Understanding Visual Field Defects: Symptoms, Causes, and Concerns
Visual field defect Following up on my previous question, I asked the doctor about my peripheral vision appearing to flicker like turning a light on and off. The doctor mentioned that this could potentially indicate a visual field defect, possibly related to glaucoma or retinal d...
Dr. Gao Pilin Reply:
Hello, Awang: It is possible that the blackouts are caused by carotid artery issues. Cold temperatures may cause vasoconstriction, worsening the condition. Visual field defects should be assessed using a visual field test, as early defects may sometimes go unnoticed by the indivi...[Read More] Understanding Visual Field Defects: Symptoms, Causes, and Concerns
Understanding Wavy Vision Distortion in High Myopia Patients
Wavy vision distortion? I would like to ask the doctor, I have high myopia, but after examination, there are no issues with the macula, no retinal tears, and no glaucoma. However, I have noticed that in my right eye on the right side and in my left eye on the left side (it seems ...
Dr. Gao Pilin Reply:
Hello, Ah Da: The water ripples are likely caused by the liquefaction of the vitreous body, rather than a distortion of vision. If the examination shows no issues, you can be reassured.[Read More] Understanding Wavy Vision Distortion in High Myopia Patients
Understanding Visual Afterimages: When to Consult an Eye Specialist
Visual persistence question? OR minor question? Dear Doctor, I apologize for bothering you again. This morning, while washing my face, I accidentally splashed some water from the basin into my eyes. Currently, my vision is clear with no blurriness, no red lights, and no dark sha...
Dr. Gao Pilin Reply:
Hello, Wanfu: If water from a basin comes into contact with your eyes, it should not be a concern. Staring at a black background with white text for an extended period can cause afterimages, which is a normal physiological phenomenon and not something to worry about. The same goe...[Read More] Understanding Visual Afterimages: When to Consult an Eye Specialist
Understanding Eye Dominance and Its Impact on Eyeglass Fitting
Regarding the issues related to eye health during the process of fitting glasses? Hello, Doctor Gao. My left eye socket has been prone to soreness for many years. Recently, after confirming with an ophthalmologist that there are no issues with my eyes, I went to an affiliated opt...
Dr. Gao Pilin Reply:
Hello, Miss Hong: Regardless of whether it's the dominant eye or the other eye, both eyes are actually involved in seeing when looking at objects. If the refractive error between the two eyes is not significantly different, you can simply prescribe glasses based on the act...[Read More] Understanding Eye Dominance and Its Impact on Eyeglass Fitting
Understanding Blurry Vision with Contact Lenses: Causes and Solutions
Wearing corneal reshaping lenses for the full recommended duration but experiencing blurred vision for both near and far? I am 17 years old and have significant disparity between my eyes (left eye: -250, right eye: -400). I have been wearing orthokeratology lenses for over three ...
Dr. Cai Wenyuan Reply:
It is recommended to seek medical examination.[Read More] Understanding Blurry Vision with Contact Lenses: Causes and Solutions
Understanding Distorted Vision: Possible Causes Beyond Retinal Holes
Suspected retinal tear? The left eye exhibits distortion at a specific angle (peripheral vision), along with flashes of light during eye movement and residual vision. Both eyes have pre-existing myopia and floaters, while the macula appears normal, and the fundus examination show...
Dr. Gao Pilin Reply:
Hello, the presence of flashes indicates that there is vitreous traction on the retina. As for whether there are any tears, a dilated eye examination is necessary to determine that. If the examination shows no issues, it may simply be due to vitreous degeneration causing traction...[Read More] Understanding Distorted Vision: Possible Causes Beyond Retinal Holes
Understanding Macular Degeneration: Symptoms, Risks, and Vision Impact
Could it be macular degeneration? 1. I have seen symptoms of macular degeneration, specifically the presence of black holes on a white wall, twice, with a month apart between the two occurrences. However, I am only 19 years old and not a heavy user of digital devices. Could this ...
Dr. Gao Pilin Reply:
Hello, Xiao Pang: 1. It is not possible to make a judgment based on this; you will need to have an examination by an ophthalmologist to know for sure. 2. Currently, there is no need to worry; after the examination, it might turn out to be normal. Typically, at the age of 19, such...[Read More] Understanding Macular Degeneration: Symptoms, Risks, and Vision Impact
Can Reducing My Glasses Prescription Help My Vision?
