I often experience blurry vision. It's not extremely severe, but even after sitting in front of the computer for a short time, I feel unclear despite wearing glasses. It feels as if there's a layer of something over my eyes. This situation often occurs w...
Dr. Lin Zhengyi reply Ophthalmology
Hello! Based on your description, the possible conditions are: 1. Diseases of the eye itself, such as dry eye syndrome or chronic conjunctivitis; 2. Issues related to contact lenses, such as accumulation of secretions on the lenses or prolonged use without replacement. I recommen...[Read More] Understanding Blurry Vision: Causes and When to Seek Help
Managing Allergic Conjunctivitis: Symptoms, Treatments, and Eye Care Tips
Allergic conjunctivitis Hello Doctor: I have been experiencing eye issues, and since September of this year, I have had recurrent redness and swelling. After treatment from an ophthalmologist, the redness and swelling improved, but the itching has become worse than before. I have...
Dr. Lin Zhengyi reply Ophthalmology
Hello! The causes of allergic conjunctivitis include: 1. Common causes related to allergic predisposition include humid and warm climates or allergens such as dust mites and pollen. Patients with a history of atopic dermatitis, asthma, or allergic rhinitis are often affected. 2. ...[Read More] Managing Allergic Conjunctivitis: Symptoms, Treatments, and Eye Care Tips
Should You Choose High Oxygen Permeable Contact Lenses?
Rigid Gas Permeable Contact Lenses Hello Doctor: When I went to get contact lenses, they recommended high oxygen permeability contact lenses for me (R800-125, L675-75). Is that a good choice? How much astigmatism can I have before I need to wear toric lenses? Thank you.
Dr. Lin Zhengyi reply Ophthalmology
Hello! The oxygen required by the superficial layer of the cornea primarily comes from the oxygen dissolved in the tear film from the air. Prolonged exposure can slow down the rate of oxygen penetration into the cornea, potentially leading to corneal hypoxia and even keratitis. H...[Read More] Should You Choose High Oxygen Permeable Contact Lenses?
Understanding Chronic Red Eyes: Causes and Solutions for Eye Discomfort
My classmates call me "Rabbit Eyes." Doctor, my eyes have been red for over ten years, filled with blood vessels every day. I have seen many doctors; some said it is chronic conjunctivitis, others said it is caused by wearing contact lenses, and some suggested double ey...
Dr. Lin Zhengyi reply Ophthalmology
Hello! Based on your description, the most likely conditions are chronic conjunctivitis, dry eye syndrome, or trichiasis. A direct diagnosis and treatment by a physician is still necessary. Thank you![Read More] Understanding Chronic Red Eyes: Causes and Solutions for Eye Discomfort
Excessive Tear Production: When to See a Doctor and Solutions
Constant tearing? I would like to ask if, upon waking up in the morning, my eyes continuously tear up, or if I have difficulty opening my eyes when exposed to sunlight and tear up profusely. Should I see a doctor? Are there any methods to resolve this issue?
Dr. Lin Zhengyi reply Ophthalmology
Many diseases can present with the aforementioned symptoms, such as trichiasis, blepharitis, conjunctivitis, keratitis, and even dry eye syndrome. Therefore, it is recommended to consult a physician for accurate diagnosis and treatment. Lin Cheng-yi.[Read More] Excessive Tear Production: When to See a Doctor and Solutions
Is It Time for Cataract Surgery? Key Questions Answered
Is it time to implant the intraocular lens? Hello Doctor: I have a few questions to ask: (I have known cataracts for 2 years, blood pressure around 160, normal eye pressure, no diabetes) 1. Given that I see things both near and far very blurry now, would it be better to have a le...
Dr. Lin Zhengyi reply Ophthalmology
1. There are many causes of blurred vision, such as cataracts, corneal disorders, vitreoretinal diseases, optic nerve disorders, or simply issues like myopia or presbyopia. If an ophthalmologist examines the patient and determines that cataract surgery could improve vision, the p...[Read More] Is It Time for Cataract Surgery? Key Questions Answered
Can I Apply for a Disability Certificate After Losing Vision in One Eye?
