Understanding Eye Flashes and Floaters: When to Seek Help
Flashes of light in the eyes? Hello Doctor, I have myopia in both eyes of about 375 degrees and astigmatism of over 100 degrees. A month ago, I had a retinal examination, and the doctor said there were no abnormalities, but I should be cautious about flashes, which has made me a ...
Dr. Gao Pilin Reply:
Hello: If you are experiencing discomfort in your eyes, you should get it checked out rather than guessing, which can only increase your anxiety; it may be a symptom that is not significant. Generally, floaters are not a cause for concern; if an examination shows normal results, ...[Read More] Understanding Eye Flashes and Floaters: When to Seek Help
Understanding the Relationship Between High Myopia and Cup-to-Disc Ratio
High myopia cup-to-disc ratio question? Hello, doctor. I have high myopia (R1200, L900) and floaters. Currently, my prescription changes by about 50 degrees after dilation (the doctor said this is normal), and my intraocular pressure measurements have always been normal. During a...
Dr. Gao Pilin Reply:
Hello JJ: 1. The cup-to-disc ratio is an indicator used to assess the optic nerve, and a slightly elevated cup-to-disc ratio caused by high myopia does not necessarily indicate glaucoma. 2. Diagnosis codes are sometimes required for examinations, but the presence of a diagnosis m...[Read More] Understanding the Relationship Between High Myopia and Cup-to-Disc Ratio
Can Retinal Dilation Exams Detect Macular Degeneration?
Regarding macular degeneration examination? Hello Doctor, I would like to ask if I have undergone a dilated fundus examination of the retina (I have high myopia). Can macular degeneration be detected during the dilated fundus examination? Since I have this examination done once a...
Dr. Gao Pilin Reply:
Hello, the dilated fundus examination can reveal most macular diseases. If there are no symptoms, this examination is sufficient. However, if symptoms are present, the physician may arrange for additional tests, such as fundus fluorescein angiography or optical coherence tomograp...[Read More] Can Retinal Dilation Exams Detect Macular Degeneration?
Understanding Visual Distortions: When Straight Lines Appear Wavy
Follow-up question - The line is not straight? Hello, Dr. Gao. I previously inquired about the following issues: 1. When I focus on a straight line with my right eye, it appears slightly distorted with a mild wave-like sensation. The Amsler grid test seems fine. The images of m...
Dr. Gao Pilin Reply:
Hello Ant: 1. The material of the glasses themselves can also cause image distortion; if the optical properties of the lenses are poor, this can occur. 2. If it is a refractive issue with the eyes, sometimes it cannot be fully corrected with glasses. When glasses are first prescr...[Read More] Understanding Visual Distortions: When Straight Lines Appear Wavy
Understanding Retinal Laser Treatment: Insights and Concerns for Patients
Retinal laser treatment 1. After going to the ophthalmology clinic for an evaluation of my myopia surgery, I discovered that both of my eyes had holes during the retinal examination. The right eye was more severe, showing signs of retinal detachment. The doctor performed laser tr...
Dr. He Jianxian Reply:
1. A retinal tear, if accompanied by a localized detachment that is very small, can indeed be treated with laser therapy. Surgery is only necessary if the area of detachment continues to expand after the laser treatment. 2. It is best not to rub the eyes, but if rubbing does caus...[Read More] Understanding Retinal Laser Treatment: Insights and Concerns for Patients
Understanding Temporary Eye Shadows: A Guide for High Myopia Patients
Eye floaters? Hello, doctor! I am a patient with high myopia (left eye -12.25; right eye -11.00) and I also have floaters. I am currently thirty years old. When I move my left eye, I experience a brief shadow that lasts for about less than a second. In my right eye, when I move i...
Dr. He Jianxian Reply:
Your description seems to indicate a phenomenon known as "floaters." If you have undergone a dilated eye exam and no issues were found, there is likely no need for excessive concern. Regular follow-up appointments to check the retina should suffice. Dr. Ho Chien-Hsien, ...[Read More] Understanding Temporary Eye Shadows: A Guide for High Myopia Patients
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.[Read More] Understanding Single-Eye Visual Disturbances: Causes and Solutions
Understanding the Impact of Incorrect Prescription Glasses on Vision Health
Prescription lens degree issues? Hello, I recently visited an ophthalmology clinic and during the examination, my corrected visual acuity with glasses was R: 0.6 and L: 0.7. It was found that my glasses prescription was overcorrected by more than 100 degrees (my actual myopia is ...
