Dr. Cai Wenyuan reply Ophthalmology Question - Page 24

Sudden loss of vision or temporary blackout in the eye? In the past few days, my vision has suddenly gone dark for just a moment, like a light bulb flickering off briefly. Could this be related to eye fatigue?

Eye pain without redness or itching? Hello doctor, after I woke up, I suddenly felt pain in my eyes when I blinked. Even when I close my eyes and touch my eyelids, it hurts, but they look normal without any redness or swelling. What could be the cause of this, and will it get bet...

Lutein Issues Hello, doctor. I recently purchased lutein, which states it contains 20 milligrams. Is this amount sufficient for daily intake? What are the benefits of lutein? Thank you.

High myopia refraction and complications issues? Hello, doctor. My right eye has had a prescription of -7.00 for the past year, but during one dilated eye exam, it measured -7.75. A few days later, without dilation, it was back to -7.00. I've had nearly five exams throughout...

Astigmatism issues? Hello Doctor, I previously experienced double vision and went to the hospital for an examination. Fortunately, I do not have keratoconus, but the doctor mentioned that my astigmatism has increased. I would like to ask if astigmatism can continue to increase af...

The corrective power of multifocal toric intraocular lenses? Recently, I developed cataracts in my eyes. I originally wanted to replace them with multifocal toric intraocular lenses, but my doctor told me that this type only corrects up to -8.00 diopters. However, I saw a video o...

Optometry and Prescription Issues Hello, doctor. Today I went to an optical center for an eye exam. The refractor indicated a prescription of -1600, but during the final fitting, I was given lenses for both eyes around -1400. Although I can see quite clearly, my visual acuity on ...

Will wearing glasses worsen my nearsightedness? I was diagnosed with myopia of 150 degrees around the sixth grade. After graduating from junior high school, I stopped wearing glasses. Now, in my junior year of college, I need to use a computer for extended periods due to my major...

Methods of Eye Examination Hello, doctor. I would like to ask about floaters and retinal degeneration. During regular check-ups, the doctor uses a lens (I'm not sure what it's called) and checks from the upper right to the upper left while turning off the lights (if I r...

There are light flashes in the eyes? Hello, doctor. About two years ago, I underwent laser retinal repair in both eyes. Since then, I have frequently experienced visual disturbances, such as seeing light shadows moving up and down, especially when blood rushes to my head. Could y...

Is this cataracts? Hello Doctor: I noticed a slight grayish area at the junction of my iris and sclera (it looks like a mix of the white of the eye and the iris) in both eyes, with the upper junction being more pronounced (though it's still just a little). Last week, I had a...

Dry eye syndrome is very uncomfortable? I would like to ask the doctor about my eyes. For the past two months, my eyes have been extremely dry. It started with a slight discomfort and fatigue, and I stopped wearing contact lenses for over a month. Recently, the discomfort has wor...

Seeing rainbow halos and scattered light around streetlights? Hello, I am a patient with high myopia and have floaters. I usually wear rigid gas permeable contact lenses for no more than eight hours. When I look at white streetlights at night, I see rainbow halos and cross-shaped...

In 2018, new technologies emerged that can treat adult amblyopia? I previously saw successful cases of adult amblyopia treatment online, with news articles from this year. I'm unsure about their credibility. Are there any new techniques in ophthalmology for treating adult am...

Sudden loss of vision? Hello doctor, I have myopia of 300 to 400 degrees and astigmatism of 100 to 150 degrees, with a thicker cornea and elevated intraocular pressure. I am on a regular regimen of eye drops for treatment and have floaters. Just now, I experienced a sudden moment...

Monocular vision When one eye is covered (in complete darkness) and the other eye is used to see (without blinking), initially the vision is normal, but after a while, irregular black spots appear, and the location of these black spots varies. However, after resting for 10 second...

Monocular implantable glasses Recently, I have cataracts in my right eye and need to replace the artificial lens, but my left eye is in good condition. My previous doctor only mentioned two options: replacing the lens or wearing contact lenses long-term, but did not mention the o...

Vision problems Hello, Doctor. I have some questions regarding my high myopia (right eye -1500, left eye -1300). Q1: I have heard that using old glasses can be more comfortable for long periods of reading or using a computer. However, my old glasses were prescribed several year...

Conjunctivitis can lead to corneal complications? A few days ago, I was diagnosed with conjunctivitis. After about 2-3 weeks of treatment, although my symptoms have improved, today marks the 25th day, and I am experiencing blurred vision. The diagnosis indicates that there is an ...

Post-operative Care Instructions After Retinal Hole Laser Surgery Hello Doctor, I have myopia in both eyes, each at -9.00 diopters with a vision of 4/24. I recently underwent laser surgery for a retinal tear. After the procedure, the doctor advised me not to shake my head vigorou...