Understanding Retinal Issues: Blue and Purple Patterns in Vision
Retinal issues Hello, Doctor. I have a question. Sometimes when I wear my glasses to read or attend class (my glasses have some blue light and UV protection), I notice blue or purple circles or lines when looking at blank spaces on the page. Is this related to retinal degeneratio...
Dr. Cai Wenyuan Reply:
Hello, regular check-ups are sufficient. Thank you. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Retinal Issues: Blue and Purple Patterns in Vision
Understanding Blue Light Effects on Vision and Retinal Health
Retinal issues, blue light? Hello, Doctor. I wear glasses that filter out some blue light and ultraviolet light. Is it normal to see some blue light spots while wearing them? Also, when I read for a long time or look at my phone, I notice purple light streaks in my peripheral vis...
Dr. Cai Wenyuan Reply:
Hello, the retina is still a bit thin, but it has not worsened and is under control. Regular check-ups are sufficient. Thank you. Wishing you peace and health. Sincerely, Dr. Cai Wenyuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Blue Light Effects on Vision and Retinal Health
Understanding Retinal Degeneration: FAQs on Lutein, Blue Light, and Treatment Options
Retinal degeneration Hello, Doctor. I have some questions to ask, and I would appreciate it if you could take the time to answer them. Thank you very much. 1. Is supplementing with lutein helpful for retinal degeneration? 2. Does blue light from mobile phones worsen retinal deg...
Dr. Cai Wenyuan Reply:
Hello, 1. If there is thinning of the peripheral retina, it cannot be improved with lutein. 2. Try to minimize screen time. 3. If necessary, health insurance covers the costs. Wishing you peace and health, Director of Ophthalmology, Taoyuan General Hospital, Ministry of H...[Read More] Understanding Retinal Degeneration: FAQs on Lutein, Blue Light, and Treatment Options
Understanding Retinal Thinning: Causes, Symptoms, and Concerns for Myopia
I would like to inquire about the condition of retinal thinning? Hello, Dr. Tsai! I have high myopia, with my left eye at -600 and my right eye at over -900. Last week, I underwent a dilated eye examination at a nearby hospital, where they diagnosed me with retinal thinning. Howe...
Dr. Cai Wenyuan Reply:
Hello: There is no need to worry too much. Limit the use of electronic devices and have regular check-ups. Wishing you peace and good health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Retinal Thinning: Causes, Symptoms, and Concerns for Myopia
Managing Retinal Degeneration: Tips for Eye Health and Protection
Eye problems Hello doctor, I recently visited an ophthalmologist again, and the doctor said that my right eye still has retinal degeneration. What should I do? Would wearing anti-blue light and UV-blocking glasses help?
Dr. Cai Wenyuan Reply:
Hello, retinal degeneration likely refers to a phenomenon caused by myopia, and regular follow-up is sufficient. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Managing Retinal Degeneration: Tips for Eye Health and Protection
Is Directly Looking at Blue Light Reflections Harmful to Your Eyes?
Direct observation of blue light filter lens reflection? Hello Doctor: I feel that my blue light filtering glasses seem to be worn out, so I turned the glasses around and checked the lens surface that is usually on the outside under an LED light. I ended up staring at the reflect...
Dr. He Jianxian Reply:
In such a short period of time, it is unlikely to cause damage to the macula under weak lighting conditions, so there is no need for concern.[Read More] Is Directly Looking at Blue Light Reflections Harmful to Your Eyes?
Does Proximity to Screens Increase Blue Light Damage to Eyes?
Is there a relationship between blue light and distance? My sister had me look at my phone in a dark environment and at a very close distance (about the length of a thumb). I opened my eyes for less than a second before quickly averting my gaze. I would like to know if looking at...
Dr. Cai Wenyuan Reply:
Hello, it should not be a problem. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Does Proximity to Screens Increase Blue Light Damage to Eyes?
Understanding Visual Disturbances: A Guide to Amsler Grid Testing
Yellow spot and light spot? Hello Doctor: 1. I recently performed a self-test using the Amsler grid. There are no abnormalities in my left eye, but I noticed some issues with my right eye. When I focus on the center point of the grid with my right eye, there are no issues for t...
