Understanding Light Distortion: Is It a Sign of Glaucoma?
Lighting issues Recently, while working at night, I noticed that in addition to the diffuse white light from street lamps, there is also a layer of colored light resembling a rainbow. I'm not sure if this is related to glaucoma, as it doesn't seem quite like it; it only...
Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical attention.[Read More] Understanding Light Distortion: Is It a Sign of Glaucoma?
Concerns About Eye Damage in Infants from Bright Light Exposure
A one-year-old infant's eyes were exposed to bright light? Hello, doctor. A one-year-old baby was exposed to the strongest light from a flashlight on a mobile phone as a prank by his older brother while sleeping. I'm not sure how long the exposure lasted or if the baby ...
Dr. Cai Wenyuan reply Ophthalmology
You can seek medical evaluation and examination.[Read More] Concerns About Eye Damage in Infants from Bright Light Exposure
Post-Cataract Surgery: How to Properly Use Eye Drops and Ointments
Post-cataract surgery, administration of eye drops and ointments? Hello, Doctor. My mother had cataract surgery 19 days ago, and I would like to inquire about the postoperative ointments and eye drops. Thank you. The attending physician prescribed the following: 1. Cravit ophthal...
Dr. Cai Wenyuan reply Ophthalmology
The doctor said to finish using the old ointment before starting the new one, and that there is no need for a new medication.[Read More] Post-Cataract Surgery: How to Properly Use Eye Drops and Ointments
Understanding Flashing Lights in Vision: Causes and Concerns
The entire visual field feels flickering? Hello Doctor, I have been using my eyes more frequently due to exams recently. A few days ago, I noticed that after turning off the lights at night, my left eye starts to flicker intermittently after a while. It feels like the entire eye ...
Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical attention.[Read More] Understanding Flashing Lights in Vision: Causes and Concerns
Should You Just Monitor Mild Cataracts Found at a Young Age?
Is it sufficient to just observe mild cataracts? Hello Doctor: Recently, I visited an ophthalmologist due to allergies and underwent a dilated eye exam. The doctor found very fine opacities in my left eye. At that time, the doctor informed me that it might be mild cataracts, but ...
Dr. Cai Wenyuan reply Ophthalmology
Regular monitoring should be sufficient.[Read More] Should You Just Monitor Mild Cataracts Found at a Young Age?
Choosing Between Cataract Surgery Options and Intraocular Lenses
Cataract surgery options and intraocular lens choices? Hello, doctor. My family member had cataract surgery on the right eye last year. Since the right eye was originally amblyopic, the surgery and intraocular lens were covered by health insurance. This year, the doctor assessed ...
Dr. Cai Wenyuan reply Ophthalmology
1. It is possible. 2. Not necessarily.[Read More] Choosing Between Cataract Surgery Options and Intraocular Lenses
Understanding Chalazion Pain: When to Seek Further Eye Care
Eye problems Eye pain can sometimes radiate to the cheeks and neck. I have seen a doctor who diagnosed me with a stye. I have been using ointment and eye drops, but there hasn't been much improvement. Can a stye cause pain to this extent?
Dr. Cai Wenyuan reply Ophthalmology
It's possible.[Read More] Understanding Chalazion Pain: When to Seek Further Eye Care
Does Femtosecond Laser Increase Inflammation in Cataract Surgery?
Using femtosecond lasers in cataract surgery may increase inflammation? Hello Dr. Tsai, I would like to ask about the use of femtosecond lasers in cataract surgery. The precision of the cuts allows for the fragmentation of the lens, which reduces the energy needed during emulsifi...
Dr. Cai Wenyuan reply Ophthalmology
I haven't heard of it.[Read More] Does Femtosecond Laser Increase Inflammation in Cataract Surgery?
Understanding Your Child's Vision Test Results: Astigmatism Explained
Pediatric Vision Screening Hello Dr. Tsai: My child is nearly 3 years old and underwent a vision test. The computer refraction indicated astigmatism as high as 400 degrees. However, during the examination with the ophthalmoscope, the doctor found that the astigmatism was only 200...
Dr. Cai Wenyuan reply Ophthalmology
You can go to a medical center for an examination.[Read More] Understanding Your Child's Vision Test Results: Astigmatism Explained
Understanding High Astigmatism in Young Children: What Parents Should Know
Astigmatism in children? Hello Doctor: Recently, my child (2 years and 11 months old) had their first eye examination at an ophthalmologist. The computerized refraction showed high astigmatism of 400 degrees in both eyes and mild hyperopia of 200 degrees. The visual acuity test (...
