night blindness, Ophthalmology FAQ - Page 3

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Understanding Retinal Changes: What You Need to Know About Your Eye Health

Retinal examination Hello Doctor, I am #159849. During a previous dilated eye exam, a small area of my right eye's fundus appeared deep red, but there were no tears or retinal detachment. When I returned for a follow-up yesterday, the doctor mentioned that the color observed...


Dr. Gao Pilin Reply:
Hello Wei: This presentation is likely not due to retinal pigment degeneration. Please continue to monitor the situation. The Ophthalmology Department at Puzi Hospital in Taiwan is available on Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, and Wednesday...

[Read More] Understanding Retinal Changes: What You Need to Know About Your Eye Health


Understanding Retinal Pigmentary Changes: Your Questions Answered

Retinitis pigmentosa Hello, Doctor. I previously had an examination where the doctor looked at my retinal images and mentioned some pigmentary changes. I researched online and asked him if it could be retinitis pigmentosa, and he said that could be a broad way to describe it. He ...


Dr. He Jianxian Reply:
Hello Ms. Li: If you are a patient with retinitis pigmentosa, you would likely experience symptoms of night blindness. If you do not have this symptom, it may be a good sign. It is also possible that there are some congenital pigmentary changes in the retina rather than retinitis...

[Read More] Understanding Retinal Pigmentary Changes: Your Questions Answered


Understanding Vision Loss: Symptoms of Night Blindness and Eye Strain

Decreased vision, night blindness, eye pressure? Hello, Doctor: I have always felt that my eyes are somewhat strained and occasionally experience migraines, but it hasn't significantly affected my daily life, and resting usually helps. In April and May of this year, I had a ...


Dr. Gao Pilin Reply:
Hello Piper: This situation may be due to slower dark adaptation, which could indicate weaker function of the retinal rods. To determine if there is an issue, an electroretinogram (ERG) would be necessary. I recommend that you visit a medical center for a thorough examination for...

[Read More] Understanding Vision Loss: Symptoms of Night Blindness and Eye Strain


Understanding Retinal Pigmentary Changes: Concerns and Care Tips

Retinitis pigmentosa I recently went to the hospital for a retinal examination, and the doctor mentioned some pigmentary changes and asked if I had night blindness, which I do not. The doctor suggested that it could be considered a form of generalized retinitis pigmentosa. I have...


Dr. Gao Pilin Reply:
Hello, Ms. Li: 1. Retinitis pigmentosa exhibits a high degree of genetic heterogeneity, accompanied by various phenotypes and modes of inheritance. 2. Symptoms of retinitis pigmentosa may manifest over time. 3. Currently, there is no method to halt retinal degeneration in case...

[Read More] Understanding Retinal Pigmentary Changes: Concerns and Care Tips


Understanding Eye Floaters and Flashing Lights: Causes and Solutions

Floaters and related issues? Hello Doctor, I noticed flashes in the corner of my right eye and an increase in floaters over a month ago. I have the following questions: 1. Why do the flashes typically occur after turning off the lights at night? 2. I have already undergone a fund...


Dr. He Jianxian Reply:
Hello Ms. Coco: 1. Actually, these pulling flashes can also occur during the day, but due to the strong daylight, the contrast is less noticeable and is more easily overlooked. 2. This pulling sensation cannot be altered by human intervention; it must wait for the natural sepa...

[Read More] Understanding Eye Floaters and Flashing Lights: Causes and Solutions


Understanding Dark Spots in Vision: Insights on Macular Degeneration

The pinhole version has a shadow? Hello Dr. Gao, I have noticed a significant decrease in vision in my left eye in dark or indoor environments, while my right eye remains clear under the same conditions. Both eyes are clear during the day with good lighting. Today, during a pinh...


Dr. Gao Pilin Reply:
Hello, Little Orange: The black shadow around the pinhole is due to diffraction and some optical phenomena, which is normal and will disappear once removed. In cases of pigmentary retinopathy, vision may be unclear at night; however, your condition may not necessarily indicate th...

[Read More] Understanding Dark Spots in Vision: Insights on Macular Degeneration


Best Supplements for Congenital Night Blindness Management

Congenital night blindness Hello! What dietary supplements can be taken for congenital night blindness?


