visual disturbance, Ophthalmology FAQ

Understanding Visual Disturbances and Eye Discomfort After Closing Eyes

Color after closing the eyes, discharge, and slight fogginess of the eyes? Hello, doctor. 1. Recently, I have been experiencing rainbow-like lines that appear horizontally and vertically when I close my eyes, but they disappear when I open them. It seems to occur only when my e...

Dr. Gao Pilin Reply:
Hello, normal person: 1. It may be photopsia, which is a physiological phenomenon. Please refer to: https://bit.ly/2z0VUDw 2. It could also be caused by eye secretions, possibly due to some inflammation or dryness in the eyes. If it does not improve, it is advisable to seek medic...

Why Do Patterns Appear to Vibrate? Understanding Visual Disturbances

Seeing certain things can make you feel like they are vibrating? Hello, Doctor. In the past few days, I've noticed that the black and white checkered pattern on my bedsheet seems to be vibrating. I visited the hospital for an examination, where my vision was measured at 250 ...

Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, seek medical evaluation.

Understanding Visual Disturbances: Floaters, Dry Eyes, and Anxiety

Frequent perception of transparent floaters in the vision? Hello Doctor, I recently visited an ophthalmologist several times, and the doctor mentioned that I might have floaters and dry eye syndrome, along with elevated intraocular pressure. I am currently 23 years old, and my vi...

Dr. Gao Pilin Reply:
Hello Rong: It is possible that the symptoms are caused by vitreous floaters. If the examination showed no issues, you can be assured that it is safe to coexist with them. Dry eye syndrome and high intraocular pressure should not cause this sensation.

Understanding Persistent Light Sensation in Closed Eyes: Causes and Insights

Bright spots when closing the eyes? Hello, Doctor. I would like to describe some symptoms I've been experiencing recently: one day I noticed a faint light sensation in the upper left corner of my left eye when it is closed, resembling a white mist. It does not flash or disap...

Dr. Gao Pilin Reply:
Hello, Miss Fang: It is possible that you are experiencing photopsia, which is a physiological phenomenon. If it persists and does not go away, you should see an ophthalmologist to check for any underlying issues.

Understanding Visual Disturbances: Foggy Vision and Double Vision Explained

Blurred vision and double vision? 1. A few days ago, I woke up around five in the morning to exercise, and when I looked at the white streetlights, I noticed a rainbow-like halo around them. After gently rubbing my eyes, it disappeared. 2. Is it normal for streetlights to have a...

Dr. Gao Pilin Reply:
Hello, ordinary person: 1. If it goes away after a little rubbing, it may be caused by discharge on the surface of the eye, which is not a concern. 2. It could be a slight dispersion, which may be a normal optical phenomenon. 3. It could also be discharge or dryness of the eyes. ...

Understanding Blurry Vision and Visual Disturbances: Possible Causes and Solutions

It resembles presbyopia and issues with visual afterimages? Hello, doctor. My work environment primarily involves using a computer, monitoring screens, and wearing safety glasses. Due to the pandemic over the past two years, plastic sheets have been installed in the office and br...

Dr. Gao Pilin Reply:
Hello: Based on your description, it may be related to the eye's accommodative ability, which could indicate early symptoms of presbyopia. If there is a difference in the prescription between your two eyes, one eye may be more affected than the other. I recommend that you se...

Understanding Eye Issues: Floaters and Visual Disturbances Explained

Eye problems 1. I have floaters in my vision, typically seeing about three indoors and more outdoors. 2. Recently, I have had eye examinations, and the doctors said everything is fine. However, I now have a new issue: regardless of how bright or dim the lighting is indoors, whene...

Dr. He Jianxian Reply:
Hello, I have not encountered a situation similar to yours in clinical practice, and I am unable to determine what the issue with your eyes might be. Dr. He Jianxian, Department of Ophthalmology, Nantou Hospital.

Understanding Flashing Lights in Your Vision: Causes and Concerns

When watching videos in the dark, after finishing, there may be a sensation of white flashes around the left eye, which could be a form of visual disturbance? Hello, Doctor Gao. Sometimes, after being exposed to bright light or looking at my phone in a dark room for a while, I ex...

Dr. Gao Pilin Reply:
Hello, A-Wei: It is normal physiological phenomenon to experience this kind of reaction when exposed to bright light; it will resolve after a short while. This is different from the flashes caused by retinal detachment.

Understanding Visual Disturbances: What Causes Negative Afterimages?

Eye problems Hello, doctor. While I was looking at the computer, I suddenly experienced a sensation similar to seeing a negative image, which lasted for a while before gradually fading away. However, I wasn't staring at the same screen for a long time. Could you please tell ...

Dr. Gao Pilin Reply:
Hello: This is the posterior view. If the recovery time is prolonged, it may be due to eye fatigue from prolonged computer use; it's time to take a break.

Understanding Visual Disturbances: What Causes Negative Afterimages?

Dr. Gao Pilin Reply:
Hello: This is the afterimage. If the recovery time is prolonged, it may be due to eye fatigue from prolonged computer use; it's time to take a break.

Understanding Slow Eye Focus: Causes and Solutions for Visual Disturbances

Slower eye focusing speed? Hello Doctor: Two months ago, I woke up one day and noticed that my eye focusing speed had slowed down. I am unable to focus properly on dynamic images (like watching YouTube or playing mobile games). Switching focus from near (text on my phone) to far ...