Degree issue Can I ask, now that I am an adult, I see online that wearing glasses with a lower prescription can cause my vision to worsen. I currently have a prescription of -700 diopters, but my doctor said my prescription will not increase anymore. Can I get glasses with a pres...
Dr. Gao Pilin Reply:
Hello Mr. Chen: Currently, it should not be possible to reduce your prescription. Wearing a lower prescription of -1.00 diopters should not cause an increase in your vision prescription. You might consider wearing multifocal glasses, which can provide clear vision at both distanc...[Read More] Can Reducing My Glasses Prescription Help My Vision?
Is It Safe to Go Without Glasses for 4 Hours? Eye Health Concerns Explained
Hello, doctor? Hello Doctor, I have myopia of about 350 degrees. Recently, I started a job where I only need to stand at the entrance to greet the public, so I hardly need to use my eyes much. During the 4 hours of work, I do not wear my glasses. Is this acceptable? Is it harmful...
Dr. Gao Pilin Reply:
Hello, Ah Xiang: You can go without glasses for 4 hours during work hours. It is possible that due to dry eye syndrome, your eyes may feel very warm, with a sensation of heaviness, and you may also experience eye pressure and headaches, which can lead to blurred vision. The area ...[Read More] Is It Safe to Go Without Glasses for 4 Hours? Eye Health Concerns Explained
Is Immediate Treatment Necessary for Eye Stroke Causing Double Vision?
Is immediate treatment necessary for double vision due to an eye stroke or embolism? A family member was hospitalized due to a stroke, and later developed double vision. The doctor arranged for an ophthalmological examination, which revealed retinal vascular occlusion and small v...
Dr. Liang Ce Reply:
It is recommended that you discuss the above situation further with your attending physician to determine if any additional examinations are necessary. Thank you, and wishing you good health![Read More] Is Immediate Treatment Necessary for Eye Stroke Causing Double Vision?
Understanding Corneal Epithelial Erosion: Healing and Vision Clarity
Corneal epithelial erosion? Hello, Doctor! A few days ago, I accidentally scratched my right eye, and after visiting an ophthalmologist, I was diagnosed with a corneal abrasion along with inflammation and infection. The doctor prescribed anti-inflammatory eye drops and oral medic...
Dr. Gao Pilin Reply:
Hello Ukat: If the wound has mostly healed, there is no need to worry; your vision will gradually improve. Once the doctor assesses that it is fully healed, you should still be able to wear contact lenses.[Read More] Understanding Corneal Epithelial Erosion: Healing and Vision Clarity
Understanding Blurry Vision Upon Waking: Causes and Insights
Blurry vision upon waking up? Hello, Doctor. Sometimes when I wake up from sleep, my eyes feel groggy and my vision is blurry, but it doesn't significantly affect my eyesight. I'm just curious about what this phenomenon is. Thank you.
Dr. Gao Pilin Reply:
Hello, Zhiwei: It could be due to dry eyes with an uneven distribution of the tear film. It may also be that your eyes haven't fully adjusted after waking up. Additionally, it could be temporary blurriness caused by pressure on the eyes during sleep. Another possibility is t...[Read More] Understanding Blurry Vision Upon Waking: Causes and Insights
Understanding Eye Flashes: Causes and Concerns for Your Vision
Flashes of light in the eyes? (1) I have noticed that whenever I wake up directly from lying down, I see flickering spots of light in my vision, although they are not very intense and I can only feel them when I close my eyes. Could this be due to the retina being pulled? This ha...
Dr. Gao Pilin Reply:
Hello Mr. Chen: If you are feeling constantly anxious, I recommend that you visit an ophthalmologist for an examination. There should not be any significant issues. It may just be a normal physiological response.[Read More] Understanding Eye Flashes: Causes and Concerns for Your Vision
Understanding Optic Nerve Damage: Treatment Timelines and Recovery Insights
Optic nerve damage Hello, my husband suffered a severe impact to his left eye socket on July 10 due to improper work operation. He was taken to the emergency room where he was found to have significant hemorrhage inside the eye, resulting in complete loss of vision in the left ey...