Dr. He Jianxian Reply:
If there is indeed a problem with the eyes, abnormalities on the Amsler grid will appear immediately and will not take a few seconds to manifest, nor will there be any instances of abnormalities disappearing. This is for your reference![Read More] Understanding Visual Disturbances: A Guide to Amsler Grid Testing
Understanding Eye Fatigue: Causes, Symptoms, and Treatment Options
Eye fatigue Hello, Doctor: I would like to ask you a few questions. 1. I have myopia of about 600 degrees in both eyes, and recently I've started to experience eye strain. I'm worried that my myopia might be worsening. However, I can still see well with my 425-degree ...
Dr. Cai Wenyuan Reply:
Hello, the prescription for glasses should be determined by a physician, as an inappropriate prescription can lead to eye strain. Anti-blue light lenses are not related to the progression of myopia. The eye drops you mentioned have no direct relation to glaucoma. Wishing you safe...[Read More] Understanding Eye Fatigue: Causes, Symptoms, and Treatment Options
Understanding Blue Light Perception and Glaucoma Symptoms
Blue light from lighting peripherals Hello Doctor: I was recently diagnosed with glaucoma, but I still have some questions that my treating physician did not address. 1. When I look at bright lights (especially very bright ones), I notice a blue halo around the edges of the lig...
Dr. He Jianxian Reply:
Your intraocular pressure is currently within the normal range. Unless there is further deterioration in the visual field examination, there is no need for additional measures to lower the eye pressure. As for the blue light you are seeing, it is likely unrelated to glaucoma. How...[Read More] Understanding Blue Light Perception and Glaucoma Symptoms
Seeing Blue Spots When Eyes Are Closed: Is It Related to Floaters?
Seeing halos when closing the eyes? I wonder if doctors have encountered a situation where, while lying down with eyes closed (usually more noticeable during the day), there are often blue light spots (a cluster) that flicker and continuously approach. These disappear when the ey...
Dr. Cai Wenyuan Reply:
Hello, this is a type of photopsia, which can also be considered a symptom of floaters. It is advisable to seek medical examination. Wishing you health and safety. Sincerely, Dr. Cai Wenyuan, Director of Ophthalmology, Taoyuan Hospital, Ministry of Health and Welfare.[Read More] Seeing Blue Spots When Eyes Are Closed: Is It Related to Floaters?
Understanding Glaucoma: Eye Pressure, Nerve Health, and Safety Concerns
Glaucoma examination Hello, doctor. Recently, I've been experiencing eye strain and some discomfort in the back of my head. I'm concerned it might be glaucoma, so I went to the hospital for an examination. I have high myopia, approximately -7.00 diopters. My intraocular...
Dr. He Jianxian Reply:
1. In high myopia, the optic nerve itself can undergo changes, making it difficult to determine if there are any pathological alterations. If your doctor suspects you may have glaucoma, they will likely schedule a visual field test for you. 2. The fundus examination typically doe...[Read More] Understanding Glaucoma: Eye Pressure, Nerve Health, and Safety Concerns
Understanding Retinal Exams for Floaters and Macular Health
Retinal examination for floaters? Hello Doctor, thank you for your previous response. After the examination for my photopsia symptoms, the clinic doctor said there was no issue, so I gradually stopped paying attention to it. However, the doctor mentioned it could be due to excess...
Dr. Gao Pilin Reply:
Hello, Student Chen: 1. First, the issue of flashes is generally not caused by the macula. Regular examinations of the retina can reveal changes in the macula. 2. It is not significantly related to fatigue. 3. Blue light filtering is likely unnecessary, but ultraviolet light fil...[Read More] Understanding Retinal Exams for Floaters and Macular Health
Understanding Vitreous Detachment: Symptoms and Concerns for High Myopia
Flashes caused by vitreous traction on the retina? Hello Doctor, I am highly myopic (approximately 800 degrees after dilation) and have recently started experiencing floaters over the past few months. I would like to ask you the following questions: 1. One of the floaters, whic...
