night blindness, Ophthalmology FAQ

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Understanding High Myopia: Impact on Retina and Visual Perception

High myopia with enlarged blind spots and retinal degeneration issues? Hello, Doctor. I previously inquired about the issues related to high myopia and the expansion of blind spots, and I have a few more questions I would like to ask: 1. During a previous eye examination, you m...


Dr. Gao Pilin Reply:
Hello: 1. Retinal thinning and brightness perception: High myopia can indeed lead to retinal thinning, particularly around the macula. Thinning of the retina may affect the distribution and function of photoreceptor cells, thereby impacting visual quality. The macular region is...

[Read More] Understanding High Myopia: Impact on Retina and Visual Perception


Can High Myopia Cause Enlarged Blind Spots and Visual Shadows?

Does high myopia cause an expansion of blind spots? + Visual shadows in dimly lit areas? Hello Doctor, I have a few questions I would like to ask. 1. I noticed in the past year or two that when I close one eye, I can see a dark area near my blind spot in both eyes. Previously, ...


Dr. Gao Pilin Reply:
Hello: 1. High myopia and the expansion of the blind spot associated with high myopia (1000 and 1200 diopters) can indeed lead to retinal degeneration, which may affect the structures surrounding the optic nerve, resulting in an enlarged blind spot. Although your OCT scan shows...

[Read More] Can High Myopia Cause Enlarged Blind Spots and Visual Shadows?


Glaucoma or Night Blindness: Understanding Your Eye Condition

Is it glaucoma or night blindness? Hello doctor, I was diagnosed with macular degeneration during my health check-up in January this year. Subsequent follow-up examinations revealed that I have low-tension glaucoma (my eye pressure was approximately 10-15 before using eye drops)....


Dr. He Jianxian Reply:
Dear Confused Individual: Due to the complexity of your condition, it is difficult to provide a recommendation. I suggest you go directly to a medical center for an examination, as you may receive a more accurate diagnosis. Dr. He Jianxian, Department of Ophthalmology, Nantou Hos...

[Read More] Glaucoma or Night Blindness: Understanding Your Eye Condition


Understanding Retinitis Pigmentosa: Symptoms, Diagnosis, and Vision Changes

Retinitis Pigmentosa Hello Doctor: During my eye examination last year, I was diagnosed with a condition that has resulted in significant floaters and photophobia during the day, as well as persistent flashing at night. I also found out that my night vision is not very good. Sinc...


Dr. Gao Pilin Reply:
Hello: The situation you described indicates that you have been diagnosed with retinitis pigmentosa, and you are experiencing symptoms such as floaters, photophobia, flashes, and night blindness. Your visual field examination results show changes in the peripheral vision, which i...

[Read More] Understanding Retinitis Pigmentosa: Symptoms, Diagnosis, and Vision Changes


Understanding Peripheral Retinal Laser Treatment and Its Implications

Retinal military service issues Hello, doctor. The physician mentioned that I have areas of thinning in my eye and need to undergo "laser treatment for peripheral retinal tears and degeneration (FRP)." I would like to know if this is similar to retinal detachment surger...


Dr. Chen Anping Reply:
Hello: According to the classification standards for physical conditions, the exemptions for military service due to retinal diseases are as follows: 1. Retinitis pigmentosa in both eyes (night blindness) 2. Post-operative status after retinal detachment surgery in one eye. The f...

[Read More] Understanding Peripheral Retinal Laser Treatment and Its Implications


Managing Normal-Pressure Glaucoma: Medication Concerns and Symptoms

Medication Issues After the Unexpected Diagnosis of Normal-Pressure Glaucoma Hello, Director. Last week, I unexpectedly discovered during my internship that I have a thin retinal thickness (nasally) through OCT. After conducting a visual field test, both eyes showed abnormalities...


Dr. Gao Pilin Reply:
Hello: Currently, there are some abnormalities in your visual field, but this is a baseline test. The values of -3dB and -4dB alone cannot specifically define the degree of abnormality. If there are no changes later, it may simply be the way it is, and there is no need to worry t...

