Understanding Nystagmus: Causes, Effects, and Management in Vision Health
Nystagmus 1. Can congenital nystagmus worsen over time? If so, what could be the possible reasons? Would it lead to further deterioration of vision? 2. It is said that individuals with congenital nystagmus do not experience oscillopsia when looking at objects, but why do they per...
Dr. Gao Pilin Reply:
Hello, Xin: 1. It should not happen. 2. It should still happen. 3. It is uncertain; it depends on whether there are issues with the retina or optic nerve. 4. Blindness is not related to refractive error; both myopia and hyperopia can lead to it. 5. This is how refractiv...[Read More] Understanding Nystagmus: Causes, Effects, and Management in Vision Health
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 People with High Myopia Over 1500 Degrees Work as Cleaners?
#179722 High Myopia and Macular Fold Director, thank you for your response. May I ask if a person with high myopia, exceeding -1500 diopters, can work as a cleaner? Tasks such as mopping, sweeping, sorting garbage, taking out the trash, cleaning toilets, wiping blackboards, and s...
Dr. Gao Pilin Reply:
Hello AA: Actually, there aren't too many restrictions; a cleaner should be fine. The main thing is to avoid straining the eyes or engaging in work that could lead to eye contact or injury.[Read More] Can People with High Myopia Over 1500 Degrees Work as Cleaners?
Understanding Eye Pressure Measurement: Safety Concerns and Procedures
Intraocular pressure measurement Hello, Doctor Gao. Today, during the process of measuring my intraocular pressure by the nurse, I was very nervous, which resulted in poor readings. My eye was measured more than 15 times using the air puff tonometer, and I saw several flashes of ...
Dr. Gao Pilin Reply:
Hello, Xiaomi: The use of jets and blue light will not cause harm to the eyes, so please rest assured.[Read More] Understanding Eye Pressure Measurement: Safety Concerns and Procedures
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 Dark Yellow Vision in High Myopia: Causes and Solutions
The left eye sees things as dark yellow? I am 25 years old and have high myopia in both eyes: right eye: -950, left eye: -700 (with astigmatism of -2.00 to -2.50 in both eyes). Both eyes have undergone retinal laser treatment for holes. My left eye sees things very dimly and with...
Dr. Gao Pilin Reply:
Hello Krystal: It may be an issue with the retinal photoreceptor cells, and it might be necessary to perform an electroretinogram to assess the functionality of the photoreceptor cells.[Read More] Understanding Dark Yellow Vision in High Myopia: Causes and Solutions
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
Understanding Blue Shadows in Vision: Causes and Solutions for Eye Issues
Seeing blue in the eyes? Hello Doctor, I am currently facing a situation where the ophthalmology clinics are closed for the Qingming Festival, so I would like to ask about my personal condition: I have dry eye syndrome, myopia in both eyes of approximately 200 degrees, and I expe...
Dr. Liang Ce Reply:
I recommend that you 1. discuss the above situation further with your attending physician to determine if additional examinations are necessary. 2. consider switching to an ophthalmology outpatient clinic at a medical center or large hospital. Thank you, and wish you good health![Read More] Understanding Blue Shadows in Vision: Causes and Solutions for Eye Issues
Understanding Retinal Hemorrhage: Symptoms, Causes, and When to Seek Help
Regarding retinal hemorrhage? Hello, Dr. Gao. Today, I went to a clinic for a routine fundus examination [non-dilated photography] and funduscopy, and I discovered some minor hemorrhages and small blood clots in both eyes [located in the lower left corner of the image]. However, ...
Dr. Gao Pilin Reply:
Hello, Ah Wei: Retinal hemorrhage is usually related to vascular issues, and hypertension is also a contributing factor. If the physician has not indicated any treatment, it is likely that you should just observe the condition and have regular follow-ups. You can schedule a follo...[Read More] Understanding Retinal Hemorrhage: Symptoms, Causes, and When to Seek Help
Understanding Black Shadows in Vision: Signs of Retinal Issues?
Closing one eye results in seeing shadows? When I open my left eye, I see a blurry black shadow in the lower right corner, which disappears after a moment. However, it reappears when I close my eyes and then open them again. Aside from this issue, everything else seems normal. Is...
Dr. Gao Pilin Reply:
Hello, Xiao Huang: This is likely a phenomenon of floaters, which is not necessarily a problem with the retina. However, it is still recommended that you get it checked again, as there was a previous hole, so please be cautious.[Read More] Understanding Black Shadows in Vision: Signs of Retinal Issues?
