Understanding Eye Symptoms: Flashing Lights and Sounds Explained
Follow-up question #175222 Eye inquiry consultation? Dear Dr. Gao, Thank you very much for your personal response in the consultation regarding eye questions #175222. I have greatly benefited from your insights. I still have some questions I would like to ask you: 1. When I loo...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1-1 The flashes may be caused by the vitreous pulling on the retina, while the sound cannot be determined. 1-2 The duration of the flashes varies from person to person, and there is no average time. 3. It is recommended that if your examination shows no issu...[Read More] Understanding Eye Symptoms: Flashing Lights and Sounds Explained
Understanding Eye Symptoms: Questions About Retinal and Vitreous Issues
Eye Consultation Inquiry Dear Dr. Gao, I have a few questions as follows: 1. In a situation where the head is not turning, when I look to the right with my eyes to the limit, I hear a "pop" sound similar to an electrical short circuit and see a flash of white light. T...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1-1 Most of the time, it's like this, but it's hard to be certain. Especially if there is sound, usually there isn't. 1-2 It might be due to the specific angle causing the tension. 2. It's difficult to determine; it may be more related to...[Read More] Understanding Eye Symptoms: Questions About Retinal and Vitreous Issues
Post-Retinal Surgery: Understanding Eye Pressure Measurements and Risks
Post-retinal surgery I underwent right eye retinal detachment repair surgery with vitrectomy on February 5. My follow-up medical records show that on January 27, the average intraocular pressure (IOP) of my right eye was 14.4 mmHg. Postoperatively, on February 17, the average IOP...
Dr. Gao Pilin Reply:
Hello David: 1. Measuring intraocular pressure should not cause retinal detachment. 2. It is not possible to determine if there was improper technique. The inability to obtain a reading may be due to poor corneal condition or excessively high intraocular pressure.[Read More] Post-Retinal Surgery: Understanding Eye Pressure Measurements and Risks
Sudden White Light and Sounds When Closing Eyes: Causes and Concerns
Sudden flashes of white light when closing your eyes at night could be a phenomenon known as "phosphenes." These are visual sensations that occur without light actually entering the eye, often caused by pressure on the retina or spontaneous activity in the visual system...
Dr. Gao Pilin Reply:
Hello Mr. Wu: This may be an electrical response of the retina. Since silicone oil has been injected, it should be more stable. However, if you are still concerned, it would be best to have it checked.[Read More] Sudden White Light and Sounds When Closing Eyes: Causes and Concerns
Morning Eye Symptoms: Are They Floaters or Retinal Detachment?
My eyes feel strange right after waking up? Recently, when I wake up in the morning and go to the bathroom, I feel like there is a transparent droplet sliding down from the upper part of my left eye and another droplet sliding up from the lower part of my right eye. This only hap...
Dr. Gao Pilin Reply:
Hello Ms. Wang: There are no issues at other times, which may indicate symptoms similar to floaters. It is possible that objects within the vitreous are moving. It is advisable to have an examination.[Read More] Morning Eye Symptoms: Are They Floaters or Retinal Detachment?
Understanding Subtle Flickering on White Screens: Causes and Concerns
Looking at a white wall or screen may cause a sensation of very subtle flickering? Hello Doctor, as the title suggests, currently when I look at a white screen background or wall for a long time, I notice a very subtle flickering. For example, in a PowerPoint presentation, the wh...
Dr. Gao Pilin Reply:
Hello, Xiang: It should be a posterior image, especially with a bright white background, which makes this phenomenon more likely to occur. It is a physiological phenomenon.[Read More] Understanding Subtle Flickering on White Screens: Causes and Concerns
Understanding Visual Phenomena When Sleeping with Eyes Closed
When you close your eyes to sleep, you may experience visual imagery? Hello Doctor: I have floaters, and after a dilated eye exam, my retina was found to be normal. However, when I close my eyes at night to sleep, I see images that keep moving, including many people, landscapes w...
Dr. He Jianxian Reply:
The images you are seeing are not presented by the visual system. I cannot provide an answer, as this may fall more into the realm of illusions. I recommend consulting a neurologist or a psychiatrist for further evaluation. This is for your reference. Dr. He Jianxian, Ophthalmolo...[Read More] Understanding Visual Phenomena When Sleeping with Eyes Closed
Understanding Floaters and Retinal Holes: Expert Insights and Guidance
Regarding floaters and retinal tears? Hello Doctor: A few months ago, I discovered floaters in my vision. During this time, I visited different clinics for dilated eye examinations. Initially, several doctors said there were no tears, until the last one found a tear at the six o&...