Dr. Gao Pilin Reply:
Hello Mrs. Lai: If you have already recovered about 70%, it is recommended that you visit a hospital with a specialized ophthalmology department for further examination. Initially, due to the presence of bruising, a thorough examination was not possible, but now it may be easier ...[Read More] Understanding Optic Nerve Damage: Treatment Timelines and Recovery Insights
Understanding Macular Edema: Causes, Symptoms, and Recovery
Macular edema Hello doctor, recently I have been experiencing blurred vision in one eye with dark spots. After going to the hospital for an examination, I was diagnosed with macular edema. Will this condition heal on its own? It has been two to three weeks already; will it affect...
Dr. Gao Pilin Reply:
Hello, Xiaoyu: If it is central serous chorioretinopathy, the prognosis is generally good. Please refer to: https://bit.ly/3AQk6Gb. If it is caused by other reasons, corresponding treatment may be necessary, and the physician will arrange that for you. Please refer to: https://bi...[Read More] Understanding Macular Edema: Causes, Symptoms, and Recovery
Understanding Post-Corneal Scraping Issues and Recovery Options
Issues After Corneal Scraping Hello, doctor. Recently, I injured my cornea with a small metal piece while riding my bike, and there were metal shavings around it. During my first visit, the doctor only addressed the small metal piece, and my vision was fine at that time. However,...
Dr. Gao Pilin Reply:
Hello Peipei: Once the cornea has healed, the situation may improve. Typically, if the corneal epithelium is injured, the recovery should be favorable. However, if the scar is deeper, there may be scarring on the cornea afterward. If the scar is not located in the center, the imp...[Read More] Understanding Post-Corneal Scraping Issues and Recovery Options
Understanding Black Spots and Vision Issues in Your Right Eye
There are shadows in the right eye and issues with dilation? Last week, I noticed a small shadow in my right eye, but I only see it when looking at a white wall or similar surfaces; otherwise, I don't pay much attention to it. It disappears after a while, but reappears when ...
Dr. Gao Pilin Reply:
Hello Wei: 1. The physician examined the retina and found no issues; the macula is also fine, so it can be monitored. 2. It is likely related to the dilation of the pupils; once the pupils constrict, everything should return to normal.[Read More] Understanding Black Spots and Vision Issues in Your Right Eye
Seeing Black Spots in Bright Light: Is it Retinal Detachment?
When the eyes are exposed to bright light, one may experience seeing black spots or areas? Hello doctor, I have floaters in my vision. Recently, when I face the sun or other bright lights, I see a black, web-like flash that appears and then disappears, which is different from the...
Dr. Gao Pilin Reply:
Hello, Xiao Lei: The phenomenon you are experiencing is normal; the net-like appearance you see is likely the fibrous vitreous. It is not related to retinal detachment.[Read More] Seeing Black Spots in Bright Light: Is it Retinal Detachment?
Understanding Protruding Eyes: Causes and Concerns for Eye Health
Exophthalmos Hello Doctor, I recently noticed that my left eye appears more prominent. My left eye has myopia of about 50-75 diopters and some degree of astigmatism, while my right eye has no myopia. Additionally, I've been using my eyes significantly more during the summer ...
Dr. Gao Pilin Reply:
Hello: To determine if the eyeball is protruding, an examination with instruments is necessary. In myopia, the eyeball tends to have a longer axial length, which can sometimes result in a more prominent appearance. However, since your myopia is not severe, the difference should n...[Read More] Understanding Protruding Eyes: Causes and Concerns for Eye Health
Understanding Nighttime Vision Issues: Glare, Astigmatism, and Pupil Size
Please provide the content you would like me to translate into English? Dear Dr. Gao, Thank you very much for your responses and guidance in articles #183935 and #183927. I have generally understood the content. Below are my interpretations of your replies, and I would like to a...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. If the prescription is insufficient, this phenomenon will become more severe. 2. It should be so. 3. Squinting is certainly not good. However, this should be corrected.[Read More] Understanding Nighttime Vision Issues: Glare, Astigmatism, and Pupil Size