Dr. Gao Pilin Reply:
Hello, Green Giant: As of now, there is no highly effective treatment for congenital night blindness. However, outdoor workers can wear sunglasses to avoid excessive ultraviolet exposure, and it is advisable to regularly consume adequate amounts of vitamins A, C, and E. Foods suc...

[Read More] Best Supplements for Congenital Night Blindness Management


Does Long-Term Use of Glaucoma Medications Cause Cataracts?

Does long-term use of glaucoma medications lead to cataracts? Hello Doctor: First, let me explain my situation. I have been diagnosed with retinitis pigmentosa (night blindness and constricted visual fields), congenital nystagmus, and amblyopia since childhood, with both eyes hav...


Dr. He Jianxian Reply:
1. The glaucoma medication you are currently using should not have a risk of causing cataracts. 2. There is currently no effective treatment for pigmentary retinal degeneration, and this condition is indeed often associated with the occurrence of cataracts. As for glaucoma, there...

[Read More] Does Long-Term Use of Glaucoma Medications Cause Cataracts?


Understanding Retinal Degeneration: Symptoms, Risks, and Solutions

Retinal degeneration Hello Doctor: I have high myopia with a left eye prescription of -1075 degrees (astigmatism -150) and a right eye prescription of -1100 degrees (astigmatism -175). I also have dry eye syndrome and floaters, as well as retinal degeneration (there is a retinal ...


Dr. He Jianxian Reply:
Night blindness, aside from being caused by nutritional deficiencies (such as vitamin A deficiency), is mostly related to genetics or hereditary factors, which is why it often manifests from a young age and is less common in older individuals. For your reference, if you experienc...

[Read More] Understanding Retinal Degeneration: Symptoms, Risks, and Solutions


Syphilis and Vision Loss: Understanding Long-Term Effects and Treatment Options

Syphilis and Its Impact on Vision Loss Hello, doctor. I would like to ask about vision deterioration caused by syphilis. Although most of my vision has recovered after treatment, I still often see flashes of light, and in dim or poorly lit environments, I can hardly see anything....


Dr. He Jianxian Reply:
After reviewing the literature, it appears that the prognosis for optic nerve lesions after treatment is excellent, with few residual effects. However, it is unclear why you are experiencing a condition resembling "night blindness" in low light situations. I recommend c...

[Read More] Syphilis and Vision Loss: Understanding Long-Term Effects and Treatment Options


Understanding Night Blindness: Symptoms and Concerns

Eye problems Hello doctor, I am unable to see anything in a completely dark room; I can only see the light from the air conditioner and the fan. I would like to ask if I might be suffering from night blindness. Thank you!


Dr. Cai Wenyuan Reply:
Hello: You can visit an ophthalmology clinic for an examination, and you will have your answers. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Night Blindness: Symptoms and Concerns


Understanding Night Vision Problems in High Myopia Patients

Night vision deterioration? I have high myopia (one eye at -10.00 diopters and the other at -9.25 diopters). I have always had poor night vision and have difficulty seeing in low-light conditions. Recently, I have found it challenging to ride my bike at night, especially in areas...


Dr. Cai Wenyuan Reply:
Hello, your issue may require a medical examination. Thank you.

[Read More] Understanding Night Vision Problems in High Myopia Patients


Understanding Night Blindness: Symptoms, Causes, and When to Seek Help

Is it night blindness? Hello doctor, I have hyperopia in my right eye of +100 and astigmatism of -50, and +50 in my left eye. Since graduating from high school, whenever all the lights are turned off, I cannot see anything around me; it is completely dark. Even when wearing glass...


Dr. Gao Pilin Reply:
Hello Ning Ning: Based on your situation, it seems like you may be experiencing symptoms of night blindness. Please visit a large hospital for a detailed examination. Thank you for your message.

[Read More] Understanding Night Blindness: Symptoms, Causes, and When to Seek Help


Understanding Night Blindness: Symptoms and Causes Explained

Is there night blindness? Suddenly moving to a darker area or turning off the lights makes it difficult for me to see, while others around me can see more clearly after a while. I still struggle to see clearly, and my left eye appears blurrier than my right eye in the dark. I hav...


