Understanding Nystagmus: Symptoms, Challenges, and Visual Impacts
Nystagmus Hello, may I ask if nystagmus can also have a large amplitude and high frequency? Does a larger amplitude make the appearance more noticeable, or is it the high frequency? Is it true that not every person with congenital nystagmus experiences oscillopsia? Furthermore, d...
Dr. Gao Pilin Reply:
Hello, Xin: The amplitude of nystagmus can vary, with some being large and others small, and the speed can also range from fast to slow. Naturally, larger amplitudes are easier to detect. The frequency is not always consistent; sometimes it is very fast, and if one does not pay c...[Read More] Understanding Nystagmus: Symptoms, Challenges, and Visual Impacts
Foreign Object in Eye: Symptoms, Risks, and Treatment Options
Foreign body in the eye? Hello, doctor. Two weeks ago, while I was cleaning and scraping, a foreign object got into my eye. At that time, the doctor helped me remove two larger fragments from the inner eyelid and believed that the smaller ones would likely be expelled on their ow...
Dr. Gao Pilin Reply:
Hello, Xiao Tian: 1. Is there a chance for encapsulated foreign bodies to be expelled on their own? If they are encapsulated, it is less likely, but there is still a possibility. 2. Is it okay if these foreign bodies are not removed? Could they lead to hyperplasia? What future i...[Read More] Foreign Object in Eye: Symptoms, Risks, and Treatment Options
Understanding Retinal Surgery: Key Questions for High Myopia Patients
Retinal Surgery and Related Procedures Dear Dr. Gao, I have several questions I would like to ask you: 1. I have high myopia, with my right eye at -1825 diopters and my left eye at -1300 diopters. The doctor performed ultra-widefield imaging (out-of-pocket examination) and ind...
Dr. Gao Pilin Reply:
Hello: 1. If the physician determines that surgery is not necessary, it can be monitored. 2. Flashes can occur at any time, and they are more noticeable in dark environments. If there is a significant increase in flashes or the appearance of floaters, an examination is necessary....[Read More] Understanding Retinal Surgery: Key Questions for High Myopia Patients
Understanding Eye Flashes: Causes, Symptoms, and Relief Strategies
Flashes of light in the eyes? Hello Doctor, my myopia is -7.50 diopters, and I have frequently visited the ophthalmology department for check-ups this month. Currently, there are no issues with my retinal health; however, I have a hole in my left eye that has been treated with la...
Dr. Gao Pilin Reply:
Hello Steven: This type of flashing cannot be alleviated. You can only coexist with it. Over time, it will gradually improve on its own. If the soreness and fatigue cannot be relieved, you may use lubricating eye drops and try applying warm compresses.[Read More] Understanding Eye Flashes: Causes, Symptoms, and Relief Strategies
Understanding Floaters: When to Worry and What to Watch For
Observation of Floaters Hello, Doctor. I have myopia of -775 degrees in my right eye and -750 degrees in my left eye. Over a month ago, I underwent an examination for floaters, and the results showed no issues. The doctor only mentioned that the peripheral retina is somewhat thin...
Dr. Gao Pilin Reply:
Hello: This type of floaters is usually harmless. However, if they appear in a large number or are accompanied by flashes of light, special attention is required.[Read More] Understanding Floaters: When to Worry and What to Watch For
Understanding Floaters: When to Worry About Eye Symptoms
Observation of Floaters Hello, Doctor. I have myopia of -775 degrees in my right eye and -750 degrees in my left eye. Over a month ago, I underwent an examination for floaters, and the results showed no issues. The doctor mentioned that the peripheral retina is somewhat thinned d...
Dr. Gao Pilin Reply:
Hello: This type of floaters is usually harmless. However, if they appear in a large number or are accompanied by flashes of light, special attention is required.[Read More] Understanding Floaters: When to Worry About Eye Symptoms
Understanding Retinal Laser Treatment: Key Questions and Insights
Retinal laser treatment Dear Dr. Gao, I recently discovered a retinal tear due to high myopia and underwent laser treatment. I am determined to protect my eyes to avoid the path to blindness in the coming years or even decades. This has led to many questions and decisions regard...
