Understanding Zigzag Flashes: Eye Strain, Migraines, and Eye Pressure
Hello, doctor. I would like to ask..? Hello, doctor. Sometimes I experience zigzag flashes in my vision that last for about 10 minutes. I previously had an eye examination, and the doctor told me there were no issues with my eyes. I would like to know if these zigzag flashes rela...
Dr. Cai Wenyuan reply Ophthalmology
It may not necessarily be related.[Read More] Understanding Zigzag Flashes: Eye Strain, Migraines, and Eye Pressure
Can Wide-Angle Imaging Check Retina Without Dilation for High Myopia?
Can a retinal examination be performed without dilation using the fundus camera? Due to light sensitivity, I find car headlights very bright at night, and I have a history of high intraocular pressure, which makes me unsuitable for dilated fundus examinations. 1. I would like to ...
Dr. Cai Wenyuan reply Ophthalmology
Non-mydriatic fundus photography is generally used for screening diabetic retinopathy. However, to examine the retina thoroughly, dilation is still necessary.[Read More] Can Wide-Angle Imaging Check Retina Without Dilation for High Myopia?
Impact of Direct Flash Exposure on Eye Health: Risks and Concerns
The eyes were directly exposed to a flash of light? On April 25th at 5 PM, I used my phone's selfie function to take a close-up photo of my left eye (within 10 to 15 centimeters) and forgot to turn off the flash. The flash directly illuminated my eye, causing my vision to go...
Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Impact of Direct Flash Exposure on Eye Health: Risks and Concerns
Understanding Eye Health: Symptoms and When to Seek Treatment
Assessment of Eye Health Hello, doctor. I would like to address some long-standing eye issues through the following questions. I hope you can help me determine the causes of my symptoms and whether treatment is necessary. Thank you very much for your assistance. 1. Since I was t...
Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Eye Health: Symptoms and When to Seek Treatment
Understanding Eye Pain: Causes and When to Seek Medical Attention
Frequent eye pain? Hello, doctor. I usually spend a lot of time on my phone and computer. Since last year, whenever I'm outdoors in bright sunlight, my eyes start to hurt. I also experience discomfort from the brightness when watching TV, using my computer, or looking at my ...
Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Eye Pain: Causes and When to Seek Medical Attention
Understanding Acute Conjunctivitis with Keratitis: Symptoms and Aftermath
Acute conjunctivitis with keratitis Hello, Doctor! I have a history of dry eye syndrome, but this time I developed acute conjunctivitis with keratitis in my left eye. I have been using eye drops for a week. The keratitis is located only at the outer edge of the pupil on the left ...
Dr. Cai Wenyuan reply Ophthalmology
It is possible.[Read More] Understanding Acute Conjunctivitis with Keratitis: Symptoms and Aftermath
Understanding White Fog in Vision: Causes and Solutions
Visual haze Hello, doctor. Occasionally, when I look at my phone or tablet at home, I experience a foggy vision. I would like to know if this is caused by looking at screens for too long or if it could be related to another condition.
Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding White Fog in Vision: Causes and Solutions
Understanding Strabismus: Insights from a Patient with Cervical Dystonia
Is it strabismus? Hello doctor, I have a condition known as cervical dystonia, which affects the muscles in my neck, specifically on the right side. I developed this condition when I was 12 years old; prior to that, everything was normal. As a result, my neck tilts upward to the ...
Dr. Cai Wenyuan reply Ophthalmology
It is recommended to visit a medical center for examination.[Read More] Understanding Strabismus: Insights from a Patient with Cervical Dystonia
Understanding Colorful Spots in Vision: Is It Visual Afterimage or Floaters?
Seeing colored spots intermittently in the eyes? Hello, doctor. I've been experiencing this issue for the past 1 to 2 months, and it's quite bothersome. At the end of last year, I got a new pair of glasses (one lens is 600 and the other is 800) because I was having trou...
Dr. Cai Wenyuan reply Ophthalmology
It may be vitreous floaters.[Read More] Understanding Colorful Spots in Vision: Is It Visual Afterimage or Floaters?
Understanding Pathological Myopia: Eye Axis Growth and Complications
What problems can be caused by pathological myopia? Hello Doctor, I am 30 years old and recently noticed that my axial length has increased compared to three years ago: my left eye has increased by 0.20 mm (29.99 mm) and my right eye by 0.07 mm (29.84 mm). My refractive error has...
Dr. Cai Wenyuan reply Ophthalmology
Intraocular pressure should not be affected.[Read More] Understanding Pathological Myopia: Eye Axis Growth and Complications
Concerns About Eye and Other Infections in Young Children
Concern about eye and other infections in children? Dear Dr. Tsai, Recently, I took my 2-year-old child to a hotel in Kenting, where the following two incidents occurred: 1. While bathing, the showerhead fell to the ground, and a strong jet of water sprayed into my child'...