Dr. Cai Wenyuan reply Ophthalmology
If you're concerned, you can go to a medical center for further examination.[Read More] Understanding High Astigmatism in Young Children: What Parents Should Know
Is Wearing Old Glasses Enough for Increased Astigmatism?
What is the prescription? Hello, doctor. If astigmatism increases from 50 degrees to 75 degrees, is it sufficient to continue wearing old glasses with astigmatism correction of 50 degrees? Will not having the 75 degrees correction worsen the astigmatism? Thank you, doctor.
Dr. Cai Wenyuan reply Ophthalmology
It should be possible.[Read More] Is Wearing Old Glasses Enough for Increased Astigmatism?
Can Protective Goggles Prevent Retinal Detachment in High Myopia?
Retinal issues I would like to ask the doctor, if a person with -600 diopters of myopia wears protective goggles while playing volleyball, can this prevent retinal detachment from being hit by the ball? Or does high myopia inherently pose a risk of retinal detachment regardless o...
Dr. Cai Wenyuan reply Ophthalmology
There is no correlation; regular check-ups are sufficient.[Read More] Can Protective Goggles Prevent Retinal Detachment in High Myopia?
Do You Need to Fully Correct Myopia and Astigmatism?
Could you please clarify the specific orthodontic issues you would like to inquire about? Hello, doctor. Do both myopia and astigmatism need to be fully corrected, or is it only astigmatism that requires complete correction? Thank you!
Dr. Cai Wenyuan reply Ophthalmology
It depends on the prescription.[Read More] Do You Need to Fully Correct Myopia and Astigmatism?
Understanding Tear Sac Issues: Causes, Symptoms, and Solutions
The tear sac has turned into a water balloon? I was born without a tear duct in my left eye, so tears continuously flow. Previously, the area around my lacrimal sac was quite normal, similar to my right eye, but one day it suddenly started to hurt. The pain radiated from my eye t...
Dr. Cai Wenyuan reply Ophthalmology
It is recommended to seek medical examination.[Read More] Understanding Tear Sac Issues: Causes, Symptoms, and Solutions
Do You Need Complete Correction for Myopia and Astigmatism?
Could you please specify the orthodontic issue? Hello, doctor. Do both myopia and astigmatism need to be fully corrected, or is it only astigmatism that requires complete correction? Thank you!
Dr. Cai Wenyuan reply Ophthalmology
It depends on the degree of refractive error.[Read More] Do You Need Complete Correction for Myopia and Astigmatism?
Is Your Old Glasses Prescription Enough for Increased Astigmatism?
What is the degree? Hello, doctor. If my astigmatism increases from 50 degrees to 75 degrees, is it sufficient to continue wearing my old glasses with a prescription for 50 degrees? Will not having the correct prescription of 75 degrees worsen my astigmatism? Thank you, doctor.
Dr. Cai Wenyuan reply Ophthalmology
It should be fine.[Read More] Is Your Old Glasses Prescription Enough for Increased Astigmatism?
Managing Eye Pressure: Tips for Exercise, Diet, and Lifestyle Adjustments
The sensation of elevated intraocular pressure? Hello Doctor: Recently, I've been troubled by some eye issues. I have previously experienced symptoms of high intraocular pressure (headaches, dizziness, mild nausea), and similar feelings have returned in the past couple of da...
Dr. Cai Wenyuan reply Ophthalmology
The sensations in the eyes may not necessarily be related to intraocular pressure; it is advisable to seek medical evaluation.[Read More] Managing Eye Pressure: Tips for Exercise, Diet, and Lifestyle Adjustments
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 Ophthalmology
It is recommended to seek medical examination.[Read More] Understanding Single-Eye Visual Disturbances: Causes and Solutions
Understanding Brief Blackouts in Vision: Possible Causes and Next Steps
A momentary flash of darkness in the field of vision? Recently, I have been experiencing brief moments of seeing black flashes in my vision, as if the surrounding lights are turning off and then back on. This happens about 10 times a day, and each episode lasts for a very short d...
Dr. Cai Wenyuan reply Ophthalmology
Monitor the situation, and if symptoms persist, seek medical attention.[Read More] Understanding Brief Blackouts in Vision: Possible Causes and Next Steps
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 Ophthalmology
You can visit a hospital or clinic for an examination.[Read More] Adjusting to New Glasses: Managing Discomfort and Eye Strain