Understanding Floaters After Long-Distance Running: Causes and Concerns
The appearance of floaters after long-distance running? Hello Doctor, Basic information: I was diagnosed with glaucoma last year (I started using eye drops and my intraocular pressure is well controlled) and have vitreous degeneration. I have undergone a fundus examination, and...
Dr. He Jianxian Reply:
Hello Phebe: Since you have undergone a retinal examination, there is no need to worry about normal activities if there are no tears. However, if new floaters appear, it may be necessary to have another dilated eye exam. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospit...[Read More] Understanding Floaters After Long-Distance Running: Causes and Concerns
Is Your Eye Doctor's Advice Correct? Understanding Visual Symptoms
Is the doctor's advice correct? I have noticed over the past couple of days that when I look at the computer or bright backgrounds, I feel something strange. Everything is very clear, but it seems like there is a very faint, almost invisible shadow overlaying my vision, whic...
Dr. Cai Wenyuan Reply:
The doctor's advice is good, so there's no need to worry too much.[Read More] Is Your Eye Doctor's Advice Correct? Understanding Visual Symptoms
Understanding Vitreous Degeneration: Symptoms, Concerns, and Solutions
Vitreous degeneration Hello Doctor, I discovered that I have floaters at the beginning of April. Then on April 20th, I noticed that in dark places, like when the lights are off, moving my eyes up and down causes bright flashes, while moving them side to side results in scattered ...
Dr. Gao Pilin Reply:
Hello Ah-Hung: If the doctor has performed a dilated eye exam and found no issues, it indicates that there are currently no problems. Normal vitreous degeneration is not dangerous, so there is no need to worry. The bright light may persist for a long time or may gradually fade aw...[Read More] Understanding Vitreous Degeneration: Symptoms, Concerns, and Solutions
Understanding Dilated Eye Exams for Retinal Hole Assessment
Please provide the content you would like me to translate into English? The previous question mentioned "how to determine whether the floaters caused by a retinal tear (which were not present before) are due to residual from the tear or bleeding." The doctor's resp...
Dr. Gao Pilin Reply:
Hello: A dilated eye exam involves the use of a dilating agent to enlarge the pupils, allowing for a clearer examination of the retina. Please have a physician perform the examination, as it cannot be determined on your own.[Read More] Understanding Dilated Eye Exams for Retinal Hole Assessment
Understanding Retinal Holes: Causes, Symptoms, and Treatment Options
Retinal tear 1. To determine whether the floaters are caused by residual retinal tear or bleeding, an eye examination by an ophthalmologist is necessary. They may use imaging techniques such as optical coherence tomography (OCT) or a dilated fundus examination to assess the condi...
Dr. Gao Pilin Reply:
Hello: 1. A dilated fundus examination will provide the necessary information. 2. Minor bleeding will typically be absorbed within a few days to a few weeks. 3. Since it involves retinal debris, it will not disappear. 4. The action may not necessarily be the cause; the primary re...[Read More] Understanding Retinal Holes: Causes, Symptoms, and Treatment Options
Understanding Subtle Visual Disturbances: Is It Computer Vision Syndrome?
Seeing a very faint shadow effect on a white background? Hello Doctor: I have noticed over the past couple of days that when I look at the computer or at very bright backgrounds, I feel something strange. Everything appears very clear, but it seems like there is a very faint, alm...
Dr. Gao Pilin Reply:
Hello: This faint shadow is also a type of vitreous degeneration. It is larger than dot-like floaters and is related to vitreous fibrosis. Computer vision syndrome refers to the condition caused by prolonged computer use, leading to muscle tension and difficulty focusing, resulti...[Read More] Understanding Subtle Visual Disturbances: Is It Computer Vision Syndrome?
Will Floaters Improve After Retinal Tear Repair?
Retinal laser treatment for floaters? I experienced sudden onset of floaters after squatting and then standing up. After an examination, it was found that I had a retinal tear. The doctor immediately treated the tear, but it has been 12 hours and the floaters are still present. W...
