visual disturbance, Ophthalmology FAQ - Page 13

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Understanding Temporary Vision Loss: Causes and Concerns for Students

Temporarily unable to see? Hello doctor, I am a student who just graduated from elementary school. The day before yesterday, while I was playing on the computer and turned off the lights, I suddenly saw some dark spots in both of my eyes. There were only a few areas where I could...


Dr. Cai Wenyuan Reply:
Hello: If this occurs frequently, please seek medical examination. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Temporary Vision Loss: Causes and Concerns for Students


Understanding Glaucoma: Symptoms, Diagnosis, and Eye Health Concerns

Suspected glaucoma? Seeing halos around lights at a distance, especially when the lights appear particularly bright, can be a concerning symptom. Additionally, experiencing occasional eye discomfort, swelling, and mild headaches raises questions about potential underlying conditi...


Dr. Cai Wenyuan Reply:
Hello, it should not be the case. Thank you. Wishing you peace and good health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Understanding Glaucoma: Symptoms, Diagnosis, and Eye Health Concerns


Understanding Glaucoma, Dry Eyes, and Visual Disturbances in Teens

Glaucoma and dry eye syndrome associated with photophobia issues? Hello Doctor, I would like to ask a few questions: 1. If I go for a fundus examination due to floaters, will the doctor be able to check for symptoms of macular degeneration or glaucoma? 2. A few months ago, I no...


Dr. Cai Wenyuan Reply:
Hello, there's no need to worry; just have regular check-ups. Thank you.

[Read More] Understanding Glaucoma, Dry Eyes, and Visual Disturbances in Teens


Understanding Visual Snow: Causes and Symptoms Explained

Experiencing visual disturbances that resemble television static? Experiencing flickering light sensations resembling television static, especially when looking at dark or black objects, and similar sensations when closing the eyes, could indicate a condition known as visual snow...


Dr. Cai Wenyuan Reply:
Hello, it is recommended to visit a medical center for examination. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Visual Snow: Causes and Symptoms Explained


Understanding Visual Disturbances: Shadows and Flashes in Peripheral Vision

Eye problems Doctor, I apologize for my strange question. Sometimes when I am using the computer and looking straight ahead, I occasionally notice shadows, flashes, or a sensation of visual flickering in my peripheral vision. These symptoms only last for a moment. I have undergon...


Dr. Cai Wenyuan Reply:
Hello, there are no issues with the examination, so there is no need for concern. Wishing you peace and good health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Understanding Visual Disturbances: Shadows and Flashes in Peripheral Vision


Understanding Visual Disturbances: When Lines Disappear and More

When daydreaming, some elongated shapes may disappear? Sometimes when I daydream and my gaze is elsewhere, elongated objects in my field of vision disappear, but they immediately return when I move my eyes. When I look at a grid, the lines appear straight, but I can see colors wi...


Dr. Cai Wenyuan Reply:
Hello: If there are no issues with the medical examination, then it's all good. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Understanding Visual Disturbances: When Lines Disappear and More


Understanding Visual Disturbances: Is Your Eye Health at Risk?

Transparent object A few days ago, I noticed that there seems to be a transparent obstruction in the left visual field of my left eye. When this obstruction passes over an object, it appears as if the object is slightly covered, although it's not very noticeable. When I look...


Dr. Cai Wenyuan Reply:
Hello: If there are changes in your floaters, it is best to seek medical examination. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Visual Disturbances: Is Your Eye Health at Risk?


Understanding Visual Disturbances: Light Flashes and Floaters Explained

My eyes feel strange? Recently, no matter what I look at, I feel like there is light in front of the objects (it's hard to describe what I see), and sometimes I also experience floaters. I have myopia of about 700 to 800 degrees. I would like to ask the doctor what might be ...


Dr. Cai Wenyuan Reply:
Hello, you will need to seek medical examination to know for sure. Wishing you safety and health. Sincerely, Dr. Cai Wenyuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

[Read More] Understanding Visual Disturbances: Light Flashes and Floaters Explained


Understanding Retinal Issues: What Do Morning Visual Disturbances Mean?

Retinal concerns? I have recently been experiencing a phenomenon where every morning when I open my eyes, I see a multitude of grid-like lines or large gray-black circles obstructing my vision. However, this usually resolves after a while. Could you please tell me what might be w...


Dr. He Jianxian Reply:
It is unclear why you are experiencing this phenomenon; I recommend that you visit an ophthalmologist for a more thorough examination.

[Read More] Understanding Retinal Issues: What Do Morning Visual Disturbances Mean?


Understanding Visual Disturbances: A Guide to Floaters and Amsler Grid Issues

Vision appears distorted? I have floaters in my vision. When I look at the Amsler grid and focus on the central black dot, the lines appear straight, but different colors appear in each square. After staring at the central dot for a while, the adjacent squares turn black, and my ...


Dr. He Jianxian Reply:
Basically, as long as there are no signs of distortion or curvature in the lines, there is no need to worry too much.

[Read More] Understanding Visual Disturbances: A Guide to Floaters and Amsler Grid Issues


Understanding Visual Disturbances: A Guide to Amsler Grid Testing

Yellow spot and light spot? Hello Doctor: 1. I recently performed a self-test using the Amsler grid. There are no abnormalities in my left eye, but I noticed some issues with my right eye. When I focus on the center point of the grid with my right eye, there are no issues for t...


Dr. He Jianxian Reply:
If there is indeed a problem with the eyes, abnormalities on the Amsler grid will appear immediately and will not take a few seconds to manifest, nor will there be any instances of abnormalities disappearing. This is for your reference!