Dr. Gao Pilin Reply:
Hello Andre: 1. There should only be one type. 2. Scarring will persist and typically will not be repeated on the same area. 3. 4. 5. Injecting around the entire circumference is ineffective and does not provide protection to the center; it should be done around the perimeter of ...[Read More] Understanding Retinal Laser Treatment: Key Questions and Insights
Understanding Fixed Floaters in Vision: Common Concerns and Insights
Black shadow in the eye (#180224 follow-up) Hello, Dr. Gao. I am inquiring about the black shadows in my vision mentioned in article #180224. After two indirect ophthalmoscopic examinations by an ophthalmologist, no signs of retinal damage were found, and I was diagnosed with flo...
Dr. Gao Pilin Reply:
Hello Mr. Ching: 1. Some cases of floaters can be relatively stable, especially the Weiss ring that occurs during posterior vitreous detachment. 2. Once the vitreous humor liquefies, it is possible for the floaters in the middle to be pulled to the side, or for the vitreous humor...[Read More] Understanding Fixed Floaters in Vision: Common Concerns and Insights
Managing Eye Pressure: Tips for Exercise, Diet, and Lifestyle Adjustments
The sensation of elevated intraocular pressure? Hello Doctor: Recently, I've been troubled by some eye issues. I have previously experienced symptoms of high intraocular pressure (headaches, dizziness, mild nausea), and similar feelings have returned in the past couple of da...
Dr. Cai Wenyuan Reply:
The sensations in the eyes may not necessarily be related to intraocular pressure; it is advisable to seek medical evaluation.[Read More] Managing Eye Pressure: Tips for Exercise, Diet, and Lifestyle Adjustments
Understanding Early Macular Degeneration: Risks and Vision Impact
Early-stage macular degeneration I have high myopia with a prescription of -12.75 in the left eye and -12.00 in the right eye. The doctor mentioned that I have early-stage dry macular degeneration and I am currently waiting for confirmation at the Veterans General Hospital. I wou...
Dr. He Jianxian Reply:
Hello, the term macular degeneration is somewhat vague; some cases can be quite severe while others may only involve mild degeneration. It would be wiser to wait for the results and then consult your physician about the subsequent developments. Dr. Ho Chien-Hsien, Ophthalmology D...[Read More] Understanding Early Macular Degeneration: Risks and Vision Impact
Understanding Dark Areas in Retinal Fundus Photography
Why are some areas of the retina in fundus photography very dark? Hello, doctor. Please see the illustration at the following URL: https://i.imgur.com/N6OCSvh.gif. I had a fundus photography done at the hospital, but the colors of the fundus are somewhat orange in some areas and ...
Dr. Liang Ce Reply:
I recommend that you 1. discuss the above situation further with your attending physician to determine if any additional examinations are necessary. 2. You may also consider consulting at an ophthalmology outpatient clinic at a medical center or large hospital. Thank you, and wis...[Read More] Understanding Dark Areas in Retinal Fundus Photography
Common Eye Issues: Understanding Vision Distortions and Prescription Needs
I have several questions regarding vision? I have a few questions that have persisted for several years: 1. When I focus on a straight line with my right eye alone, it appears slightly distorted, with a subtle wavy sensation. The Amsler grid test seems fine. The images of macular...
Dr. Gao Pilin Reply:
Hello, Ant: 1. A slight waviness may not be indicative of macular degeneration. Sometimes, it could also be related to refractive issues. 2. It is possible that there is a refractive problem, causing the image projected near the blind spot to appear somewhat distorted. 3. This ma...[Read More] Common Eye Issues: Understanding Vision Distortions and Prescription Needs
Understanding Visual Disturbances: Causes and Solutions for Eye Conditions
Eyes and Light Hello, I have issues with nystagmus and retinopathy of prematurity, as well as high myopia and astigmatism. When looking at certain computer screens or projected images, I sometimes perceive a slight flicker in the light, and the text appears to shake. Occasionally...
Dr. Gao Pilin Reply:
Hello, Xin: From your recent questions, it seems that you are quite concerned about your eye issues. However, we cannot provide a response without a proper examination. I recommend that you visit a hospital with an ophthalmology department for a thorough evaluation and consult wi...[Read More] Understanding Visual Disturbances: Causes and Solutions for Eye Conditions
Understanding Visual Impairment: Key Questions and Insights on Eye Health
Visual impairment Hello, I saw the standards for visual impairment online, and there are two criteria for mild visual field loss: 1. For the central 24-degree program on the automated perimetry, an average defect greater than 25 dB (exclusive) is required. 2. For the central 30-d...