Dr. Gao Pilin Reply:
Hello: The floaters may not necessarily disappear after the hole is repaired. This is because floaters can be caused by vitreous opacities, as well as residual retinal tissue at the site of the hole. However, if the floaters are due to bleeding from blood vessels related to the h...[Read More] Will Floaters Improve After Retinal Tear Repair?
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
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
Understanding Floaters: Causes, Symptoms, and When to Seek Help
Floaters, eye issues? Hello, doctor. Recently, I have started experiencing floaters in my vision over the past few weeks. I noticed them during my exams when my eyes were fatigued. I am not nearsighted, and they predominantly appear in my right eye (although they do not affect my...
Dr. Gao Pilin Reply:
Hello, regarding the condition known as floaters, it can persist for a long time. If examinations have shown no issues with the retina, you can rest assured. However, it’s important to mentally prepare to coexist with this condition. After some time, you will likely become less a...[Read More] Understanding Floaters: Causes, Symptoms, and When to Seek Help
Understanding Retinal Detachment: Symptoms, Treatments, and Concerns
Retinal detachment, retinal laser treatment? In early January of this year, I suddenly experienced an increase in floaters and noticed something flashing in the lower right part of my eye. Later, I occasionally saw light flashing. At the end of January, I visited a clinic, and th...
Dr. Gao Pilin Reply:
Hello, BB: If this is the case, it is possible that the retinal detachment is gradually worsening, as you are already experiencing blurred vision. I recommend that you return for a follow-up appointment and discuss your condition with your physician to determine if urgent surgica...[Read More] Understanding Retinal Detachment: Symptoms, Treatments, and Concerns
Understanding Floaters: Symptoms, Risks, and When to Seek Help
Floaters issue? Hello, doctor. Last night, I noticed a faint shadow in my right eye that moves with my eye movements. This morning, under sunlight, I saw that this shadow is composed of small round black dots. I have myopia of -5.00 diopters and astigmatism of -1.75 diopters, and...
Dr. Gao Pilin Reply:
Hello, Miss Jian: This situation is likely to be related to floaters, but it is usually difficult to determine if there are any underlying retinal issues on your own. Therefore, I recommend that you get an examination first. If everything is normal, you can monitor it yourself. T...[Read More] Understanding Floaters: Symptoms, Risks, and When to Seek Help
Seeing Spots on Screen: Eye Health Concerns for Myopic Students
Viewing electronic devices in the dark? Hello, I am currently a junior with myopia of -800/-700. Last night, while looking at my phone in the dark, I noticed a small dot on the screen with my right eye (I don't usually look at my phone in the dark; it adds up to about 20 min...
Dr. Gao Pilin Reply:
Hello, university student: If the symptoms disappear, it is not an issue with the macula; it may be related to something in the vitreous, which is known as floaters. Your condition should be harmless. However, it is still advisable to get it checked for peace of mind. In Taiwan, ...[Read More] Seeing Spots on Screen: Eye Health Concerns for Myopic Students
Understanding Diplopia: Causes, Symptoms, and When to Seek Further Eye Exams
Diplopia issues Hello, doctor. I previously asked about my condition. Recently, when I look at things, especially bright objects like traffic lights and lamps, I see a layer floating above them. Sometimes, traffic lights appear to have two or three images, especially at night. Du...
Dr. Gao Pilin Reply:
Hello, Student Yang: If you are really concerned, please visit a hospital with a cornea specialty and inform them of your situation to see if a corneal topography is necessary. Without an examination, we cannot provide you with a definitive answer. Additionally, it's importa...[Read More] Understanding Diplopia: Causes, Symptoms, and When to Seek Further Eye Exams
Understanding Visual Disturbances Upon Waking: Causes and Concerns
Visual conditions upon waking up? Hello Doctor: Today, when I just woke up and opened my eyes, I noticed that my entire field of vision was filled with small grids (many intersecting vertical and horizontal lines). At that time, the curtains in the room were not drawn, so it was ...