Dr. Gao Pilin Reply:
Hello Mr. Gong: 1. It will not cause any harm to the eyes, but it may lead to increased fatigue. 2. If there are no specific issues, a dilated fundus examination once a year should be sufficient.[Read More] Understanding the Impact of Incorrect Prescription Glasses on Vision Health
Understanding Retinal Issues After Eye Trauma: Symptoms and Solutions
Retinal issues Hello doctor, two days ago I was hit in the eye by a dodgeball (quite hard). At that moment, my vision was reduced to a small blurry area in the center. After a few minutes, I noticed a shadow in the lower part of my vision, which eventually went away. However, I w...
Dr. Gao Pilin Reply:
Hello, the redness in your eye may be due to a subconjunctival hemorrhage, and it will take time for the blood to be reabsorbed before the redness resolves. This may take a week or longer. The shadow you are seeing could be due to changes in the vitreous caused by trauma. If the ...[Read More] Understanding Retinal Issues After Eye Trauma: Symptoms and Solutions
Understanding Vitreous Degeneration and Floaters: What You Need to Know
Vitreous degeneration with floaters? Hello, doctor: When I close my eyes, I often see a yellow circle that seems to float. I understand that this is due to vitreous degeneration. I have a myopia of 1000 degrees, and my retinal examination shows that the retina is healthy. I have ...
Dr. Gao Pilin Reply:
Hello Amy: It is not possible to know on your own. Additionally, not everyone will experience posterior vitreous detachment. Even if detachment occurs, it may not be complete. Plank exercises should be fine. However, exercises that involve vigorous head movements are not recommen...[Read More] Understanding Vitreous Degeneration and Floaters: What You Need to Know
Understanding Flashing Lights in the Corner of Your Eye
Flashes of light in the peripheral vision? Hello, doctor: Recently, I have noticed that when I look at the wall and then shift my gaze upward and forward, I see several flashes of light in the outer corner of my right eye. I had a fundus examination done recently, which did not r...
Dr. He Jianxian Reply:
Eye movements can sometimes cause the vitreous to pull on the retina, leading to the appearance of flashes of light. If a retinal examination has been performed and no issues were found, there is generally no cause for concern. Dr. Ho Chien-Hsien, Department of Ophthalmology, Nan...[Read More] Understanding Flashing Lights in the Corner of Your Eye
Understanding the Impact of Frequent Retinal Exams on Eye Health
Retinal haze examination Hello Doctor: I would like to ask you again: I have undergone five retinal examinations within two months, during which the medical equipment used by the doctors emits strong light directly into my eyes. I experience discomfort and light sensitivity durin...
Dr. Gao Pilin Reply:
Hello, Xiaomi: 1. There will be no issues. 2. If there is still pain, go for an examination; it's okay.[Read More] Understanding the Impact of Frequent Retinal Exams on Eye Health
Understanding Retinal Checkups: Concerns and Safety for Eye Health
Retinal examination issues? Hello Doctor: Due to a retinal hole many years ago, I underwent retinal laser surgery. I have been regularly returning for dilated eye examinations. Between January and February 21 of this year, I had multiple visits (5 times) due to black shadows in m...
Dr. Gao Pilin Reply:
Hello, Xiaomi: 1. No, schoolchildren use dilating drops daily for myopia prevention. 2. The pupil may not constrict back, which can happen. 3. It depends on the strength, direction, and duration of the effect. It cannot be generalized. Therefore, if there is an injury, it should ...[Read More] Understanding Retinal Checkups: Concerns and Safety for Eye Health
Understanding Eye Flashes and Shadows: What You Need to Know
Flashes of light in the eyes? Hello Doctor: Recently, I have noticed several flashes of light near the bridge of my nose in my left eye when it feels prickly, and there is a fixed black shadow directly below my left eye, which is causing me a lot of anxiety. Could you please tell...