Dr. Gao Pilin Reply:
Hello, S: Currently, the central 30 degrees should be used as a reference for visual field defects, which are not easily noticeable without examination. Retinal degeneration can lead to visual field loss, typically more severe in areas with light, which will appear clearer. When ...[Read More] Understanding Visual Impairment: Key Questions and Insights on Eye Health
Can Laser Eye Surgery Eliminate Nighttime Glare for Myopia?
Glare, myopic laser surgery? Hello, Doctor: I have myopia of -5.50 and astigmatism of -2.50 in my left eye, and myopia of -3.50 and astigmatism of -1.50 in my right eye. I am experiencing issues with nighttime glare. I would like to know if laser vision correction can eliminate n...
Dr. Gao Pilin Reply:
Good morning. Nighttime glare can have various causes; if it is due to astigmatism, laser treatment can eliminate it. It is advisable to visit an ophthalmologist to clarify the cause of the glare.[Read More] Can Laser Eye Surgery Eliminate Nighttime Glare for Myopia?
Seeing Flashes in the Dark: Eye Health Concerns from Phone Use
Using a mobile phone in the dark can cause flashes of light in the eyes? I usually don't turn off the lights while using my phone at night, but for the past few days, I've been sharing a room with others and have turned off the lights to use my phone for three consecuti...
Dr. Gao Pilin Reply:
Hello, Qing: This is likely a flash of light caused by vitreous traction on the retina. It is usually harmless and won't improve with rest; it may persist for a considerable amount of time. However, the concern is whether there is any retinal damage, so it is necessary to ha...[Read More] Seeing Flashes in the Dark: Eye Health Concerns from Phone Use
Understanding Sudden Blackouts in Vision: Causes and Concerns
Seeing black flashes in front of the eyes? Hello Doctor, a few days ago while having dinner, I suddenly saw a flash of darkness in front of my eyes, like the feeling of a light turning off, which lasted for less than a second. I found some similar issues in the forum; some mentio...
Dr. Gao Pilin Reply:
Hello, OO: It could possibly be amaurosis fugax, which is a symptom related to blood vessels. It may be caused by retinal artery sclerosis or carotid artery stenosis. Sometimes, low blood pressure can also lead to such phenomena. I recommend that you consult an ophthalmologist fo...[Read More] Understanding Sudden Blackouts in Vision: Causes and Concerns
Post-Cataract Surgery: Understanding Myopia and Vision Changes
Postoperative myopia after cataract surgery? Dear Doctor: I recently underwent cataract surgery on my left eye, and one month post-operation, my vision is still -200 degrees nearsighted. Is this normal? The doctor used a premium multifocal intraocular lens for distance vision, bu...
Dr. Gao Pilin Reply:
Hello Ah Hong: Due to having 200 degrees of myopia, it is normal to see nearby objects more clearly. It is quite common to have residual refractive error after cataract surgery, so wearing appropriate glasses will suffice. Whether to leave a residual prescription depends on indiv...[Read More] Post-Cataract Surgery: Understanding Myopia and Vision Changes
Understanding Eye Flashes and Glare: Causes, Concerns, and Care Tips
Flashes of light, glare? I am nearsighted with a prescription of -5.50 diopters in my left eye and -3.50 diopters in my right eye, and I have astigmatism of -2.50 in my left eye and -1.50 in my right eye. I started experiencing floaters about six years ago. Recently, in the past ...
Dr. Gao Pilin Reply:
Hello: This is likely the flashes caused by the vitreous pulling on the retina. If the examination showed no issues, just monitor it on your own. If the frequency increases or if you feel the condition worsens, you can get re-evaluated. There's no need for any specific maint...[Read More] Understanding Eye Flashes and Glare: Causes, Concerns, and Care Tips
Understanding Eye Flashes and Glare: Causes and Self-Assessment Tips
Flashes of light, glare? Hello, Doctor Gao: I am nearsighted with a prescription of -5.50 in my left eye and -3.50 in my right eye, and I have astigmatism of -2.50 in my left eye and -1.50 in my right eye. I started experiencing floaters about six years ago. Recently, in the past...
Dr. Gao Pilin Reply:
Oh no, hello: This is likely the flashes caused by the vitreous pulling on the retina. If the examination showed no issues, you can just monitor it on your own. If the frequency increases or if you feel the situation worsens, then you should get re-examined. There's no need ...[Read More] Understanding Eye Flashes and Glare: Causes and Self-Assessment Tips