[Read More] Managing Normal-Pressure Glaucoma: Medication Concerns and Symptoms


Understanding High Eye Pressure and Optic Nerve Health: Key Concerns

Optic nerve-related Currently, I would like to briefly describe my situation. I was diagnosed with elevated intraocular pressure and slightly larger optic nerve cupping at the age of 18. I have been undergoing regular visual field tests and fundus examinations for the past five y...


Dr. Gao Pilin Reply:
Hello: (1) Based on your description, your intraocular pressure is currently stable in the range of 21-22 mmHg, and your visual field test results are normal, with no abnormalities in the fundus. This may indicate that your condition is currently stable and may only be classified...

[Read More] Understanding High Eye Pressure and Optic Nerve Health: Key Concerns


Understanding Retinal Degeneration and the Impact of Floaters

Retinal degeneration and floaters? Hello, doctor. I would like to ask a few questions. I have been experiencing floaters for the past few months, and during a hospital visit, I also had a dark adaptation test which revealed retinal dystrophy, specifically peripheral retinal degen...


Dr. Gao Pilin Reply:
Hello: 1. Color blindness and night blindness are different visual problems. Color blindness refers to the reduced ability to perceive red and green colors, while night blindness refers to decreased visual ability in low light conditions. Both color blindness and night blindness ...

[Read More] Understanding Retinal Degeneration and the Impact of Floaters


Understanding Retinal Diseases: Symptoms, Management, and Nutritional Support

Retinal diseases Hello Doctor, I am the person who previously inquired about night blindness. In early November, I suddenly developed floaters, and this year I was diagnosed with pigmentary retinopathy. Since December, I have been working on the computer for 8 hours a day, and my...


Dr. Gao Pilin Reply:
Hello: 1. Lutein, astaxanthin, and fish oil may help improve retinal health, but the specific effects of these nutrients still require further research for validation. Avoiding blue light exposure is also an effective method for protecting the eyes. 2. To determine if you have an...

[Read More] Understanding Retinal Diseases: Symptoms, Management, and Nutritional Support


Understanding Retinal Diseases: Symptoms, Management, and Dietary Tips

Retinal diseases Hello Doctor, I am the person who previously inquired about night blindness. In early November, I suddenly developed floaters, and this year I was diagnosed with pigmentary retinopathy. Since December, I have been working on the computer for 8 hours a day, and my...


Dr. Gao Pilin Reply:
Hello: 1. Lutein, astaxanthin, and fish oil may help improve retinal health, but the specific effects of these nutrients still require further research for validation. Avoiding blue light exposure is also an effective method to protect the eyes. 2. To determine if you have any ey...

[Read More] Understanding Retinal Diseases: Symptoms, Management, and Dietary Tips


Understanding Photophobia: Symptoms and Solutions for Eye Discomfort

Photoreception issues Hello doctor, I have floaters and in January, I discovered that I also have night blindness. My current job requires me to look at a computer for 8 hours a day. After just over two months, I suddenly started feeling uncomfortable in mid-January. When I wake ...


Dr. Gao Pilin Reply:
Hello: This is likely not a sign of a retinal tear. Since you have night blindness, your retina may be more prone to fatigue, and the afterimages from light stimuli may linger longer. However, it is still recommended that you visit an ophthalmologist for a thorough examination to...

[Read More] Understanding Photophobia: Symptoms and Solutions for Eye Discomfort


Understanding Flashing Lights in Vision: Causes and Concerns

There are flashing lights in front of my eyes? Hello doctor, two months ago I underwent a dilated eye exam and was diagnosed with floaters. Last week, I was also checked for night blindness, and I need to continue monitoring and undergo tests like electroretinography. Recently, I...


Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.

[Read More] Understanding Flashing Lights in Vision: Causes and Concerns


Understanding Retinal Degeneration and Night Blindness: Key Insights

Eye degeneration, retinal degeneration, night blindness? Hello Doctor, I recently visited a large hospital for an eye examination. I underwent dark adaptation tests, visual field tests, and OCT, and I was diagnosed with retinal dystrophy. I've felt that my night vision has b...


Dr. Gao Pilin Reply:
Hello: Is it true that night blindness will inevitably lead to complete blindness in the future? It's not that pessimistic. According to large-scale statistics, it is rare for retinitis pigmentosa to cause total vision loss; approximately 20% of individuals may have monocula...

