Understanding Visual Field Loss: Key Questions and Insights
Visual field issues Hello, is a visual field defect of 18.14 dB indicative of a total decrease in sensitivity within a 30-degree central visual field? It is possible that there are areas where light points are completely unperceived. There may also be many areas where smaller, we...
Dr. Gao Pilin Reply:
Hello, Xin: Is a visual field defect of 18.14 dB indicative of a total decrease in sensitivity within a 30-degree central visual field? -> Yes, it is possible that there are certain areas where light points are completely unperceived. It may also be that many areas cannot dete...[Read More] Understanding Visual Field Loss: Key Questions and Insights
Post-Retinal Surgery: Recovery, Risks, and Lifestyle Tips
Post-retinal surgery 1. After retinal detachment surgery, how many months does it take for the retina to be considered stable and properly attached? 2. Is it safe to ride a bike or walk three months post-retinal detachment surgery? Are there any precautions to take in daily life?...
Dr. Gao Pilin Reply:
Hello Anan: 1. It depends on the examination results. 2. If the fit is good, cycling and walking are acceptable. Avoid eye impacts and vigorous head movements. 3. If the fit is good and there are no complications or other contributing factors, the recurrence rate should be low. 4...[Read More] Post-Retinal Surgery: Recovery, Risks, and Lifestyle Tips
Understanding Rainbow Vision: When to Seek Eye Care?
Is this a case of iridology? Does it need to be examined? When observing streetlights, car headlights, or sunlight reflections, light can scatter and create rainbows. Sometimes, rainbows appear only on the left and right sides, while other times, multiple fragmented arcs can be s...
Dr. Gao Pilin Reply:
Hello Wei: What you refer to as "rainbow vision" is likely the phenomenon of dispersion. Dispersion typically occurs when the corneal hydration level increases. A common instance of this is seen in acute glaucoma, which can produce such effects. However, if there are co...[Read More] Understanding Rainbow Vision: When to Seek Eye Care?
Understanding Visual Field Loss: Symptoms and Sensations Explained
Visual field issues Hello, does visual field loss refer to being completely unable to see in certain directions? Or does it mean that some directions are less sensitive, such as not being able to see objects to the side while focusing straight ahead, but still being able to sense...
Dr. Gao Pilin Reply:
Hello, Xin: You are correct; these are symptoms of visual field loss. However, if you are already experiencing these symptoms, it indicates a more severe visual field loss. Mild or early-stage visual field loss is sometimes not noticeable by oneself. A visual field test is necess...[Read More] Understanding Visual Field Loss: Symptoms and Sensations Explained
Does Inadequate Astigmatism Correction Worsen Your Vision?
Will insufficient correction for astigmatism worsen the degree of astigmatism? Will not wearing the appropriate prescription for astigmatism cause the degree of astigmatism to worsen? Can acquired astigmatism be corrected by wearing glasses? (For example, could it take one to two...
Dr. Gao Pilin Reply:
Hello Joyce: Astigmatism will not decrease in severity due to wearing glasses. Insufficient correction will not worsen astigmatism either. However, if you do not wear the correct prescription and squint to see clearly, it can lead to an increase in astigmatism.[Read More] Does Inadequate Astigmatism Correction Worsen Your Vision?
Understanding LASIK Recovery: When Will My Vision Improve?
Myopia laser treatment Hello, doctor. It has been almost three months since I underwent LASIK surgery for my myopia. Initially, everything was blurry for about two months before my vision improved. However, I still experience some blurriness, especially when I am outdoors in brig...
Dr. Chen Anping Reply:
Ms. Wen: Hello, based on your description, here are my responses: 1. The fact that you can see clearly for a moment when yawning indicates that your issue is indeed caused by dry eye syndrome. I recommend using artificial tears. 2. There are two types of artificial tears: one is ...[Read More] Understanding LASIK Recovery: When Will My Vision Improve?