Dr. Gao Pilin Reply:
Hello, father of the child: Your condition is related to the ciliary muscle's accommodation issue. A dilated fundus examination can be performed, followed by trying on appropriate glasses. Other possibilities may relate to premature aging of the eyes.

Understanding Visual Disturbances: What Causes Rain-Like Sensations?

Seeing a sensation like rain? Lying in bed and looking at the ceiling can create a sensation similar to television static, without any actual colors, akin to the feeling of misty rain when it’s not actually raining. It seems to move around erratically rather than just falling str...

Dr. Gao Pilin Reply:
Hello, it may be snow blindness, which is a type of neurological issue. If the ophthalmological examination shows no problems, you might consider consulting a neurologist.

Understanding Single-Eye Visual Disturbances: Causes and Solutions

Monocular visual field oscillation Hello Doctor: I have myopia of about 500 degrees in both eyes along with mild astigmatism. To prevent my prescription from worsening, I pay attention to the time, brightness, and blue light filtering when using computers and smartphones, and I t...

Dr. Cai Wenyuan Reply:
It is recommended to seek medical examination.

Understanding Visual Disturbances: Causes and Solutions for Eye Fatigue

Macular degeneration I'm sorry to bother you, doctor. About a week ago, due to staying up late, I noticed that objects appeared to fluctuate in size when I looked at them in the morning. I immediately went to an ophthalmology clinic, and the doctor said that the structure of...

Dr. Gao Pilin Reply:
Hello, Xiao You: Based on your description, it doesn't seem to be macular degeneration. It appears more like fluctuations due to vitreous liquefaction or possibly caused by ciliary muscle spasm from eye fatigue. Make sure to give your eyes plenty of rest, and if the issue pe...

Understanding Visual Disturbances: Flickering and Brightness Changes Explained

There is a slight shaking phenomenon around objects when looking at them? Hello Doctor, I am 43 years old with myopia of approximately -6.50/-8.50. 1. Since 2021, I have noticed a slight shaking sensation on the outer side of my eyes when looking at things (there is a feeling of ...

Dr. He Jianxian Reply:
If all examinations have been completed, you should feel reassured. The flickering sensation in your peripheral vision may be caused by vitreous degeneration, but this is merely a hypothesis, and I, as a physician, cannot determine the exact cause. Regarding the changes in bright...

Understanding Visual Disturbances: Flickering and Brightness Changes Explained

There is a slight shaking phenomenon around objects when looking at them? Hello Doctor, I am 43 years old and have myopia of approximately -6.50/-8.50. 1. Since 2021, I have noticed a slight shaking sensation on the outer side of my eyes when looking at things (there is a feeling...

Dr. He Jianxian Reply:
If all examinations have been completed, you should feel reassured. The flickering sensation in your peripheral vision may be caused by vitreous degeneration, but this is merely a hypothesis, and I am unsure of the actual cause. As for the changes in the brightness of light sourc...

Improving Pseudomyopia in Adults: Tips for Eye Health and Comfort

Improvement of Adult Pseudomyopia Hello, doctor. I am 27 years old and previously had no myopia. At the age of 25, I was diagnosed with 50 degrees and 100 degrees of myopia. Recently, my vision has become increasingly unclear, and I have been experiencing pain around the bones of...

Dr. Gao Pilin Reply:
Hello Judy: 1. Pseudomyopia should decrease after adequate rest. Minimize the use of electronic devices, maintain an appropriate distance, and use larger screens and fonts on mobile devices. However, using an excessively large computer monitor may cause eye discomfort. You can ...

Understanding Visual Disturbances: Causes and Solutions for Eye Conditions

Eyes and Light Hello, I have issues with nystagmus and retinopathy of prematurity, as well as high myopia and astigmatism. When looking at certain computer screens or projected images, I sometimes perceive a slight flicker in the light, and the text appears to shake. Occasionally...

Dr. Gao Pilin Reply:
Hello, Xin: From your recent questions, it seems that you are quite concerned about your eye issues. However, we cannot provide a response without a proper examination. I recommend that you visit a hospital with an ophthalmology department for a thorough evaluation and consult wi...

Understanding Visual Disturbances: Black Flashes and Brightness Issues

Experiencing brief flashes of darkness in the vision, similar to a flickering light, and occasionally noticing fluctuations in brightness (sometimes appearing dim or bright) after looking at a screen for an extended period? Hello Doctor, I am 43 years old and have myopia of -6xx/...

Dr. Gao Pilin Reply:
Hello JC: If all the tests are normal, I cannot determine the cause from that. The most likely relationship is that the vitreous is pulling on the retina. This aspect cannot be detected through examination. The sensation of movement is likely caused by the movement of the vitreou...

Understanding Visual Disturbances: Flickering and Night Vision Issues

Flashing lights in front of the eyes upon waking and decreased night vision? Hello Doctor, I am 43 years old and had laser surgery for my myopia at the age of 27 (approximately -9.00 diopters at that time). I have been experiencing presbyopia in my left eye for about two years....

Dr. Gao Pilin Reply:
Hello, Anxiety Xiao-Hui: 1. It is likely a vitreous issue. 2. You can schedule an appointment with an ophthalmologist for an examination. 3. Vitreous traction on the retina can cause this situation, often due to changes in your position upon waking. Please do not be overly anxiou...

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