Surgery Hello doctor, I have become completely blind in my left eye due to brain surgery. Can I apply for a disability certificate under these circumstances? Thank you for your response.
Dr. Lin Zhengyi reply Ophthalmology
Vision or visual field impairment requires an assessment of the actual examination results to determine eligibility for a disability certificate. It is recommended that you first obtain the "Application for Disability Assessment" from the local township or city office w...[Read More] Can I Apply for a Disability Certificate After Losing Vision in One Eye?
Does Using a Projector Affect Children's Vision in the Classroom?
Does single-lens projection affect children's vision? Hello: I am an elementary school teacher. We use a single-lens projector in our classroom for teaching, and I am wondering if the brightness of the projector light could affect the students' vision. Additionally, one...
Dr. Lin Zhengyi reply Ophthalmology
Single-gun projectors have less radiation issues; however, regardless of the imaging equipment used, attention should be paid to brightness and contrast. In principle, if you find the usage clear and comfortable, and the image does not flicker, there should generally be no proble...[Read More] Does Using a Projector Affect Children's Vision in the Classroom?
Post-Cataract Surgery Care: Addressing Common Concerns and Questions
After cataract surgery My mother (approximately 78 years old) underwent cataract surgery on her right eye six weeks ago. I would like to ask the following questions: 1.) Why does she need to have her sutures removed one month after surgery, while others do not require this? 2....
Dr. Lin Zhengyi reply Ophthalmology
1. If the sutures from cataract surgery are loose or break on their own, they must be removed; otherwise, they can cause discomfort in the eye. Therefore, whether to remove the sutures should be determined based on each patient's condition. 2. Postoperative shadows or dark...[Read More] Post-Cataract Surgery Care: Addressing Common Concerns and Questions
Persistent Eyelid Lump with Pus: Seeking Effective Treatment Options
A small lump on the eyelid with pus formation? I previously had a stye that was cleared, but it didn't heal completely, resulting in a small lump on my lower eyelid that hasn't gone away for over two months. Now, there are times when pus-filled bumps appear on it, and I...
Dr. Lin Zhengyi reply Ophthalmology
A stye (hordeolum) or chalazion may recur after incision or drainage. However, some malignant eyelid tumors can present with similar appearance and symptoms as a chalazion, so if a chalazion continues to recur after removal, it should not be taken lightly. If you have seen three ...[Read More] Persistent Eyelid Lump with Pus: Seeking Effective Treatment Options
Could Your Vision Issues Be Causing Dizziness While Riding a Bike?
I'm sorry, but I need more context or content to provide a translation. Please provide When riding a bike, I feel like I'm about to faint. Could this indicate a problem with my eyes? Additionally, when headlights from oncoming vehicles shine on me, I also have difficult...
Dr. Lin Zhengyi reply Ophthalmology
Feeling faint while riding a bike may not necessarily be an issue with your eyes. Experiencing slight blurriness or mild glare from oncoming headlights can be a normal phenomenon; however, if the situation is severe, it is essential to consult an ophthalmologist for an examinatio...[Read More] Could Your Vision Issues Be Causing Dizziness While Riding a Bike?
Why Do My Eyes Hurt and Blur in the Rain?
I'm sorry, but I need more context or content to provide a translation. Could you When it rains, if water gets into my eyes, they hurt a lot and I can't see the road. It also makes me feel dizzy and my vision becomes blurry, to the point where I can barely see. Why is t...
Dr. Lin Zhengyi reply Ophthalmology
Unless it is eye drops, artificial tears, or saline solution that have the same pH or osmotic pressure as water, other liquids introduced into the eye may cause pain and blurriness.[Read More] Why Do My Eyes Hurt and Blur in the Rain?