Understanding Flashing Lights and Floaters in High Myopia Patients
Experiencing floaters and seeing flashes of light when turning off the lights at night? Hello Doctor, I have high myopia. In February of this year, I was diagnosed with floaters at an ophthalmology clinic. After a while, I noticed flashes of light in my vision. I went to the hosp...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Flashing Lights and Floaters in High Myopia Patients
Understanding Flashing Lights and Floaters: Eye Health Insights
Experiencing floaters and flashes of light when turning off the lights to sleep? Doctor, I apologize for the interruption. A few days ago, I asked a question [#180162](https://adoctor.tw/article/180162), and you mentioned, "If the flashes occur after the examination, further...
Dr. Gao Pilin Reply:
Hello, Kai: The flashes are likely not related to fatigue; they are probably caused by the vitreous pulling on the retina. If there are no significant changes, you can monitor it yourself. If they increase or worsen, please return for a follow-up.[Read More] Understanding Flashing Lights and Floaters: Eye Health Insights
Understanding Eye Flashes: Causes and Concerns for Computer Users
Flashes of light in the eyes? Hello, Doctor. I have had floaters since childhood, and recently, when I blink rapidly or squint hard, I sometimes see a horizontal black line at a specific location (similar to the black area after a camera flash), which lasts from a few minutes to ...
Dr. Gao Pilin Reply:
Hello Mr. Ching: If this is a recent occurrence, I recommend that you visit an ophthalmologist for an examination. Pupil dilation is not a concern and will not harm your eyes.[Read More] Understanding Eye Flashes: Causes and Concerns for Computer Users
Understanding Cataract Surgery After Retinal Detachment: Expert Insights
Cataract surgery after retinal detachment surgery? The retinal detachment surgery was performed 20 years ago, and there are currently signs of cataracts. One doctor mentioned that the lens can be replaced. Another doctor said that because I belong to a high-risk group, I should w...
Dr. He Jianxian Reply:
Even if the surgery is delayed until the condition is more familiar, the risk of retinal detachment remains the same; postponing the surgery does not reduce this risk. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Understanding Cataract Surgery After Retinal Detachment: Expert Insights
Understanding Flashing Lights and Floaters in High Myopia Patients
Experiencing floaters and flashes of light when turning off the lights at night? Hello, Doctor. I have high myopia, and in February of this year, I was diagnosed with floaters at an ophthalmology clinic. I also went to the hospital for an examination in early March, and there wer...
Dr. Gao Pilin Reply:
Hello, Kai: If the flashes occurred after the examination, you should have it checked again. If everything is fine, you can monitor it on your own.[Read More] Understanding Flashing Lights and Floaters in High Myopia Patients
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
Understanding Laser Treatment for Retinal Holes: Healing and Follow-Up
Retinal hole laser treatment Hello, doctor. After laser treatment for a retinal tear, how many months later should I return to the hospital for a fundus examination? Will the original tear site disappear (heal) in the imaging, or will it still appear as a tear? That is my questio...
Dr. Gao Pilin Reply:
Hello Mr. Li: The hole should still be present, but the area around it should have already formed a scab.[Read More] Understanding Laser Treatment for Retinal Holes: Healing and Follow-Up
Understanding Visual Persistence: Causes and Solutions for Eye Issues
Visual persistence is prolonged? Hello, Doctor. 1. I have been experiencing a significant issue with visual persistence lately. For example, after looking at a streetlight, I still see its afterimage when I look away. Doctor, is it possible for this condition to improve? It has...
Dr. Gao Pilin Reply:
Hello, Winnie: It is normal to see an afterimage of a streetlight even after shifting your gaze away from it. This phenomenon is not necessarily abnormal. The duration of afterimages can vary depending on the intensity of the light, and it is difficult to determine if the duratio...[Read More] Understanding Visual Persistence: Causes and Solutions for Eye Issues
Understanding Floaters: Causes, Symptoms, and Treatment Options
Vision deterioration and floaters? Hello, doctor! Last year, I suddenly noticed hundreds of circles of varying depths in my right eye, some overlapping, creating a visual obstruction that resembled a wrinkled film, making everything unclear, even on darker asphalt surfaces. The l...
Dr. Cai Wenyuan Reply:
1. It can be considered. 2. Use your eyes less and take more breaks. 3. I haven't heard of it.[Read More] Understanding Floaters: Causes, Symptoms, and Treatment Options