Understanding Floaters: Risks and Symptoms of Vitreous Changes
Bright blue specks and tiny shimmering dots in the field of vision? I have high myopia and underwent retinal laser treatment six years ago. I have confirmed that I have vitreous opacities, and I experience brief flashes of white or black specks almost every day, sometimes accompa...
Dr. He Jianxian Reply:
1. Floaters can indeed cause traction on the retina, but it is not the floaters themselves causing the traction; it is the surrounding retina that is being pulled. 2. It is difficult to determine the probability of a tear forming. 3. This is not an acute symptom. 4. The sympto...[Read More] Understanding Floaters: Risks and Symptoms of Vitreous Changes
Understanding Nighttime Eye Symptoms: Is It Floaters or Something Else?
In the dark, there is a bright spot at the corner of the right eye, resembling a shiny web of white hair? I have high myopia, with both eyes around 800 to 900 degrees. I have had floaters in both eyes for several decades. Recently, in the dark at night, I notice bright patterns i...
Dr. Gao Pilin Reply:
Hello Mr. Chen: This phenomenon is due to the vitreous body detaching from the retina, where the boundary of contact is precisely where the traction occurs, causing the light to appear as filamentous or arc-shaped. Posterior vitreous detachment may occur, but there may still be a...[Read More] Understanding Nighttime Eye Symptoms: Is It Floaters or Something Else?
Understanding Floaters and Light Flashes: When to Seek Help
Questions related to floaters? Hello Doctor: I discovered I had floaters in mid-October last year and went to an ophthalmology clinic for an examination. The doctor diagnosed it as degenerative floaters and said I only needed to be checked once a year. However, I later experience...
Dr. Gao Pilin Reply:
Hello: It is likely to be floaters; I recommend that you get it checked again. Pupil dilation does not necessarily cause glaucoma unless there is narrow-angle glaucoma. Since it has not occurred before, the likelihood of it happening afterward is low, so please don't worry.[Read More] Understanding Floaters and Light Flashes: When to Seek Help
Understanding Eye Pressure and Corneal Thickness: Key Insights for Patients
Regarding intraocular pressure and corneal thickness? Hello Doctor, my intraocular pressure has been consistently high, around 22 to 23 mmHg. Recently, I went to the hospital for an examination, and they told me that my corneal thickness is 640 micrometers, and my actual intraocu...
Dr. Gao Pilin Reply:
Hello Mr. Huang: According to this table, the calculated intraocular pressure is as you have calculated, but the physician's results may involve a different method of calculation, which you may need to inquire about. However, as long as it remains within the normal range, yo...[Read More] Understanding Eye Pressure and Corneal Thickness: Key Insights for Patients
Red Veins in Eye After Wearing Contact Lenses: Should I Be Concerned?
Bloodshot eyes while wearing contact lenses? Hello doctor, I haven't worn contact lenses for about six months. Yesterday, I wore them for over 12 hours, and when I got home, I noticed that the outer part of the sclera in my left eye was filled with radiating red blood vessel...
Dr. He Jianxian Reply:
The recommended wearing time for contact lenses is within 8 hours. Exceeding this duration can lead to increased hypoxia in the cornea as the wearing time increases. Consequently, after removing the contact lenses, there may be surface congestion due to hypoxic irritation, which ...[Read More] Red Veins in Eye After Wearing Contact Lenses: Should I Be Concerned?
Can Laser Surgery Cause Severe Dry Eyes? Understanding Post-Procedure Symptoms
Retinal tear In September, I paid for a dry eye examination, where my tear production was measured at 17 for the left eye and 7 for the right eye. There was evidence of meibomian gland obstruction, and the lipid layer was approximately 35. The doctor advised me to apply warm comp...
Dr. Gao Pilin Reply:
Hello Mr. Wang: The laser treatment is performed on the retina, so it is unrelated to dry eye. There are treatment options for dry eye syndrome. Please refer to: https://reurl.cc/EZdQ4v and consider consulting the ophthalmology department at a teaching hospital.[Read More] Can Laser Surgery Cause Severe Dry Eyes? Understanding Post-Procedure Symptoms
Can You Take the High-Speed Train with Eye Flashes?
If you are experiencing flashes of light in your vision, it is advisable to consult a healthcare professional before taking a high-speed train. Flashes of light can be a sign of various eye conditions, some of which may require immediate attention. It is important to ensure your ...
