Does Blue Light Really Cause Macular Degeneration?
Does blue light cause macular degeneration? Doctor, I recently saw in the news that blue light does not cause macular degeneration. Is this true?
Dr. Cai Wenyuan Reply:
There is no clear evidence that blue light causes macular degeneration, but it is still advisable to limit the use of electronic devices and allow your eyes to rest more often.[Read More] Does Blue Light Really Cause Macular Degeneration?
Understanding Floaters and Retinal Health: Key Questions Answered
Floaters and related issues? Thank you, doctor, for your response. I would like to ask the doctor the following questions: 1. What lifestyle habits or bad habits have a greater impact on retinal diseases? 2. Regarding the increase in floaters (such as spots), does a slight incr...
Dr. Gao Pilin Reply:
Hello Hank: 1. What bad habits or hobbies in daily life have a greater impact on retinal diseases? Answer: Excessive eye strain (overuse of electronic devices), exposure to ultraviolet rays, and blue light can significantly harm the retina. 2. Does a slight increase in floate...[Read More] Understanding Floaters and Retinal Health: Key Questions Answered
Addressing Severe Myopia and Astigmatism: Seeking Non-Surgical Solutions
A bunch of questions? Hello Doctor: I have been nearsighted for a long time. A few years ago, I got my glasses from a professional optical store, but they did not include astigmatism correction due to comfort considerations. My astigmatism is quite severe, and my nearsightedness ...
Dr. Cai Wenyuan Reply:
Hello, please reduce the use of electronic devices and allow your eyes to rest more. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Addressing Severe Myopia and Astigmatism: Seeking Non-Surgical Solutions
Understanding Corneal Dystrophy: Impact of Blue Light and Patient Education
The relationship between corneal dystrophy and blue light, as well as educational issues? Hello, Doctor. As an assistant at a dental clinic, I have seen the blue light from the light-curing machine (which is used to harden dental fillings). After that, during an eye examination, ...
Dr. Gao Pilin Reply:
Hello, Yuanzi: 1. Will exposure to blue light worsen this condition? Answer: It should not, as this blue light is likely just LED blue visible light. 2. What factors might increase or decrease the appearance of spots? Answer: If there is corneal abrasion, keeping the cornea m...[Read More] Understanding Corneal Dystrophy: Impact of Blue Light and Patient Education
Understanding Vitreous Liquefaction: Symptoms, Causes, and Management Tips
The visual field shows a dense array of bright spots (vitreous liquefaction with retinal traction)? Hello Doctor: I have high myopia of over 600 degrees in both eyes. In the past two months, I have noticed numerous tiny transparent white spots in front of both eyes. After examina...
Dr. Cai Wenyuan Reply:
Hello: 1. It is also possible. 2. Yes. 3. It should not be the case. 4. Blue light is not related to the elongation of the eyeball. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Vitreous Liquefaction: Symptoms, Causes, and Management Tips
Understanding the Irreversibility of Dry Eye Syndrome: Key Insights
What does irreversible dry eye syndrome refer to? Thank you for taking the time to read this letter; I hope it doesn't cause any inconvenience. I am a recent graduate, and my tear film breakup time test showed a score of 0. I have tried using humidifiers, blue light glasses,...
Dr. Cai Wenyuan Reply:
Hello, reducing eye strain and taking more breaks, along with getting sufficient sleep, may lead to improvements. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding the Irreversibility of Dry Eye Syndrome: Key Insights
Understanding and Managing Floaters: Eye Health Tips for Computer Users
Floaters issue? Hello, doctor. I have been experiencing floaters for many years, but the symptoms were not severe until recently. Due to my work, I need to use the computer for long hours every day, and the appearance of the floaters has increased significantly and become more pr...
Dr. Cai Wenyuan Reply:
Hello: Use fewer electronic devices, give your eyes more rest, and have regular check-ups. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding and Managing Floaters: Eye Health Tips for Computer Users
Can Alcohol Damage Eyeglass Lenses and Screens? Key Insights
Is it safe to clean eyeglass lenses with rubbing alcohol? Using alcohol to spray and wipe the lenses of glasses can cause the coating to peel off. If the lenses are equipped with blue light blocking technology, the blue light will not evaporate as a result of using alcohol. As ...
Dr. Liang Ce Reply:
Wiping lenses with alcohol will not cause delamination.[Read More] Can Alcohol Damage Eyeglass Lenses and Screens? Key Insights
Can Facial X-Rays Cause Cataracts? Understanding Eye Health Risks
Facial X-rays can cause cataracts? Hello Dr. Tsai, I recently had an eye examination, and both of my eyes showed no myopia, but I was diagnosed with a slight cataract. I was a bit shocked since I am only thirty years old. The doctor mentioned that my condition is in the anterior...
Dr. Cai Wenyuan Reply:
Hello, facial X-rays do not cause cataracts. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Can Facial X-Rays Cause Cataracts? Understanding Eye Health Risks
Post-Cataract Surgery: Choosing the Right Glasses and Vision Concerns
Post-cataract surgery eyewear issues? Hello Doctor: I underwent cataract surgery on my left eye in August 2018 and on my right eye at the end of September. I had laser treatment at the end of October due to my preoperative high myopia, with my left eye measuring -10.00 diopters a...
