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 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
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 Sudden Grayish Ovals in Vision: Possible Causes and Concerns
A sudden appearance of a flat oval-shaped "mosaic/ground glass" grayish-white shadow in the right eye? Hello Doctor: My left eye is hyperopic at +2.25 diopters, and my right eye is myopic at -6.25 diopters. Due to severe astigmatism in my left eye, I have some amblyopia...
Dr. Gao Pilin Reply:
Hello Mr. N: If you notice movement that follows your eye movements but is slightly out of sync and appears shaky, it is likely due to opacities in the vitreous body. These opacities can sometimes be undetectable during examinations and are only perceptible to the individual. Vit...[Read More] Understanding Sudden Grayish Ovals in Vision: Possible Causes and Concerns
Understanding Vitreous Detachment: Risks, Recurrence, and Prevention
Questions regarding posterior vitreous detachment? 1. If a person has experienced posterior vitreous detachment (PVD) twice, does the likelihood of subsequent PVD decrease? Does having multiple episodes of PVD reduce or increase the risk of recurrence? 2. Are there any methods ...
Dr. He Jianxian Reply:
1. Posterior vitreous detachment typically occurs only once in a lifetime for each eye; once it happens, it is unlikely to occur again, and it usually happens when there is traction on the retina. 2. The risk of retinal tears is purely a matter of probability and cannot be preven...[Read More] Understanding Vitreous Detachment: Risks, Recurrence, and Prevention
Understanding Vitrectomy for Managing Floaters: Risks and Benefits
Vitrectomy for the Improvement of Floaters I have noticeable floaters, which I can see as soon as I open my eyes. It seems that the vitreous has already liquefied, causing rapid disturbances. In the early stages, I even felt nauseous and wanted to vomit, leading to significant ps...
Dr. Gao Pilin Reply:
Hello, Li Man: Vitrectomy involves making multiple incisions in the eye to gradually remove the vitreous body, and it usually requires general anesthesia, which carries certain risks. This procedure is destructive to the eye and can lead to various complications, although the lik...[Read More] Understanding Vitrectomy for Managing Floaters: Risks and Benefits
Understanding Circular Light Flashes in Vision: Causes and Concerns
A halo appears around the eyes? I have a history of floaters and my left eye has a prescription of -7.25 diopters while my right eye is -6.50 diopters. In my younger years, I underwent laser treatment for a retinal detachment in my left eye. This morning, while taking a nap, I no...
Dr. Gao Pilin Reply:
Hello Mr. Li: It is uncommon for both eyes to experience simultaneous visual disturbances. This could potentially be caused by a posterior vitreous detachment leading to a Weiss ring. However, since you have a history of retinal disease, it is advisable to seek medical evaluation...[Read More] Understanding Circular Light Flashes in Vision: Causes and Concerns
Understanding Retinal Laser Treatment and Its Risks for High Myopia
Retinal laser issues? I have some questions for Dr. Gao. I am highly myopic with a prescription of -950 diopters and have recently been experiencing arc-shaped flashes of light passing through the corner of my eye (occurring about five times a day, particularly when laughing, jus...
Dr. Gao Pilin Reply:
Hello: Will performing laser treatment on the retina during PVD increase the risk of retinal detachment? Answer: It should not. Is it possible that the retina is in a more fragile state two weeks after the laser treatment, making the vitreous traction on the retina more significa...[Read More] Understanding Retinal Laser Treatment and Its Risks for High Myopia
Understanding Retinal Laser Treatment for Floaters and Vision Issues
Some issues regarding retinal laser treatment and floaters? Hello Dr. Gao: I have some questions to ask you. I am highly myopic with -9.00 and -10.00 diopters, and I have some thinning in the peripheral retina along with floaters and flashes (light balls sliding from the edges of...