[Read More] Understanding Visual Disturbances: A Guide to Amsler Grid Testing


Understanding Persistent Visual Flashes: Causes and Concerns

Is it eye fatigue? Seeing bright spots of red, green, yellow, and blue scattered throughout your field of vision, which do not move regardless of the direction you look, and do not affect your ability to see other objects, may indicate a phenomenon known as "visual snow"...


Dr. He Jianxian Reply:
Since I have not encountered a patient with such symptoms, I cannot fully understand your situation. In general, we do not perceive nonexistent objects or light in our visual field. I recommend that you consult an ophthalmologist for a thorough examination and advice.

[Read More] Understanding Persistent Visual Flashes: Causes and Concerns


Understanding Visual Disturbances: Causes and Solutions for Eye Issues

My eyes feel strange? I used to see dark spots occasionally, but this morning when I woke up and opened my eyes, I kept seeing a visual afterimage that was flickering around my eyes. This happened a few months ago as well. Could it be because I've been looking at my phone to...


Dr. He Jianxian Reply:
It is recommended that you visit an ophthalmologist for a dilated fundus examination. If the retina is found to be normal, you can be reassured.

[Read More] Understanding Visual Disturbances: Causes and Solutions for Eye Issues


Understanding Visual Disturbances and Eye Fatigue: Causes and Solutions

Eye fatigue Hello doctor, I have a question to ask you. When I breathe, I experience a sensation of movement in the images I see, especially when my eyes are fatigued. So I take a break, and after resting, I no longer have this issue. What could be the reason for this situation? ...


Dr. Cai Wenyuan Reply:
Hello: It is advisable for you to seek medical examination for your condition. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Understanding Visual Disturbances and Eye Fatigue: Causes and Solutions


Understanding Visual Disturbances After Sneezing: Causes and Solutions

Black and white stripes resembling flying insects? Hello, doctor. I would like to ask, every time I sneeze forcefully, I experience a brief visual disturbance where I see small black dots with white tails moving in front of my eyes. This lasts for several seconds before disappear...


Dr. Cai Wenyuan Reply:
Hello, it should not be related to insufficient ocular blood volume. Wishing you peace and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Understanding Visual Disturbances After Sneezing: Causes and Solutions


Understanding Visual Disturbances: Light Spots and Eye Health Concerns

Poor vision with the perception of light spots? Dr. Kao: Hello! I have two questions for you: 1. My left eye has a prescription of -3.50 diopters (corrected to 20/16), and my right eye has a prescription of -13.00 diopters (corrected to 20/30, but not very clear with some doubl...


Dr. Gao Pilin Reply:
Hello, Qi-An: 1. If the disparity in vision is caused by cataracts, it is advisable to manage it temporarily. However, if it causes significant inconvenience, considering cataract extraction may be an option. 2. If you have undergone a fundus examination and the physician has st...

[Read More] Understanding Visual Disturbances: Light Spots and Eye Health Concerns


Understanding Visual Disturbances: When Your Eyes See Static

The vision appears distorted, similar to a poor television signal? Hello Doctor: Occasionally (sometimes once a year, sometimes once a day), I experience visual disturbances where my vision appears to have slight interference, resembling a poor television signal. The disturbances...


Dr. He Jianxian Reply:
Based on your description, it is likely a symptom of a subtype of migraine. This condition does not typically involve headaches, but due to abnormal electrical discharges in the brain, it can lead to what is known as "visual aura." There will be no abnormalities found i...

[Read More] Understanding Visual Disturbances: When Your Eyes See Static


Understanding Visual Disturbances: Glaucoma and Nighttime Noises

Seeing noise in the dark? Hello, Dr. Gao. Perhaps due to my recent diagnosis of being in a high-risk group for glaucoma, I have started to pay close attention to any abnormalities in my vision and have noticed some phenomena that seem unusual. Before deciding whether to seek medi...


Dr. Gao Pilin Reply:
Dear concerned individual, 1. The retina is a complex photosensitive tissue, and even in complete darkness, it can still exhibit electrical responses. Therefore, if you pay special attention, you may notice the phenomenon you described, which is likely normal. 2. The shaking ar...

[Read More] Understanding Visual Disturbances: Glaucoma and Nighttime Noises


Understanding Eye Issues: Sticky Sensation and Visual Disturbances

Eye problems Hello, doctor. For the past couple of days, my left eye has felt sticky, and I see a transparent substance in front of me that seems to move around, similar to how contact lenses feel, but I often see something like paramecia under a microscope. I initially thought m...


Dr. Gao Pilin Reply:
Hello, Having sticky eyes can sometimes be a sign of allergic inflammation with discharge. The presence of transparent substances and paramecia may be due to this discharge. Another possibility for seeing paramecia is the condition known as floaters. I recommend that you visit ...

[Read More] Understanding Eye Issues: Sticky Sensation and Visual Disturbances


Understanding Floaters: Causes, Treatment, and Warning Signs

Floaters issue? Hello Doctor, I have recently developed floaters. I underwent a dilated eye exam at an ophthalmology clinic, and the results showed no abnormalities. To be cautious, I visited two more eye clinics, and both confirmed no issues. I was only prescribed a bottle of me...


Dr. Cai Wenyuan Reply:
1. Floaters are caused by the degeneration of the vitreous body. 2. Floaters cannot be cured. However, one should be particularly vigilant and seek a qualified ophthalmologist for a detailed examination if the following phenomena occur: severe vision loss, fixed visual field defe...

[Read More] Understanding Floaters: Causes, Treatment, and Warning Signs


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