Dr. Gao Pilin Reply:
Hello, Awen: Sometimes refractive errors such as myopia and astigmatism can cause vision to be less clear in dark environments. If you need to confirm whether the diagnosis is night blindness, you should visit a large hospital's ophthalmology department for examinations of t...

[Read More] Understanding Night Blindness: Symptoms and Causes Explained


Is Night Blindness a Possibility? Understanding Your Symptoms

Could it be night blindness? Hello doctor, recently I tested in the bathroom (with only a slit of light coming through the door) and found that I could only see the outline of my fingers and the contours of the bathroom. Is there a high likelihood of having night blindness?


Dr. Wang Zhishun Reply:
Hello, it usually takes some time to adapt to darkness when entering a dimly lit room (the time required may vary for each individual), and it is not necessarily a sign of night blindness. If you are concerned, you can visit an ophthalmologist for an examination to confirm.

[Read More] Is Night Blindness a Possibility? Understanding Your Symptoms


Should I Get a Retina Exam for My Eye Symptoms?

Do I need to have a retinal examination? Hello, doctor. I am a patient with floaters, and my vision in both eyes is around 800-850. It's been two years. A few months ago, I noticed many suspected flashes moving around when I looked at a white wall or the sky. I feel that the...


Dr. He Jianxian Reply:
Your symptoms are definitely not night blindness; it sounds more like floaters are likely. I recommend that you visit an ophthalmologist for a dilated eye exam for safety.

[Read More] Should I Get a Retina Exam for My Eye Symptoms?


Can Long-Term Insomnia Cause Vision Changes After Laser Surgery?

Can long-term insomnia lead to vision complications after laser surgery? Dear Dr. Gao, I underwent femtosecond laser surgery for my myopia (both eyes at -6.85 diopters) on December 9, 2011. Prior to the surgery, I had mild presbyopia (+1.00 diopter). I did not follow the doctor&...


Dr. Gao Pilin Reply:
Hello: Laser surgery will not cause complications due to excessive insomnia. Regarding night blindness, please visit a larger hospital to have an electroretinogram to determine if there are any retinal disorders. Lack of sleep can lead to eye fatigue, which may exacerbate issues ...

[Read More] Can Long-Term Insomnia Cause Vision Changes After Laser Surgery?


Is Electroretinogram Testing Safe for Eye Health?

Regarding the safety of electroretinography (ERG) testing? Hello, Dr. Hu. I would like to ask if the Electroretinogram (ERG) test is safe. If there is no night blindness, will the test affect the eyes or cause any future harm? Additionally, I have a question regarding dilation. A...


Dr. Hu Yusheng Reply:
Hello: 1. The ERG test is safe. 2. Long-term exposure to sunlight should only be considered for potential UV damage, but there is currently no clear evidence confirming such harm. It is recommended to wear sunglasses and a sun hat to reduce your concerns. Wishing you safety and h...

[Read More] Is Electroretinogram Testing Safe for Eye Health?


Understanding Night Blindness: Symptoms and Self-Assessment Tips

Night blindness, also known as nyctalopia, is a condition characterized by difficulty seeing in low light or darkness. It can be caused Hello, doctor. I would like to ask how I can determine if I have night blindness. I saw a discussion online where someone mentioned that when th...


Dr. Hu Yusheng Reply:
Hello: Night blindness can range from mild to severe, and symptoms may not be evident in most cases of retinal changes. If there are no visible changes in the retina or if the symptoms are in the early stages, an electroretinogram (ERG) may be necessary for confirmation. You will...

[Read More] Understanding Night Blindness: Symptoms and Self-Assessment Tips


Eye Irritation After Shampoo Exposure: Is It a Stye or Night Blindness?

Could you please provide the content you would like me to translate? A few days ago, shampoo got into my eye, and now the symptoms resemble a stye, but there is no pus—just some redness and slight swelling (not very noticeable). Could this be a stye? Also, when I ride my bike at ...


Dr. Ke Meilan Reply:
Hello: 1. Based on your description, it should not be a stye. 2. Fear of light at night is not night blindness; it is often due to an unhealthy cornea, and you should have a detailed examination by a physician. 3. When choosing contact lenses, the primary consideration should...

[Read More] Eye Irritation After Shampoo Exposure: Is It a Stye or Night Blindness?


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