Dr. Gao Pilin Reply:
Hello Ms. Chen: 1. I apologize for not being able to see it, so I cannot make a judgment. If you truly cannot decide, I recommend getting an examination at a hospital with a retina department. 2. Sometimes, issues at the peripheral areas are harder to detect, which can lead to s...[Read More] Understanding Floaters and Retinal Holes: Expert Insights and Guidance
Understanding Color Perception Differences in Your Eyes
Eye problems Hello Doctor: I recently noticed that the colors I see with each eye are different; one eye has a warmer tone while the other has a cooler tone. Could you please tell me what might be wrong with my eyes? Thank you.
Dr. Gao Pilin Reply:
Hello: It is possible that this is simply the way you are, meaning it could be innate. This may be due to a difference in the number of photoreceptor cells in the retina between your two eyes, and you might be particularly sensitive to colors. It could also be due to a difference...[Read More] Understanding Color Perception Differences in Your Eyes
Understanding Night Vision Issues: Causes and Solutions for Blurred Vision
Vision problems Hello Doctor, recently when I am outside at night, I feel that the halos around streetlights are very pronounced, and buildings appear darker and less clear than before (it gets better when I block the streetlight). When I ride my bike at night, everything seems n...
Dr. Gao Pilin Reply:
Hello: Based on your description and the doctor's examination, it should not be night blindness. Astigmatism can affect night vision, so you might want to try wearing glasses to see if it improves. Of course, eye strain can also have an impact. Take more breaks and see if it...[Read More] Understanding Night Vision Issues: Causes and Solutions for Blurred Vision
Understanding Temporary Eye Shadows After Screen Use: What You Need to Know
After looking at my phone, I suddenly saw a shadow in front of my eyes? After looking at my phone and preparing to rest, I noticed a dark spot in the lower right corner of my right eye, but it only appeared at a certain angle. After about 10 minutes, the dark spot slowly disappea...
Dr. Gao Pilin Reply:
Hello Mr. Huang: If it is a retinal issue, the symptoms would not disappear, so it is likely not that. It could possibly be floaters or afterimages.[Read More] Understanding Temporary Eye Shadows After Screen Use: What You Need to Know
Understanding Glare Issues After Vitreous Detachment: Causes and Solutions
Glare issues Hello, I developed floaters two months ago and had my retina examined after dilation, which showed no issues. However, I have recently started experiencing glare at night (which I didn't have before). My myopia in both eyes is approximately -3.50 diopters. I wou...
Dr. Gao Pilin Reply:
Hello Miss Lin: Typically, issues with the vitreous body do not cause glare. Problems related to refractive errors, the cornea, or the lens are more likely to result in such symptoms. It is advisable to have an eye examination.[Read More] Understanding Glare Issues After Vitreous Detachment: Causes and Solutions
Understanding Purple Flashes in Vision: A Guide for Eye Health
The appearance of purplish-red flashes in the eyes? Hello, doctor. I have floaters in my vision. My left eye has a myopia of -4.00 diopters with 75 degrees of astigmatism, while my right eye has a myopia of -5.00 diopters with 25 degrees of astigmatism. I previously had a retinal...
Dr. Gao Pilin Reply:
Hello Jesse: If it only happened once, it could simply be a photopsia, which is a physiological phenomenon. If it occurs repeatedly, I cannot determine the cause. Retinal issues typically do not present with color, but rather as flashes of light. Therefore, if it happens again, p...[Read More] Understanding Purple Flashes in Vision: A Guide for Eye Health
Understanding Purple Flashes in Vision: A Guide for Eye Health
The appearance of purplish-red flashes in the eyes? Hello Doctor, I have floaters in my vision. My left eye has a myopia of -4.00 diopters with a flash of 75, while my right eye has a myopia of -5.00 diopters with a flash of 25. I previously had a retinal tear in my left eye, whi...
