Pupil, Ophthalmology FAQ - Page 6

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Understanding Floaters: Common Concerns and Eye Health Tips

Inquiry about floaters? Hello Dr. Tsai, I currently have a prescription of -4.75 diopters in my left eye and -4.50 diopters in my right eye. In May, I suddenly noticed the presence of floaters in my vision. I immediately went to a clinic for an examination, and they said there wa...


Dr. Cai Wenyuan Reply:
1. It is considered a normal phenomenon. 2. Seek medical examination. 3. Cannot. 4. No relevant information.

[Read More] Understanding Floaters: Common Concerns and Eye Health Tips


Understanding Post-Cataract Surgery Complications: A Patient's Guide

Complications arising after cataract surgery? Hello Doctor: My mother is 71 years old and has recently undergone cataract surgery on her first eye. She has a history of retinal tear treated with laser and has issues with macular degeneration and wrinkling. Unfortunately, after th...


Dr. He Jianxian Reply:
Hello: The cause of this subjective symptom is actually unclear, so there are no specific solutions to offer. If the examination results are all normal, then it is advisable to continue monitoring and observe. Dr. He Jianxian, Ophthalmology Department, Nantou Hospital.

[Read More] Understanding Post-Cataract Surgery Complications: A Patient's Guide


Understanding Fundus Examination: Differences Between Slit Lamp and Direct Ophthalmoscope

Fundus examination Hello, doctor. I have a few questions regarding examinations: 1. What is the difference between a slit lamp (with a convex lens) and a standard fundus camera when examining the fundus? 2. Is dilation necessary when using a slit lamp to examine the fundus? Durin...


Dr. Gao Pilin Reply:
Hello Mr. Fang: 1. There is not much difference; the range varies due to the use of different lenses. 2. If the pupil is not too small, both the optic nerve and the macula can be visualized using a slit lamp with lenses, and dilation is not necessarily required.

[Read More] Understanding Fundus Examination: Differences Between Slit Lamp and Direct Ophthalmoscope


Struggling with Glasses: Persistent Dizziness and Eye Issues Explained

There are issues with fitting glasses regardless of how they are adjusted? Hello Doctor: Thank you for taking the time to address my questions. The content may be a bit lengthy, but I want to clearly explain my situation, and I appreciate your help. I have high myopia and floater...


Dr. Liang Ce Reply:
We recommend that you: 1. Since you have already scheduled appointments with the ophthalmology and neurology departments, please undergo further examinations to identify the cause and determine if additional treatment is necessary. 2. You may consider visiting a medical center fo...

[Read More] Struggling with Glasses: Persistent Dizziness and Eye Issues Explained


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...

[Read More] Understanding Blurry Vision and Visual Disturbances: Possible Causes and Solutions


Understanding Visual Afterimages: When to Consult an Eye Specialist

Visual persistence question? OR minor question? Dear Doctor, I apologize for bothering you again. This morning, while washing my face, I accidentally splashed some water from the basin into my eyes. Currently, my vision is clear with no blurriness, no red lights, and no dark sha...


Dr. Gao Pilin Reply:
Hello, Wanfu: If water from a basin comes into contact with your eyes, it should not be a concern. Staring at a black background with white text for an extended period can cause afterimages, which is a normal physiological phenomenon and not something to worry about. The same goe...

[Read More] Understanding Visual Afterimages: When to Consult an Eye Specialist


Understanding Black Spots and Vision Issues in Your Right Eye

There are shadows in the right eye and issues with dilation? Last week, I noticed a small shadow in my right eye, but I only see it when looking at a white wall or similar surfaces; otherwise, I don't pay much attention to it. It disappears after a while, but reappears when ...


Dr. Gao Pilin Reply:
Hello Wei: 1. The physician examined the retina and found no issues; the macula is also fine, so it can be monitored. 2. It is likely related to the dilation of the pupils; once the pupils constrict, everything should return to normal.

[Read More] Understanding Black Spots and Vision Issues in Your Right Eye


Understanding Nighttime Vision Issues: Glare, Astigmatism, and Pupil Size

Please provide the content you would like me to translate into English? Dear Dr. Gao, Thank you very much for your responses and guidance in articles #183935 and #183927. I have generally understood the content. Below are my interpretations of your replies, and I would like to a...


Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. If the prescription is insufficient, this phenomenon will become more severe. 2. It should be so. 3. Squinting is certainly not good. However, this should be corrected.

[Read More] Understanding Nighttime Vision Issues: Glare, Astigmatism, and Pupil Size


Understanding Vision Issues: Myopia, Astigmatism, and Glare Explained

Follow-up Inquiry #183927 Dear Dr. Gao, Thank you very much for your response and explanation in the consultation regarding inquiry #183927. I will follow your advice and continue to observe. I would like to ask you the following questions: Q1. You mentioned that "it may b...


Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. During the day, the pupils are smaller, so it is less noticeable; at night, when the pupils are larger, this phenomenon occurs. 2. Even with the correct prescription, this can still happen. 3. Glare is caused by scattered light within the eye, which leads to ...

[Read More] Understanding Vision Issues: Myopia, Astigmatism, and Glare Explained


How to Identify Eye Atrophy and Understand High Eye Pressure

Eye problems Hello, can I determine if my eyeball is atrophied by myself? Is it by looking at the size of the pupils in both eyes? (Aside from hearing the doctor mention during an examination that the eyeball appears somewhat atrophied.) Is it true that before the eyeball atrophi...