Dr. Gao Pilin Reply:
Hello, Xiao Lin: 1. The self-repairing retina can be treated or not treated. If not treated, you need to pay extra attention. 2. It will be more stable after 2-3 weeks, so try to avoid vigorous head movements or heavy lifting during this period. 3. High myopia is quite common. S...[Read More] Understanding Retinal Laser Treatment for Floaters and Vision Issues
Understanding Floaters: When to Worry About Eye Health Issues
The appearance of clusters of black spots in the field of vision? Hello, doctor! Three years ago, I underwent laser treatment on my right eye. Two weeks ago, I noticed seven small black spots that resembled floaters in my right eye, so I went to the hospital for a check-up on my ...
Dr. He Jianxian Reply:
Hello, Xun Xun: Blinking does not cause retinal tears. Based on my clinical experience, most floaters do not accompany the formation of tears, so I cannot provide a definitive answer to your question regarding probability. Director He Jianxian, Ophthalmology, Nantou Hospital.[Read More] Understanding Floaters: When to Worry About Eye Health Issues
Understanding Vitreous Detachment: Symptoms, Risks, and Treatment Options
Posterior vitreous detachment I started noticing a lot of floaters in my vision in October, and on October 28, they suddenly disappeared, but I began seeing many water droplet-like shapes and numerous strands in front of my eyes that won't go away. I underwent a fundus exami...
Dr. Gao Pilin Reply:
Dear Miss Deng, 1. Currently, observation is sufficient; posterior vitreous detachment does not require treatment. The bleeding is likely to resolve quickly. Please continue to follow your attending physician's instructions for follow-up treatment. 2. A small amount of blee...[Read More] Understanding Vitreous Detachment: Symptoms, Risks, and Treatment Options
Understanding Symptoms of Acute Posterior Vitreous Detachment in Myopia
The appearance of clusters of black spots in the field of vision, along with flashes of light when blinking? Hello, doctor. I am a patient with high myopia, with my left eye at -7.50 and my right eye at -9.50. Three years ago, three holes were found in my right eye and one in my ...
Dr. Gao Pilin Reply:
Hello, Hsun-Hsun: 1. After two weeks, the likelihood of developing a retinal tear should decrease. 2. Blinking should not be an issue. 3. There is no way to slow down the detachment; one can only try to avoid head movement when detachment occurs. If you are concerned, it is b...[Read More] Understanding Symptoms of Acute Posterior Vitreous Detachment in Myopia
Understanding Fixed Shadows in Vision: Is It Just Floaters?
There is a fixed shadow in the left eye? Hello Doctor: I am a patient with high myopia and floaters. On September 6th, I noticed a dark shadow in my left eye that feels fixed and is different from other floaters. The area obscured by the shadow causes a visual field defect. On Se...
Dr. Gao Pilin Reply:
Hello Hailey: Some floaters are relatively fixed, such as the Weiss ring after posterior vitreous detachment. If the examination shows no issues, you can just monitor the situation. In Taiwan, the ophthalmology department at Puzi Hospital is open on Monday, Tuesday, Thursday, and...[Read More] Understanding Fixed Shadows in Vision: Is It Just Floaters?
Understanding Posterior Vitreous Detachment: Duration, Symptoms, and Insights
Posterior vitreous detachment I would like to ask the doctor how long it typically takes for most people to experience posterior vitreous detachment (PVD). What is the average duration for successful detachment? Is it true that younger individuals may take longer on average? Addi...
Dr. Gao Pilin Reply:
Hello, A-Guan: The timing of posterior vitreous detachment (PVD) is not fixed and cannot be statistically determined. It usually occurs suddenly and then gradually separates. The incidence of PVD is lower in younger individuals. This phenomenon is likely related to floaters (myod...[Read More] Understanding Posterior Vitreous Detachment: Duration, Symptoms, and Insights
Understanding Photophobia: Causes, Treatments, and Risks in Eye Health
Cheryl's flying spots, photophobia? Hello, doctor: Is photophobia related to floaters and allergic conjunctivitis? If so, could you please advise on how to treat photophobia? Thank you. What is the likelihood of vitreous and retinal detachment? Thank you.