Dr. He Jianxian Reply:
Your description may indicate the presence of floaters. It is recommended to visit an ophthalmologist for a comprehensive retinal examination with dilation. Director He Jianxian, Nantou Hospital Ophthalmology Department.[Read More] Understanding Eye Flashes and Shadows: What You Need to Know
Understanding Vision Discrepancies: Left Eye Darker in Low Light
One eye bright, one eye dim? When observing a light in a dark environment (such as with a vision testing projector), it seems that the visual field of the left eye is darker and more blurred compared to the right eye. However, in daily life (with ample lighting), the left eye app...
Dr. Gao Pilin Reply:
Hello Amy: It is possible for someone to have a difference between their two eyes. A discrepancy in the degree of myopia between the eyes can also lead to differences in retinal function. If the examination shows no issues, you should be able to feel reassured.[Read More] Understanding Vision Discrepancies: Left Eye Darker in Low Light
Understanding Eye Flickering: Insights for Nearsighted Individuals
Staring at the office ceiling lights (which are not very strong light sources) for an extended period of time? Hello Doctor, I have myopia of -6.50/-8.00, and I am 43 years old. When I look at the office ceiling lights (which are not very strong light sources) for an extended per...
Dr. Gao Pilin Reply:
Hello Jason: Ceiling lights tend to flicker, except for incandescent bulbs. Fluorescent lights and LED lights can also flicker. You may be more sensitive to this, or it could be due to eye fatigue from prolonged exposure, which causes the ciliary muscles to contract, resulting in...[Read More] Understanding Eye Flickering: Insights for Nearsighted Individuals
Seeing Rainbow Halos Around Lights After Dilation: Is It Normal?
After dilation, seeing halos around streetlights? Hello, doctor. I have high myopia (left eye -1050, right eye -1200) and floaters. Due to the combination of high myopia and floaters, I regularly undergo retinal examinations. In the past two weeks, I have had two dilated eye exam...
Dr. He Jianxian Reply:
It is possible to experience this phenomenon after dilation; there is no need to worry as long as it resolves once the pupils return to normal. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.[Read More] Seeing Rainbow Halos Around Lights After Dilation: Is It Normal?
Understanding Eye Floaters: Causes and Concerns for Your Vision
Eye problems Hello doctor, I have floaters in both of my eyes. Recently, I had an examination of my retina, and there was no sign of detachment. However, I sometimes see two clusters of black fog swirling in front of me, usually occurring outdoors. They last for about 20 minutes ...
Dr. Gao Pilin Reply:
Hello, A-Yun: This is likely a phenomenon of floaters. If the retinal examination shows no issues, there is no need to worry. When the cloudy part moves near the center of your vision, it becomes more noticeable; otherwise, it is less apparent.[Read More] Understanding Eye Floaters: Causes and Concerns for Your Vision
Understanding Retinitis Pigmentosa and Night Blindness: Key Insights
Retinal pigment, night blindness? 1. I would like to ask the doctor, if I am already 50 years old and have not yet shown symptoms of retinitis pigmentosa, is there still a possibility of developing the condition after the age of 50? Most information online states that symptoms ty...
Dr. Gao Pilin Reply:
Hello, Miss Lin: Difficulty seeing at night is not necessarily night blindness; it may simply be due to refractive error, which can be corrected with appropriate glasses. Night blindness, or nyctalopia, refers to the inability to see nearby objects in low-light conditions, such a...[Read More] Understanding Retinitis Pigmentosa and Night Blindness: Key Insights
Understanding Floaters and Flashes: Key Insights for Eye Health
Floaters and flashes? Hello, Doctor. Since June of this year, I have been experiencing a significant amount of floaters in both eyes. However, starting in September, I began to notice that when I look at a white wall and move my eyes to the left and then back to the center, I see...
Dr. Gao Pilin Reply:
Hello, patients with floaters: 1. It should be this way. 2. Yes, pulling can cause a sensation of flashes, but it doesn't necessarily mean there will be a tear. 3. No, some children use dilating drops daily to prevent myopia. 4. There have been no flashes, so no retinal exam...[Read More] Understanding Floaters and Flashes: Key Insights for Eye Health