Understanding Flashing Lights in Vision: Is It Retinal Damage?
Flashes of light in the eyes? Hello Doctor: I have myopia of about 300 to 400 degrees. Since I started middle school, I've been using my eyes a lot. About a month ago, I suddenly noticed floaters in my vision, but they have since disappeared. However, tonight while staying u...
Dr. Gao Pilin Reply:
Hello: This may be flashes caused by the vitreous detachment pulling on the retina. You have high myopia, so it is recommended that you visit an ophthalmologist as soon as possible to check for any retinal issues. The ophthalmology department at Puzi Hospital in Taiwan is open: M...[Read More] Understanding Flashing Lights in Vision: Is It Retinal Damage?
Understanding Retinal Degeneration and Floaters: Key Questions Answered
Retina + Floaters Hello Doctor, I have approximately 500 degrees of myopia in both eyes. Since March, I have been experiencing floaters, and in April, I noticed flashes of light while sleeping. After a check-up, I was advised to go to the hospital, where I underwent three examina...
Dr. Gao Pilin Reply:
Hello, Xiaoyu: 1. If laser treatment is performed for prevention, will the areas that have been treated no longer have issues with holes in the future? Will regular check-ups suffice? If there are concerns about potential holes, the doctor may recommend applying laser treatment ...[Read More] Understanding Retinal Degeneration and Floaters: Key Questions Answered
Impact of Eye Conditions on Visual Field Testing Accuracy
Visual field examination Hello, Doctor: I would like to ask if during a visual field test, if one eye is covered and the covered eye can still perceive some light from the instruments through a tissue, will this affect the accuracy of the test? For the next test, would it be bett...
Dr. Gao Pilin Reply:
Hello Ms. P: Having tissue paper in place should not affect the results of the examination, as the visual field test is conducted for only one eye at a time. High myopia can inherently cause some changes in the optic nerve head, which can sometimes be difficult to differentiate f...[Read More] Impact of Eye Conditions on Visual Field Testing Accuracy
Understanding Changes in Floaters and Retinal Health After Eye Injury
Upgraded version (?) of floaters and retinal issues? Hello, doctor. I have been experiencing floaters for a long time, but after an incident where I bumped my eye, I feel that the floaters have changed a bit. I can see them not only during the day but also at night, and even when...
Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical attention.[Read More] Understanding Changes in Floaters and Retinal Health After Eye Injury
Understanding Floaters vs. Retinal Issues: Key Differences and Concerns
Consultation for Eye Disorders Hello Doctor, I am Henry, who previously consulted you regarding the floaters caused by a car accident. I apologize for reaching out again. In our last consultation (https://adoctor.tw/article/152888), you mentioned that my condition was floaters an...
Dr. Gao Pilin Reply:
Hello Henry: Floaters are characterized by seeing an indefinite number of floating black spots. Retinal degeneration can be very serious, leading to visual field loss, blurred vision, or severe flashes of light. The two conditions are quite easy to differentiate. In simple terms,...[Read More] Understanding Floaters vs. Retinal Issues: Key Differences and Concerns
Understanding Eye Drops: Long-Term Effects and Emergency Care Tips
Regarding eye drops and some minor issues? I am 31 years old, with over 700 degrees in my right eye and over 800 degrees in my left eye, and I have retinal degeneration. I have regular fundus examinations every six months, and currently, there are no major issues. However, I am a...
Dr. Gao Pilin Reply:
Hello, Hsuan: EYEHELP (EYE DROPS 0.01%) is a muscle relaxant, while Better EYE DROPS 0.5% is a short-acting mydriatic agent. Both are intended to help your eyes rest. Please use them according to your physician's instructions. Long-term use has minimal side effects. If you...[Read More] Understanding Eye Drops: Long-Term Effects and Emergency Care Tips
Post-Laser Eye Surgery: Common Concerns and Recovery Insights
Both eyes underwent laser treatment due to retinal thinning. Post-operative related questions? A week ago, I visited an ophthalmologist due to persistent blurred vision in my left eye. After a dilated examination of both eyes, it was found that there was retinal degeneration (thi...
Dr. Gao Pilin Reply:
Hello Winnie, Q1. It is common to experience muscle tightness, dryness, and elevated intraocular pressure after laser treatment. Is this normal? Could it be related to emotional stress? The laser procedure itself is likely not related to these symptoms; they may be more associat...[Read More] Post-Laser Eye Surgery: Common Concerns and Recovery Insights
Understanding Physiological Blind Spots and Visual Distortions
Questions about physiological blind spots? My left eye has a prescription of nearly 800 to 900, while my right eye is 750. I have a significant number of floaters in both eyes, which has been a longstanding issue. I have been taking lutein for over a year, and during my annual he...
Dr. Gao Pilin Reply:
Hello, Hsuan: The blind spot refers to an area where no visual information is perceived. Are you referring to the regions surrounding the blind spot? The blind spot is located at the optic nerve head, and in cases of high myopia, there may be some traction or undulation of the re...[Read More] Understanding Physiological Blind Spots and Visual Distortions
Impact of Vitreous Opacity and Dental Cleaning on Eye Health
Does vitreous opacity affect the eyes after dental cleaning? Dear Director Gao, I apologize for the interruption. My left eye underwent scleral buckle surgery for retinal detachment in 2007, caused by high myopia. I had cataract phacoemulsification surgery on both eyes in June l...
Dr. Gao Pilin Reply:
Hello Benjamin, 1. Is there a chance for my left eye's vision to recover to at least 0.4? After undergoing laser treatment for secondary cataracts, vision should improve. If there is no improvement, we need to consider several factors. The most important factors are high my...[Read More] Impact of Vitreous Opacity and Dental Cleaning on Eye Health
Understanding Floaters: Eye Health, Symptoms, and Management Tips
Floaters and Fundus Examination Hello Doctor: I am 26 years old, with myopia of -7.75 diopters in my left eye and -6.50 diopters in my right eye (both eyes have astigmatism below 25 degrees). After graduating from university, I have been working long hours on the computer for abo...