Dr. Cai Wenyuan reply Ophthalmology
Observe for any abnormalities, and then seek medical examination.[Read More] Concerns About Eye and Other Infections in Young Children
Understanding Astigmatism in Children: A Guide for Parents
My 5-year-old child has astigmatism of over 200 degrees? Hello, Director Tsai. My 5-year-old child was found to have astigmatism during a vision examination, with uncorrected vision of 0.5 in both eyes. With glasses, the right eye is 0.8 and the left eye is 0.7. The doctor mentio...
Dr. Cai Wenyuan reply Ophthalmology
Amblyopia should be treated as early as possible; if there are any doubts, it is advisable to seek a second opinion from another hospital or clinic.[Read More] Understanding Astigmatism in Children: A Guide for Parents
Can Dilating Eye Drops Help Prevent Myopia in Children?
Preventing Myopia Hello, my child is currently in the fifth grade, and their vision measured at school is 1.0/0.9. Can I use a 0.01% concentration of a cycloplegic agent to prevent myopia? Thank you!
Dr. Cai Wenyuan reply Ophthalmology
It is recommended to seek medical examination.[Read More] Can Dilating Eye Drops Help Prevent Myopia in Children?
Understanding Cataract Surgery and the Use of Corning Unisight Eye Drops
Cataract Surgery & Eye Drops - Konyun Eye Drops Suspension 1. OD: 0.3X-0.75-3.00AX80 S.E. -1.75, OS: 0.3X+0.50-5.00AX90 S.E. -1.75. 2. Corrected visual acuity: Right: 0.8~0.9, Left: 0.7. 3. In 2015, the right eye had a retinal tear that was treated with laser photocoagulation...
Dr. Cai Wenyuan reply Ophthalmology
This medication does not contain steroids.[Read More] Understanding Cataract Surgery and the Use of Corning Unisight Eye Drops
Understanding Gray Floaters in One Eye: Causes and Solutions
Seeing gray, patchy objects in the eye? Hello: This situation has occurred three times, but there is no fixed pattern; the three occurrences did not happen in the same year. I have myopia and astigmatism, but it is not high myopia. The symptoms appear in one eye at a time, either...
Dr. Cai Wenyuan reply Ophthalmology
Observe the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Gray Floaters in One Eye: Causes and Solutions
Does Staying Up Late Cause Eyelash Loss? Understanding the Impact
Eyelash issues Does staying up late cause eyelash loss?
Dr. Cai Wenyuan reply Ophthalmology
Avoiding staying up late is beneficial for the body.[Read More] Does Staying Up Late Cause Eyelash Loss? Understanding the Impact
Understanding the Use of Reading Glasses with Myopia: Expert Insights
The confusion regarding the use of magnifying glasses with myopia glasses and reading glasses? Hello, doctor. I have a prescription of L-175 and R-125, and I experience blurriness when looking at distant objects. I have already obtained glasses for my myopia. 1. I need to use m...
Dr. Cai Wenyuan reply Ophthalmology
It has become clear that a magnifying glass may not be necessary. The need for corrective lenses depends on age and individual circumstances.[Read More] Understanding the Use of Reading Glasses with Myopia: Expert Insights
Understanding Eye Floaters: Causes and When to Seek Help
Appearance of floaters in the eyes? Hello, doctor. Last night, I woke up in the middle of my sleep and noticed a whole field of spots in front of my eyes, some of which were moving. I could also see them when I closed my eyes, but they disappeared after I woke up during the day. ...
Dr. Cai Wenyuan reply Ophthalmology
Monitor the symptoms, and if they persist, seek medical evaluation.[Read More] Understanding Eye Floaters: Causes and When to Seek Help
Understanding Black Spots in Vision: Eye and Brain Health Concerns
An open eye will see a black image covering that eye? During my visual field test, the eye that is open experiences a persistent black shadow obscuring the view of the other eye. Whenever I cover one eye and open the other, I can see this shadow, but it doesn't happen immedi...
Dr. Cai Wenyuan reply Ophthalmology
The visual field examination is normal, which may be a physiological phenomenon. Regular follow-up is recommended.[Read More] Understanding Black Spots in Vision: Eye and Brain Health Concerns
Understanding Post-Cataract Surgery Visual Disturbances and IOL Options
Inquiries After Intraocular Lens Surgery Hello, doctor. It has been a month since I had my intraocular lens (IOL) replaced, and at night under lights, I often see a crescent-shaped light shadow that resembles the edge of a lens. I would like to ask if there are different sizes of...
Dr. Cai Wenyuan reply Ophthalmology
The sizes of intraocular lenses are quite similar; it is recommended to seek medical examination.[Read More] Understanding Post-Cataract Surgery Visual Disturbances and IOL Options