Dr. Gao Pilin Reply:
Hello: 1. What could be the reason for this? Is it related to my floaters? (I had a fundus examination last week, and the examining doctor said my retina is fine.) It should be related to the floaters. This phenomenon may occur due to the adjustment of focus in your eyes right ...[Read More] Understanding Visual Disturbances Upon Waking: Causes and Concerns
Understanding Flickering and Visual Noise in Floaters: Causes and Concerns
Flashing sensations and noise? Hello Doctor: I have floaters in both of my eyes. In the past few weeks, I have noticed a slight flickering sensation and a visual disturbance resembling static from a broken television when I close my eyes to sleep. Recently, I discovered that this...
Dr. Gao Pilin Reply:
Hello: When lying down and sitting up, the gravitational effect on the vitreous body changes direction, causing floaters to move in different directions. The traction of the vitreous body on the retina also varies, which explains these phenomena. After a dilated fundus examinatio...[Read More] Understanding Flickering and Visual Noise in Floaters: Causes and Concerns
Understanding Eye Color Variation: Causes and Solutions for Color Perception
Heterochromia of the eyes Hello, Doctor Gao: Recently, I have noticed that my right eye appears to have a cooler tone, while my left eye has a warmer tone. However, occasionally, the right eye appears warmer and the left eye cooler, with no specific pattern indicating which eye i...
Dr. Gao Pilin Reply:
Hello, A-An: The perception of color is inherently a complex issue, much like the varying sensations of cold, heat, or pain among individuals. It is possible that fatigue may be affecting your color discrimination, or there could be an issue with your eye's ability to adjust...[Read More] Understanding Eye Color Variation: Causes and Solutions for Color Perception
Understanding Retinal Microhemorrhages: Causes, Symptoms, and Care
Retinal examination shows microhemorrhages? Hello Doctor: I have floaters, and recently I've noticed that when I turn off the lights at night to sleep, sometimes when I close my eyes, I see many faint white flashes. When I open my eyes in the dark, I experience a flickering ...
Dr. Gao Pilin Reply:
Hello: 1. If your eyes are feeling more fatigued recently, is there a higher chance of experiencing flashes of light? This is likely not caused by fatigue, but rather by vitreous degeneration. 2. What causes microhemorrhages in the eye? Does rubbing your eyes cause this? Rubb...[Read More] Understanding Retinal Microhemorrhages: Causes, Symptoms, and Care
Understanding Corneal Issues: Astigmatism and Double Vision Explained
Corneal issues / Astigmatism / Diplopia Hello, doctor. Recently, I've noticed that when I wear glasses at night, bright objects like streetlights and traffic signals appear to have a layer floating above them, or sometimes there are multiple layers. Occasionally, the halos a...
Dr. Gao Pilin Reply:
Hello, classmate: Astigmatism becomes more pronounced at a distance, which is why distant vision is particularly noticeable, while near vision is relatively better. It is normal to experience this sensation when looking at a mobile phone. White text on a black background is more ...[Read More] Understanding Corneal Issues: Astigmatism and Double Vision Explained
Understanding Visual Disturbances: Symptoms and Solutions for Eye Issues
Diplopia and issues with colored lights? Hello, Doctor. I have several issues with my eyes that I would like to consult you about: 1. At night, when I look at bright lights, such as lamps or LED displays, I notice a layer that seems to float above them. For instance, with an LED...
Dr. Gao Pilin Reply:
Hello, Student Yang: 1. This is caused by astigmatism. During the day, the pupils are smaller, so it is less noticeable. 2. This is the prism effect, and there is no need to worry. Regardless of whether you have experienced this phenomenon before, it is a normal prism effect bas...[Read More] Understanding Visual Disturbances: Symptoms and Solutions for Eye Issues