Understanding Eye Fatigue: Causes and Solutions for Blurry Vision
Eye fatigue Hello doctor, my eyes seem to be having some issues. When I look at things for a long time, they become blurry. For example, after looking at my phone for about 20 to 30 minutes, my vision becomes unclear. When I focus on products (silver metal products) at work, it a...
Dr. He Jianxian Reply:
This is a common presbyopia issue. If you need to work up close for extended periods, it is advisable to adjust your glasses to include the prescription for presbyopia. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospital.[Read More] Understanding Eye Fatigue: Causes and Solutions for Blurry Vision
Understanding Vitreous Degeneration and Macular Fold: Eye Health Insights
Vitreous degeneration and macular folds? Hello, doctor. Yesterday, I went to the hospital for an examination of my eyes. My left eye had previously undergone retinal detachment surgery with vitrectomy and silicone oil filling, and the oil was removed four months ago. During the e...
Dr. Gao Pilin Reply:
Hello: 1. If vision is not significantly affected, observation is sufficient; however, if vision begins to deteriorate and images start to distort, surgical intervention should be considered. 2. Vitrectomy will aim to remove the vitreous body as completely as possible, and any re...[Read More] Understanding Vitreous Degeneration and Macular Fold: Eye Health Insights
Can a Single Eye Exam at a Hospital Accurately Diagnose Glaucoma?
Glaucoma Report I recently made an appointment at a major hospital for an eye examination, but since I have not had any previous eye tests there, they do not have my complete medical history. Can they determine if I have glaucoma in just one visit? I have been seeing a clinic for...
Dr. Liang Ce Reply:
It is recommended that you undergo a comprehensive examination at a major hospital and consult regarding any related questions. Wishing you good health![Read More] Can a Single Eye Exam at a Hospital Accurately Diagnose Glaucoma?
Understanding Diplopia After Brain Hemorrhage: Eye Coordination Issues
Diplopia due to cerebral hemorrhage? Hello Doctor: I previously asked a question and mentioned that when looking in the mirror, my right eye appeared to be more inward. Over the past few days, I have been covering my left eye and noticed that when I cover my left eye, my right ey...
Dr. Gao Pilin Reply:
Hello, Yoyo: If you do not cover your left eye, you will use your left eye for vision, which is in the correct position, while the right eye has a nerve injury affecting its ability to move outward. Therefore, the right eye cannot align properly. However, if you cover your left e...[Read More] Understanding Diplopia After Brain Hemorrhage: Eye Coordination Issues
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
Improving Double Vision After Brain Hemorrhage: Tips and Techniques
Diplopia due to cerebral hemorrhage? Hello, Doctor. I am 181803. I have been undergoing acupuncture for my diplopia to enhance nerve recovery. I would like to ask if there are any other recommendations besides acupuncture that could aid in my recovery, such as eye exercises? The ...
Dr. Gao Pilin Reply:
Hello, Yoyo: The recovery of the nerves may follow the recommendations of the neurosurgeon. Since the goal is to train the right eye, you will be instructed to cover the left eye. Alternating the eye coverings is not meaningful, as there is no need to train the left eye. Therefor...[Read More] Improving Double Vision After Brain Hemorrhage: Tips and Techniques
Post-Surgery Flash Phenomena After Scleral Buckling: What to Know
Postoperative flashes after scleral buckle surgery? Hello! At the end of January this year, I experienced a partial retinal detachment in my right eye (upper quadrant). Initially, I underwent laser treatment, but after three months of follow-up, the condition of the retinal detac...
Dr. Gao Pilin Reply:
Hello Mr. Zhang: 1. If you notice any abnormalities, you should get checked. If the results are normal, use that as your baseline. If future results significantly differ from the baseline, further examination is needed; if they are similar, just monitor the situation. 2. It i...[Read More] Post-Surgery Flash Phenomena After Scleral Buckling: What to Know
Understanding Diplopia After Subarachnoid Hemorrhage: Recovery Insights
Diplopia caused by cerebral hemorrhage? Hello Doctor: In late March, I experienced a brain hemorrhage (subarachnoid hemorrhage) due to a ruptured aneurysm, which led to double vision in both eyes. At that time, I discovered that my right eye could not abduct. The attending physic...