Dr. He Jianxian Reply:
1. No, it won't. 2. Judging by the duration, it doesn't seem like it; it resembles an afterimage more. 3. Avoid lifting things suddenly with force; slowing down has less impact on the eyes. 4. This requires self-adjustment.[Read More] Understanding Floaters: Eye Health, Symptoms, and Management Tips
Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
After seeing red light in the dark, the eyes immediately perceive a cyan-green afterimage, along with conjunctivitis and retinal issues? Hello, I have high myopia. I just had an eye examination in March of this year (which included OCT and slit lamp examination of the retina). Th...
Dr. He Jianxian Reply:
1. Afterimages are a normal phenomenon and should not be a cause for concern. 2. It may feel like floaters. 3. I cannot answer without knowing what you are describing. 4. Conjunctivitis and eye discharge are not significantly harmful to the eyes, but they can cause discomfo...[Read More] Understanding Visual Disturbances: Shadows, Afterimages, and Conjunctivitis
Understanding Laser Eye Damage: Symptoms and Risks Explained
Laser injury Hello Doctor: I would like to ask a question, as there is not much information available online regarding this issue. If someone were exposed to a green laser with a power of 1-5 mW, is it possible for them to see numerous faint flickering white spots (that are stati...
Dr. Gao Pilin Reply:
Hello Winnie the Pooh: Lasers can cause retinal damage, but a sufficient energy level is required; exposure to 1-5 mW should pose minimal risk. Retinal lasers operate at much higher energy levels and need to be focused to cause burns. Furthermore, after a burn, there will be a bl...[Read More] Understanding Laser Eye Damage: Symptoms and Risks Explained
Understanding High Myopia: Symptoms, Risks, and Treatment Options
Case of suspected pathologies associated with high myopia? Hello Doctor: Recently (for almost three months), I have been experiencing a multitude of transparent white spots or black shadows flickering in my field of vision (they are more noticeable in a dark room or against a sin...
Dr. Gao Pilin Reply:
Hello, Genghis Khan VI: If the fundus examination shows no significant lesions, this condition may be related to issues with the vitreous body. Laser treatment does not cause axial elongation-related lesions, but it can lead to retinal damage, so it is essential to wear protectiv...[Read More] Understanding High Myopia: Symptoms, Risks, and Treatment Options
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 Floaters: When to Worry About Eye Health Issues
Vitreous floaters and flashes? Hello, doctor. I would like to inquire about my concerns regarding floaters. I have had floaters for five years, with myopia in both eyes of 500-600 degrees and astigmatism of 1-200 degrees. When they first appeared five years ago, I had an eye exam...
Dr. Cai Wenyuan Reply:
Hello, 1. It can also be considered as floaters. 2. There is no such terminology. 3. Seek medical examination. Wishing you peace, health, and well-being. Sincerely, Dr. Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.[Read More] Understanding Floaters: When to Worry About Eye Health Issues
Understanding Vision Changes After Cataract Surgery: Is It Lens Displacement?
Suspected displacement of the intraocular lens? Hello Doctor: I would like to ask a question regarding my condition. 1. I have high myopia in both my right and left eyes. I underwent cataract surgery and had a bilateral aspheric intraocular lens (IOL) implanted in June and Octo...
Dr. Cai Wenyuan Reply:
Hello, it is suspected that there is a displacement of the intraocular lens. I apologize, but an actual examination is necessary to determine this. Wishing you peace and good health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital,...[Read More] Understanding Vision Changes After Cataract Surgery: Is It Lens Displacement?
Understanding Retinal Degeneration: Eye Movement and Light Perception Risks
When moving the eyeball in the dark with the right eye, there is a perception of light around the visual field? Hello, Dr. Tsai. I have a few questions I would like to ask, and I would appreciate your responses. To provide some background, my current situation is as follows: I ha...
Dr. Cai Wenyuan Reply:
Hello, the probability of failure in laser surgery is low; however, if the hole is too large and the tension is too strong, there is a risk of retinal detachment. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Genera...[Read More] Understanding Retinal Degeneration: Eye Movement and Light Perception Risks
Understanding Floaters, Flashes, and Amsler Grid Distortions in Vision
Amaurosis fugax, floaters, flashes? Good evening, I apologize for disturbing you during your busy schedule. First of all, thank you very much for taking the time to answer my questions. I have floaters in my vision and just finished an appointment with an ophthalmologist today, b...
Dr. He Jianxian Reply:
1. When examining the Amler's grid, please test without using dilating drops. 2 & 3. If there are no issues found during the dilated examination, there is generally no need for concern. 4. You can basically do whatever you like, and it will not affect your eye health. I ...[Read More] Understanding Floaters, Flashes, and Amsler Grid Distortions in Vision
Understanding Floaters and Flashes: When to Seek Eye Care
Floaters and flashes? Hello Doctor: I work in an environment where I stare at a computer for at least eight hours a day, and I am a high myopia and floaters patient. Often, when I wake up, I see wavy patterns or visual snow. When looking out the car window, I sometimes notice sym...
Dr. Cai Wenyuan Reply:
Hello, at the beginning of this month, I had a routine fundus examination, and the doctor said everything is normal. It may be symptoms of eye degeneration or floaters, and I should observe for a while and have regular check-ups. Wishing you peace and health. Sincerely, Dr. Tsai ...[Read More] Understanding Floaters and Flashes: When to Seek Eye Care
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