[Read More] Understanding Retinal Degeneration and Night Blindness: Key Insights


Understanding Retinal Degeneration and Night Blindness: Key Insights

Retinal degeneration, night blindness? Hello Doctor, I recently visited a large hospital for an eye exam. I underwent dark adaptation testing, visual field testing, and OCT, and was diagnosed with retinal dystrophy. I've felt that my night vision has been worse than others f...


Dr. Gao Pilin Reply:
Hello: Is it true that night blindness will inevitably lead to blindness in the future? It's not that pessimistic. According to large-scale statistics, it is rare for retinitis pigmentosa to cause complete vision loss; about twenty percent of individuals may have a visual ac...

[Read More] Understanding Retinal Degeneration and Night Blindness: Key Insights


Understanding Eye Discomfort: Symptoms, Causes, and Next Steps

Inquiry about eye discomfort? Hello Doctor: Two months ago, after experiencing severe headaches, I began to feel eye fatigue and blurred vision. I have already consulted a neurologist and about six ophthalmologists. The headaches have ceased, and examinations showed no abnormalit...


Dr. Gao Pilin Reply:
Hello Mr. Liao: 1. Since floaters are harmless and there is no active treatment available, the current examination should be sufficient. 2. It is possible that your prescription is too strong, which may cause fatigue and difficulty focusing. You might consider trying multifoca...

[Read More] Understanding Eye Discomfort: Symptoms, Causes, and Next Steps


Understanding Retinal Issues: High Myopia and Pigment Deposits Explained

Retinal-related issues? 1. Is retinal pigment deposition congenital? 2. If there is pigment deposition in the retina but no night blindness or other discomfort, does this indicate that the eyes are healthy? 3. With retinal pigment deposition but no night blindness, will there...


Dr. Gao Pilin Reply:
Hello, Ms. Wang: 1. It can sometimes be spontaneous. 2. Retinitis pigmentosa is one of the characteristics of night blindness, but individuals with retinitis pigmentosa may not always experience night blindness. 3. It is possible that there is a pre-existing difference in vision ...

[Read More] Understanding Retinal Issues: High Myopia and Pigment Deposits Explained


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 OCT and Visual Field Tests for Eye Health

OCT and visual field testing Hello Dr. Gao: I have recently noticed symptoms of night blindness, macular degeneration, or floaters, so I have arranged for OCT and visual field tests at a certain large hospital A. I would like to ask if I decide to switch to another large hospital...


Dr. Gao Pilin Reply:
Hello, Xiao-Hui with anxiety: If you have already undergone the procedure, there is no need to repeat it; you can simply go to Hospital A to check the results. If you wish to have it done again, you can directly ask the physician at Hospital B if it is possible, as only the exami...

[Read More] Understanding OCT and Visual Field Tests for Eye Health


Can Cord Blood Stem Cells Treat Night Blindness? Expert Insights Needed

Is umbilical cord blood stem cells suitable for treating night blindness? Hello Doctor, I am currently about 22 weeks pregnant and would like to confirm how umbilical cord blood stem cells can be evaluated for the treatment of night blindness. My mother, who is 59 years old, has ...


Dr. Gao Pilin Reply:
Hello Lesley: "Retinitis Pigmentosa (RP)" is a genetic disorder, and the condition of patients tends to worsen over time. Currently, treatment options are limited, and there is no way to prevent it. There are experimental gene therapies available abroad, but such treatm...

[Read More] Can Cord Blood Stem Cells Treat Night Blindness? Expert Insights Needed


Understanding Retinitis Pigmentosa and Night Blindness: Key Insights

Retinal pigment, night blindness? 1. I would like to ask the doctor, if I am already 50 years old and have not yet shown symptoms of retinitis pigmentosa, is there still a possibility of developing the condition after the age of 50? Most information online states that symptoms ty...


Dr. Gao Pilin Reply:
Hello, Miss Lin: Difficulty seeing at night is not necessarily night blindness; it may simply be due to refractive error, which can be corrected with appropriate glasses. Night blindness, or nyctalopia, refers to the inability to see nearby objects in low-light conditions, such a...

[Read More] Understanding Retinitis Pigmentosa and Night Blindness: Key Insights


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