Dr. Cai Wenyuan Reply:
1. If there are changes in floaters, it is still recommended to seek medical evaluation. 2. It is difficult to determine from the pattern of flashes. 3. Possible. 4. Not necessarily, depending on the size of the retinal tear. 5. Very few. Thank you.[Read More] Understanding Vitreous Detachment: Symptoms and Concerns for High Myopia
Experiencing Light Flashes While Jogging at Night: What to Know
During an evening jog, I experienced visual flashes? Hello, Doctor. I have a question regarding my eyes. I have high myopia, with both eyes at -6.50 diopters and astigmatism ranging from -1.25 to -2.00. I work on a computer and spend long hours staring at the screen, and I wear s...
Dr. Gao Pilin Reply:
Hello, Mr. Shi: This phenomenon should still be related to issues with the retina or optic nerve; however, it is not possible to draw a conclusion from the description provided. I recommend that you visit a major hospital's ophthalmology or neuro-ophthalmology department for...[Read More] Experiencing Light Flashes While Jogging at Night: What to Know
Does Blue Light Really Cause Cataracts? Understanding Its Effects on Eye Health
The Harm of Blue Light Is it true that blue light can cause cataracts, especially for someone who already has a fear of blue light? Are there any early signs of cataracts? If I continuously look at screens without breaks, can excessive blue light exposure lead to aging and visibl...
Dr. Gao Pilin Reply:
Hello Nana: Currently, there is no evidence that blue light causes eye damage. Some degree of cataract can lead to blurred vision; however, mild cataracts may go unnoticed by the individual. Please refer to: https://youtu.be/hp7YaHW8f-U Taiwan e-Hospital Puzi Hospital Ophthalmolo...[Read More] Does Blue Light Really Cause Cataracts? Understanding Its Effects on Eye Health
Understanding Eye Pain: Symptoms and Possible Causes
My eyes hurt a lot? Hello doctor, I have been experiencing sharp, needle-like pain in my eyes for the past month, along with some persistent floaters. Sometimes when I wake up in the morning or just before going to sleep at night, I see flashes of light. Occasionally, in well-lit...
Dr. Gao Pilin Reply:
Hello: The examination for floaters should indicate that there are no issues with the retina. The blue frame and lenses may be related, so I suggest you check with an optical store. There are many causes for eye discomfort, with the most common being conjunctivitis or fatigue. Si...[Read More] Understanding Eye Pain: Symptoms and Possible Causes
Do LED Desk Lamps Harm Your Eyes? Understanding Blue Light Risks
Do LED desk lamps harm the eyes? Hello, doctor. I would like to ask about the prevalence of LED desk lamps on the market. Does the blue light emitted by LEDs harm the eyes?
Dr. Gao Pilin Reply:
Hello, Tianhai: No worries, please rest assured. The Ophthalmology Department of Puzi Hospital in Taiwan is open from Monday to Friday, 8:00 AM to 12:00 PM, and Wednesday afternoon from 1:00 PM to 4:30 PM. Online responses are for reference only; if necessary, you should visit a ...[Read More] Do LED Desk Lamps Harm Your Eyes? Understanding Blue Light Risks
Understanding Eye Issues: Floaters, Pain, and Vision Concerns
Eye problems? Hello, doctor! Thank you for your help again! First of all, I still have floaters, and the quantity hasn't changed. However, when I look in darker areas, I experience a lot of stinging and dryness in my eyes, and sometimes I see black, blue, or other colored sp...
Dr. Gao Pilin Reply:
Hello, junior high school student: 1. The impact of retinal detachment depends on its location; if it occurs in the peripheral area, it is less likely to affect vision. However, if it affects the macula, it will impact vision. 2. There is no immediate benefit. 3. It is not very...[Read More] Understanding Eye Issues: Floaters, Pain, and Vision Concerns
Can Posterior Capsule Fibrosis Increase Myopia After Eye Surgery?
The symptoms of fibrous cell proliferation in the posterior capsule of the lens can lead to an increase in myopia? Hello Dr. Wang, I am 45 years old. Twelve years ago, I underwent laser surgery for myopia. Originally, I had 1000 degrees of myopia and 400 degrees of astigmatism in...
Dr. Wang Zhishun Reply:
Hello, 1. Fibrocellular proliferation occurs in the posterior capsule of the lens (secondary cataract), which may lead to an increase in myopia. 2. The refractive error after Nd-YAG laser treatment may vary, but vision should improve.[Read More] Can Posterior Capsule Fibrosis Increase Myopia After Eye Surgery?