Dr. Gao Pilin Reply:
Hello, Guan-Jie: Generally speaking, inflammation of the eyes, dry eyes, or eye fatigue can all lead to photophobia. Treating the underlying condition will alleviate the photophobia. However, floaters do not cause photophobia. Please refer to the prevalence of posterior vitreous ...[Read More] Understanding Photophobia: Causes, Treatments, and Risks in Eye Health
Understanding Retinal Issues: Managing Flashing Lights and Visual Disturbances
Retinal issues? Hello Doctor: I experienced a sensation of flashing lights after having a retinal tear and a posterior vitreous detachment in the first year of junior high. I asked the ophthalmologist about any retinal holes, and he said there were none. However, I would like to ...
Dr. Gao Pilin Reply:
Hello Guan-Jie: The flashes of light caused by the vitreous pulling on the retina cannot be alleviated and you will have to wait for the vitreous to gradually separate. This disturbance is likely caused by fibrous structures within the vitreous and should not be considered a path...[Read More] Understanding Retinal Issues: Managing Flashing Lights and Visual Disturbances
Understanding Vitreous Detachment and Its Impact on Vision
Vitreous detachment, floaters? Hello, doctor. I am 20 years old and have a myopia of 225 degrees. Recently, when I close my eyes and move them, I see circular bright lights, and when I look at the sky, I notice black shadows that resemble flowers blooming or butterflies flying. I...
Dr. Gao Pilin Reply:
Hello, Mr. Mo: The duration of the flashes can vary and depends on the timing of the separation between the vitreous and the retina, which can differ from person to person. Generally, the risk is low; however, it is important to monitor your symptoms. If you experience a signific...[Read More] Understanding Vitreous Detachment and Its Impact on Vision
Understanding Post-Surgery Eye Symptoms: Retina Issues and Cataract Surgery
Retinal issues, post-retinal detachment, and post-cataract surgery? Dear Dr. Gao, About a year and a half ago, I underwent laser treatment for a retinal tear in my right eye. I also had retinal detachment surgery and cataract surgery in my left eye. Recently, I have noticed that...
Dr. Gao Pilin Reply:
Hello Mr. Lu: This phenomenon may be caused by the vitreous pulling on the retina. Since this condition cannot be detected through dilation, if the dilated examination is normal, it can be confirmed that there are currently no retinal issues. The Ophthalmology Department at E-Hos...[Read More] Understanding Post-Surgery Eye Symptoms: Retina Issues and Cataract Surgery
Understanding Moving Light Flashes in Your Vision: Causes and Concerns
There are moving spots of light in the eyes? Hello Doctor: I would like to continue with my previous question regarding “#157148 Retinal laser treatment for retinal detachment with moving light spots.” I have 400 degrees in my left eye and 600 degrees in my right eye. Both eyes h...
Dr. Gao Pilin Reply:
Hello Mr. Shi: If the physician examines you and finds no issues, it can be considered as vitreous floaters. If there are no changes, an annual check-up will suffice. The ophthalmology department at Puzi Hospital in Taiwan is open on Monday, Tuesday, Thursday, and Friday mornings...[Read More] Understanding Moving Light Flashes in Your Vision: Causes and Concerns
Understanding Fixed Black Spots in Vision: Possible Causes and Next Steps
There is a small dark shadow in the line of sight of the right eye, and its position is fixed? Hello Doctor, last Thursday (5/7), I noticed an abnormality in my right eye while looking at my phone. When reading, some words appear blurry or have missing parts, and I experience a h...
Dr. Gao Pilin Reply:
Hello Eric: Based on your description, it seems more like posterior vitreous detachment, which can produce a ring-like shadow known as a Weiss ring. This ring is formed at the location where the vitreous separates from the optic nerve, so it appears relatively fixed in your visio...[Read More] Understanding Fixed Black Spots in Vision: Possible Causes and Next Steps