Dr. Liang Ce Reply:
Question 1: It is recommended that you consult your ophthalmologist regarding any questions related to wearing glasses. Question 2: It is advisable to give your eyes more rest. Question 3: It is suggested that you ask your ophthalmologist about any postoperative concerns, as each...[Read More] Post-Cataract Surgery: Choosing the Right Glasses and Vision Concerns
Understanding Eye Symptoms: From Floaters to Dry Eye Concerns
Feeling exhausted from living? Hello doctor, I have been experiencing floaters for over two years. Recently, I've noticed some unusual symptoms in my eyes, such as seeing dots, straight lines, or zebra-like patterns. After staring for a moment, I often see overlapping light ...
Dr. He Jianxian Reply:
1. Symptoms that can be alleviated by blinking or resting are likely not a major concern. 2. Many of your questions cannot be clearly addressed, so I recommend that you visit an ophthalmologist in person for a more appropriate evaluation.[Read More] Understanding Eye Symptoms: From Floaters to Dry Eye Concerns
How Nighttime Phone Use Affects Your Eye Health
Eye problems Hello, doctor. What kind of damage or potential diseases can using a smartphone in the dark cause to the eyes? Does blue light from the phone harm the eyes? Thank you for your response.
Dr. Cai Wenyuan Reply:
Hello, the contrast of light is too strong; using a mobile phone or watching TV in the dark is not good for the eyes. Wishing you safety and health. Sincerely, Dr. Cai Wenyuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] How Nighttime Phone Use Affects Your Eye Health
Understanding Eye Symptoms: Are You Experiencing Glaucoma Signs?
Not quite sure if I have glaucoma? Hello doctor, I have floaters in my vision, but recently I've noticed that when I see car headlights or other bright lights, I sometimes see bright flashes of light that disappear after I blink. Additionally, in the mornings when I wake up ...
Dr. He Jianxian Reply:
The symptoms you described appear to be a normal visual afterimage phenomenon, which is different from floaters, and there is no need for concern.[Read More] Understanding Eye Symptoms: Are You Experiencing Glaucoma Signs?
Understanding Eye Strain: Symptoms and Solutions for Digital Fatigue
I hope that in my life, I will never play with my phone again? Hello, doctor. I have been experiencing floaters for about one to two years. Recently, I have noticed that my eyes feel more fatigued and dry, and when I lack sleep, I sometimes see blue light when I wake up and blink...
Dr. He Jianxian Reply:
Staring at light for an extended period can cause an afterimage, which is a normal phenomenon of visual persistence. Additionally, using air conditioning or a fan can accelerate the evaporation of tears, leading to discomfort, and should be avoided.[Read More] Understanding Eye Strain: Symptoms and Solutions for Digital Fatigue
Can You Dive and Skydive with High Myopia and Astigmatism?
High myopia and astigmatism in sports (skydiving) Hello Doctor: I have myopia of -700 degrees and astigmatism of -200 degrees in both eyes. I am considering learning freediving, with depths of about 16 meters. I would like to ask: 1. Is my prescription suitable for this activity?...
Dr. Cai Wenyuan Reply:
Hello, a myopia of 700 degrees with astigmatism of 200 degrees is still within a common range and should allow for participation in general activities. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital,...[Read More] Can You Dive and Skydive with High Myopia and Astigmatism?
Understanding Prescription Glasses: Key Questions About Vision Care
Optometry and Prescription Issues Hello, doctor. Today I went to an optical center for an eye exam. The refractor indicated a prescription of -1600, but during the final fitting, I was given lenses for both eyes around -1400. Although I can see quite clearly, my visual acuity on ...
Dr. Cai Wenyuan Reply:
Hello, if you have any concerns, you may want to visit an ophthalmology clinic or hospital for a re-evaluation. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Prescription Glasses: Key Questions About Vision Care
Does Wearing Glasses Worsen Myopia? Debunking Common Myths
Will wearing glasses worsen my nearsightedness? I was diagnosed with myopia of 150 degrees around the sixth grade. After graduating from junior high school, I stopped wearing glasses. Now, in my junior year of college, I need to use a computer for extended periods due to my major...
Dr. Cai Wenyuan Reply:
Hello, there is no such statement. Wishing you peace, health, and well-being. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Does Wearing Glasses Worsen Myopia? Debunking Common Myths
Understanding Vision Issues After Switching to New Glasses
Eye problems Hello, doctor. I just got a new pair of glasses, but they don't seem very clear. However, when I tilt the glasses, the vision becomes clearer. I switched to blue light blocking lenses and opted for thinner lenses. My myopia is approximately -6.00 in both eyes, a...
Dr. Cai Wenyuan Reply:
Hello, it's hard to say; it's best to get a medical examination. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.[Read More] Understanding Vision Issues After Switching to New Glasses
Understanding Floaters: Symptoms, Concerns, and Management Tips
Floaters are really annoying? Hello, Doctor. I previously mentioned some issues, and I have a few more questions. I've noticed that when I look at bright lights, such as car headlights, and then turn my eyes away, I still see the bright light for a while before it returns to...
Dr. Cai Wenyuan Reply:
Hello: There are actually quite a few people with floaters, so there's no need to worry too much. 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 Floaters: Symptoms, Concerns, and Management Tips
Understanding Floaters: Symptoms, Concerns, and Management Tips
Floaters are really annoying? Hello Doctor, I mentioned some issues last time, and I have a few more questions. Recently, I've noticed that when I look at bright lights, like car headlights, and then turn my eyes away, I still see the bright light for a while before it retur...
Dr. Cai Wenyuan Reply:
Hello, how can I prevent my floaters from worsening? Avoid excessive eye strain, reduce the use of electronic devices, have regular check-ups, and try to coexist with them peacefully so they become less bothersome. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Dire...[Read More] Understanding Floaters: Symptoms, Concerns, and Management Tips