Dr. Gao Pilin Reply:
Hello Yoyo: You mentioned that the right eye is more inward, which may indicate that the abducens nerve has not fully recovered yet, so there is still diplopia. It may take some more time to observe.[Read More] Understanding Diplopia After Subarachnoid Hemorrhage: Recovery Insights
Does Sleeping Facing Fluorescent Lights Affect Your Vision?
Directly looking at fluorescent lights? Hello, the ceiling fluorescent lights in my home (I forgot if they are LED or traditional tubes) are about 2 stories high and there are 8 of them. I slept facing the lights that were on for about 50 minutes. Will this affect my vision? Than...
Dr. Gao Pilin Reply:
Hello Mr. Chen: It should not be a problem, please rest assured.[Read More] Does Sleeping Facing Fluorescent Lights Affect Your Vision?
Deep Black Lines in Vision: What Could It Indicate?
Seeing deep black lines when closing your eyes? Recently, I often see very deep black lines when I half-close my eyes or just wake up. These lines appear for less than half a second and resemble the shapes that occur when the eyes are exposed to bright light. I have floaters, but...
Dr. Gao Pilin Reply:
Hello: This is likely a phenomenon related to floaters, as when the eyes are not fully open, black lines can be observed, but they become less noticeable when the eyes are fully open.[Read More] Deep Black Lines in Vision: What Could It Indicate?
Understanding Floaters: What Those 'Worms' in Your Vision Mean
Sudden appearance of worms? I have a right eye prescription of -4.75 diopters and a left eye prescription of -5.00 diopters. Due to certain reasons, I had to attend classes at home and ended up using my phone excessively. After a few months, I suddenly started seeing one or two m...
Dr. Gao Pilin Reply:
Hello, Yaan: This is likely a phenomenon of floaters. I recommend that you get it checked.[Read More] Understanding Floaters: What Those 'Worms' in Your Vision Mean
Long-Acting vs. Short-Acting Mydriatics for Children's Eye Care
Should long-acting or short-acting mydriatics be used? Hello, my child is currently 7 years old, and both eyes have a vision of 0.8 (measured after three applications of a short-acting dilating agent; the doctor said it is true myopia). I have read many articles online stating th...
Dr. Gao Pilin Reply:
Hello Inzu: According to research, only long-acting agents are effective. Regarding the use of mydriatics, you can refer to the following link: https://bit.ly/3yz5nht[Read More] Long-Acting vs. Short-Acting Mydriatics for Children's Eye Care
Understanding Dominant Eye Testing: Methods and Insights from an Expert
Please provide the content you would like me to translate into English? Dear Dr. Gao, Thank you for your responses and guidance in the articles “#181674 Follow-up Questions” and “#181655 Inquiry Consultation.” I have generally understood my personal questions, and I am very grat...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. In the same manner, the dominant eye generally does not change. However, if the non-dominant eye is clearer, one will naturally use the non-dominant eye without any conscious switching; this is a natural phenomenon. The dominant eye remains constant, simila...[Read More] Understanding Dominant Eye Testing: Methods and Insights from an Expert
Understanding Eye Prescription Adjustments: Expert Answers to Common Concerns
Follow-up Inquiry #181655 Dear Dr. Gao, Thank you very much for your personal response and guidance in the consultation regarding inquiry #181655; I have greatly benefited from it. I have some additional questions I would like to ask you: Q1. Regarding my right eye lens being u...
Dr. Gao Pilin Reply:
Hello, Ah Xiang: 1. No worries, it won't be a problem. 2. If you feel comfortable and your vision is adequate, that's all that matters. 3. It won't be an issue; in fact, without testing, it's difficult to determine which eye is dominant. The eye with clearer v...[Read More] Understanding Eye Prescription Adjustments: Expert Answers to Common Concerns