Dr. Gao Pilin Reply:
Hello, 1. It is possible that the small discharge caused by the pulling is minimal, resulting in only a faint light. Other factors cannot be determined. 2. The acceleration of the high-speed train at startup is only 2.0 km/h/s, which is less than 0.2G. There is not much of a p...[Read More] Can You Take the High-Speed Train with Eye Flashes?
Understanding Floaters: When to Worry and How Often to Check
Floaters are very bothersome to me? Hello Doctor: I started experiencing floaters around the age of 22, and I am now 25. I have been undergoing regular dilated eye examinations, with the last one conducted at the end of July this year, and my retina was still normal. Since I am q...
Dr. Gao Pilin Reply:
Hello, if the examination shows no issues, you can feel at ease. There is no need for frequent check-ups unless there are noticeable changes. Once a year is sufficient. If you are still concerned, it is fine to have another check-up. Generally, intraocular pressure should not be ...[Read More] Understanding Floaters: When to Worry and How Often to Check
Understanding Retinal Issues: Symptoms and Concerns Explained
Retinal issues Hello doctor, I have myopia of 800 degrees in both eyes and I also have floaters. Two months ago, I experienced seeing flashes of light when going down the stairs, and I underwent a fundus examination. The doctor mentioned that my retina is thin but there are no te...
Dr. Gao Pilin Reply:
Hello, Ah Yun: The phenomenon of flashes is caused by the vitreous pulling on the retina. If the examination shows no tears, it should not be a concern.[Read More] Understanding Retinal Issues: Symptoms and Concerns Explained
Understanding Retinal Tears and Corneal Injuries: Causes and Concerns
Retinal tear, corneal wound? About 6-7 years ago, I experienced eye fatigue and often pressed my palms against my eyes. On one occasion, this caused a brief pain in my eyes and a sudden increase in floaters. Afterward, I consulted a doctor and discovered several holes in both of ...
Dr. Gao Pilin Reply:
Hello ChiaWei: Applying pressure to both eyes with your palms can sometimes lead to difficulty in controlling the appropriate force, which may cause pressure on the eyeballs and potentially lead to retinal tears. However, it is also possible that the peripheral retina is inherent...[Read More] Understanding Retinal Tears and Corneal Injuries: Causes and Concerns
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 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 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 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 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
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 Floaters and Flashes: Key Insights for Eye Health
Floaters and flashes? Hello, Doctor. Since June of this year, I have been experiencing a significant amount of floaters in both eyes. However, starting in September, I began to notice that when I look at a white wall and move my eyes to the left and then back to the center, I see...
Dr. Gao Pilin Reply:
Hello, patients with floaters: 1. It should be this way. 2. Yes, pulling can cause a sensation of flashes, but it doesn't necessarily mean there will be a tear. 3. No, some children use dilating drops daily to prevent myopia. 4. There have been no flashes, so no retinal exam...[Read More] Understanding Floaters and Flashes: Key Insights for Eye Health
Understanding Retinal Health: OCT Limitations and Flashing Lights Explained
Still regarding the issue of retinal examination and flashes? Hello, Doctor. 1. I recently researched some information and found articles stating that standard OCT cannot confirm the presence of retinal tears due to its limited observation range and should be used in conjunctio...
Dr. Gao Pilin Reply:
Hello, those who are making efforts to adjust: 1. It is certainly best when both are combined. 2. 3. This should be an electrophysiological response of the retina. The detailed situation cannot be determined. 4. The vast majority of retinal tears are accompanied by some symp...[Read More] Understanding Retinal Health: OCT Limitations and Flashing Lights Explained
Understanding Floaters, Retinal Tears, and Vision Changes in Myopia
Floaters, retinal tears, and increased refractive error issues? Hello, doctor. Thank you for taking the time to address the public's concerns. I have myopia and astigmatism measured as follows: Left: 900/325, Right: 700/325. Two years ago, during a floater examination, the d...
Dr. Gao Pilin Reply:
Hello: 1. A slight increase in prescription is likely normal. 2. If you are unsure about whether to proceed with laser treatment, it is recommended that you visit a hospital with a retinal specialist for an examination. 3. If there has been a previous tear, it indicates that ther...[Read More] Understanding Floaters, Retinal Tears, and Vision Changes in Myopia