Dr. Gao Pilin Reply:
Hello, Xin: You may notice that the eyeballs appear more sunken. In the early stages, it might be difficult for you to notice. This could be due to degeneration that affects the normal regulation of intraocular pressure.

[Read More] How to Identify Eye Atrophy and Understand High Eye Pressure


Understanding Eye Floaters and Flashing Lights in High Myopia Patients

The appearance of large areas of floaters that resemble stains or ink splashes in the field of vision? Hello, Doctor Gao. I am a person with high myopia (850, 950). Since mid-June, I have experienced the issues mentioned above. I went for a fundus examination at the clinic on Jun...


Dr. Gao Pilin Reply:
Hello: This may be a case of extensive floaters, which is why you see a large area obscured. This is caused by vitreous degeneration. If the examination shows no issues, you will have to coexist with it peacefully, and over time, it should gradually improve. Currently, the more p...

[Read More] Understanding Eye Floaters and Flashing Lights in High Myopia Patients


Understanding Eye Atrophy: Symptoms, Causes, and Related Conditions

Ocular degeneration Hello, could you please explain what conditions may arise from ocular atrophy? It seems difficult to find relevant information. Does ocular atrophy progress over time, or is it possible for the condition to remain stable? Can ocular atrophy lead to high hypero...


Dr. Gao Pilin Reply:
Hello, Xin: Atrophy of the eyeball may be due to degeneration of the retinal nerves or retinal blood vessels. This can lead to shrinkage of the eyeball, which is sometimes unavoidable. When the eyeball shrinks, blindness is likely to occur. Poor vision may result in strabismus or...

[Read More] Understanding Eye Atrophy: Symptoms, Causes, and Related Conditions


Can Rigid Contact Lenses Worsen Eyelid Ptosis? Expert Insights

Rigid gas permeable (RGP) contact lenses, ptosis-related issues? Hello Doctor: I have a congenital and very severe ptosis of the upper eyelid, where previously more than 70% of my pupil was covered by the upper eyelid. I have undergone ptosis surgery, but I still have mild droopi...


Dr. Liang Ce Reply:
We recommend that you discuss the above situation further with your attending physician to determine if any additional examinations are necessary. Thank you, and wishing you good health!

[Read More] Can Rigid Contact Lenses Worsen Eyelid Ptosis? Expert Insights


Understanding Shadows in Vision: What Happens When You Use One Eye?

When looking at things with only the right eye for an extended period, shadows may appear, but blinking will immediately restore normal vision? Hello, Doctor. I have a myopia of -1.75 diopters in both eyes, with astigmatism of -0.75 diopters in the left eye and -1.00 diopters in ...


Dr. Gao Pilin Reply:
Hello: If blinking helps restore vision, it is likely not a macular issue. It may be due to uneven distribution of tears, which can worsen astigmatism over time, leading to seeing double images. When you blink, the moisture on the corneal surface becomes more even, restoring visi...

[Read More] Understanding Shadows in Vision: What Happens When You Use One Eye?


Understanding Eyeglass Prescription Adjustments and Eye Health Concerns

Follow-up Question #182591: Inquiry about Prescription Glasses? Dear Dr. Gao, Thank you very much for your personal response and guidance in the consultation regarding the prescription glasses in “#182591.” I have greatly benefited from your insights. I would like to ask you the...


Dr. Gao Pilin Reply:
Hello, Dr. Gao: Q1. Regarding my glasses, where the right lens is undercorrected by 25 diopters and the left lens is fully corrected, Dr. Gao replied, "A difference of 25 diopters is not a problem." Does this mean: (1) In terms of myopia, it is acceptable to have a low...

[Read More] Understanding Eyeglass Prescription Adjustments and Eye Health Concerns


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.

[Read More] Understanding Flashing Lights in Your Vision: Causes and Concerns


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...

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


Adjusting to New Glasses: Managing Discomfort and Eye Strain

Get new glasses? I changed to a new pair of glasses over a month ago, with a slightly larger frame (the prescription is the same as my old glasses, and both have blue light blocking). After wearing them, I felt uncomfortable, so I went back for adjustments three times. The optica...


Dr. Cai Wenyuan Reply:
You can visit a hospital or clinic for an examination.

[Read More] Adjusting to New Glasses: Managing Discomfort and Eye Strain


Understanding Irreversible Pupil Issues and Their Impact on Vision

Pupil issues The left eye's unaided vision is 0.1, and the best corrected vision is 0.4. The patient experiences blurriness when viewing near objects due to an inability to accommodate the pupil, and also has photophobia during the day. The condition of pupil dilation is irr...


Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic for consultation to determine if further examinations are necessary. Thank you, and wish you good health!

[Read More] Understanding Irreversible Pupil Issues and Their Impact on Vision


Understanding Pupil Shadows Upon Waking: Is It Normal?

Upon waking, there are shadows of the pupils on the glasses? I woke up today with a shadow in my left eye that looks like a black pupil shadow, somewhat similar to the sensation of seeing floaters during a dilated eye exam with a flashlight. When I close my eyes, I can still see ...


Dr. Gao Pilin Reply:
Hello, this sensation is likely related to floaters. If the shadows are temporarily gone, you can observe it on your own. However, if they reappear or increase in number, you should seek an examination.

[Read More] Understanding Pupil Shadows Upon Waking: Is It Normal?


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