Dr. Gao Pilin Reply:
Hello Jesse: If it only happened once, it could just be a photopsia, which is a physiological phenomenon. If it keeps occurring, I cannot determine the cause. Retinal issues typically do not present with color, but rather as flashes of light. Therefore, if it happens again, pleas...[Read More] Understanding Purple Flashes in Vision: A Guide for Eye Health
Clarifying Eye Injury Concerns: Can Vitreous Detachment Heal Naturally?
Hello, Doctor: 1. Is it possible to correct the scoring if there is an error? 2. Thank you for your response; I would like to ask further questions. Thank you? Hello Doctor: 1. I just rated the first email with stars, and the system crashed. I sincerely apologize. Could I change ...
Dr. Gao Pilin Reply:
Hello Ivy: 1. The score is likely unchangeable, but that's okay. 2. Vitreous detachment typically does not affect the visual field; it may create a sensation of something obstructing the vision. Over time, the area of cloudiness may decrease or shift to a more peripheral loc...[Read More] Clarifying Eye Injury Concerns: Can Vitreous Detachment Heal Naturally?
Understanding Glaucoma and Other Eye Conditions: Symptoms and Concerns
Suspecting that you have glaucoma or other eye diseases? Both eyes have myopia of approximately 300 degrees with astigmatism. After being exposed to bright light, such as a flash from a camera, both eyes experience persistent moving shadows (black spots) that eventually disappear...
Dr. Gao Pilin Reply:
Hello Chloe: When you look at bright light, the intense light causes a significant breakdown of rhodopsin in the retina. Since it cannot be quickly resynthesized, this results in a temporary darkening of your vision. This is a normal physiological response and is not related to f...[Read More] Understanding Glaucoma and Other Eye Conditions: Symptoms and Concerns
Understanding Eye Care: Addressing Retinal Detachment and Flashing Lights
Maintenance issues? 1. I underwent gas treatment to reattach the detachment above my eye, but fluid has accumulated below. The doctor recommended laser surgery to seal it. After a week post-procedure, during my follow-up, the doctor mentioned that some areas were not adequately s...
Dr. He Jianxian Reply:
1. Watching 3C devices does not cause thinning of the retina. 2 & 3. The flashes you described are likely not caused by the retina, as true retinal flashes would feel like being flashed by a camera's flash and would typically disappear quickly. Dr. He Jianxian, Ophthalmo...[Read More] Understanding Eye Care: Addressing Retinal Detachment and Flashing Lights
Understanding Flashing Lights in the Eye After Trauma: What You Need to Know
Flashes of light in the eyes? Hello, doctor. I was assaulted by a friend in the early morning of September 26. Two days later, I started experiencing flashes of light in my left eye, which appear intermittently in different positions. The following day, I visited the ophthalmolog...
Dr. He Jianxian Reply:
Due to the impact, it can easily lead to vitreous degeneration in the eye. Once degeneration occurs, it can easily pull on the retina. When the retina is subjected to external traction, it may result in symptoms such as flashes and floaters. This information is provided for your ...[Read More] Understanding Flashing Lights in the Eye After Trauma: What You Need to Know
Post-Retinal Detachment Surgery: Understanding Vision Recovery and Complications
Post-retinal detachment surgery I underwent scleral buckle surgery on September 1st. The doctor only advised me to sleep on my side. After a week, during my follow-up appointment, the doctor said there was already adhesion and scheduled another visit in about two weeks. At this r...
Dr. He Jianxian Reply:
1. For clear vision, the retina must be properly adhered and its function restored; it may require further observation for accuracy. 2. You can discuss this with your attending physician later; there is no need to worry about it now. Dr. He Jianxian, Department of Ophthalmology, ...[Read More] Post-Retinal Detachment Surgery: Understanding Vision Recovery and Complications
Understanding Astigmatism and Its Connection to Retinal Detachment
Astigmatism-related retinal detachment 1. Is astigmatism related to the retina? 2. I underwent retinal gas tamponade surgery two weeks ago, and the remaining detached area was treated with laser. After the procedure, I noticed that my astigmatism seemed to worsen, and my vision ...
Dr. He Jianxian Reply:
Astigmatism primarily affects visual acuity and is not directly related to the retina. Retinal detachment can occur in individuals without astigmatism as well. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospital.[Read More] Understanding Astigmatism and Its Connection to Retinal Detachment