Understanding Retinal Hemorrhage: Is It Eye Stroke or High Blood Pressure?
About retinal vascular occlusion? Hello, doctor. Due to being overweight during my school years and possibly having a hereditary blood pressure issue, I experienced retinal hemorrhage, which affected my vision. Later, the ophthalmologist said that as long as I lower my blood pres...
Dr. He Jianxian reply Ophthalmology
Extremely high blood pressure can cause retinal patch hemorrhages. If the bleeding is due to this condition, simply lowering the blood pressure will lead to natural resolution; it is not a stroke.[Read More] Understanding Retinal Hemorrhage: Is It Eye Stroke or High Blood Pressure?
Understanding Floaters and Visual Persistence: When to Seek Help
Floaters and visual persistence? Hello Doctor: My vision is 500/775, and I have noticed an increase in floaters over the past few months. Since I live in the city, I thought it was just an increase of 1 or 2 floaters. However, last week when I was on a boat surrounded by no build...
Dr. He Jianxian reply Ophthalmology
There are several conditions to pay special attention to: 1. A sudden increase in the number of floaters. 2. The appearance of continuous high-frequency flashes of light. 3. A portion of the visual field appears particularly blurred. 4. Straight lines appear slightly bent or dist...[Read More] Understanding Floaters and Visual Persistence: When to Seek Help
Understanding Color Changes and Visual Disturbances in Eye Focus
When you fixate on a point for an extended period, the surrounding area may appear to change color? 1. When focusing on a point (such as during a conversation), there may be a phenomenon of peripheral color change, which normalizes after a few seconds. 2. Gazing at a white sky or...
Dr. He Jianxian reply Ophthalmology
1. I cannot explain why you are experiencing changes in color perception based on my experience. 2. This is known as floaters, and I recommend undergoing a dilated fundus examination. 3. Sensitivity to light varies from person to person; if the photophobia is not severe, it s...[Read More] Understanding Color Changes and Visual Disturbances in Eye Focus
Understanding Glaucoma Concerns: A Guide for High Myopia Patients
Concern for glaucoma Hello, Doctor. I am a programmer with high myopia. Last year, my intraocular pressure was as high as 26. The doctor prescribed me a fatigue-relief eye drop, and after three days, my pressure dropped to 18-19 during a follow-up. Two months later, I went to Hos...
Dr. He Jianxian reply Ophthalmology
1. OCT results do not fully represent the presence or absence of glaucoma and must be interpreted in conjunction with other conditions. 2. There are no clinical reports linking excessive eye strain to the development of glaucoma. 3. Essentially, if glaucoma has not been confirmed...[Read More] Understanding Glaucoma Concerns: A Guide for High Myopia Patients
Understanding Floaters: When to Worry About Eye Health Issues
Increased floaters, small black dots? Hello, doctor. I have floaters and anisometropia; one eye is about -3.00 diopters myopic, while the other eye is normal. However, I have floaters in both eyes. I previously consulted a doctor who said there was not much issue. Recently, when ...
Dr. He Jianxian reply Ophthalmology
If you have concerns, it is recommended that you visit an ophthalmology clinic or hospital for a dilated fundus examination. If there are no issues, you can feel reassured.[Read More] Understanding Floaters: When to Worry About Eye Health Issues
Understanding Floaters and Flashing Lights in Your Vision
Floaters and small light spots? Hello, doctor. I have been experiencing floaters for over a year now, and I have unequal vision in both eyes. One eye is myopic with approximately -3.00 diopters and astigmatism of -0.50, while the other eye is normal. For quite some time, I have n...
Dr. He Jianxian reply Ophthalmology
If you have concerns, it is recommended that you visit an ophthalmology clinic or hospital for a dilated fundus examination. If there are no issues, you can feel reassured.[Read More] Understanding Floaters and Flashing Lights in Your Vision
Can Uncomfortable Glasses Cause Temporary Floaters and Vision Changes?
Can improper lenses cause temporary floaters? Hello Doctor: Recently, I got new lenses and have been experiencing significant discomfort in my eyes, including soreness and headaches. After two to three days, I noticed the appearance of white, cloudy floaters in my vision (I have ...
Dr. He Jianxian reply Ophthalmology
The formation of floaters is likely not significantly related to wearing glasses; however, if wearing glasses causes discomfort and headaches, then adjusting the lenses is necessary![Read More] Can Uncomfortable Glasses Cause Temporary Floaters and Vision Changes?
Can People with High Myopia Safely Practice Yoga and Strength Training?
Can individuals with high myopia practice yoga or strength training? Hello, I have high myopia of about 700 degrees in both eyes and hereditary astigmatism of about 200 degrees. I regularly check my fundus, and it appears that the peripheral areas are thinner but still within nor...
Dr. He Jianxian reply Ophthalmology
Basically, there are not many restrictions on your activities. If you have concerns about exercise, just avoid sudden acceleration, deceleration, or rapid rotational movements of the head.[Read More] Can People with High Myopia Safely Practice Yoga and Strength Training?
Seeing Strange Patterns in Vision: Possible Retinal Issues Explained
Seeing strange stripes or patterns when looking at objects? Hello Doctor: In the past few nights, I have been seeing strange patterns with yellow backgrounds and black stripes (similar to the net-like pattern of a cantaloupe) in my vision, lasting for more than 10 minutes. Even w...
Dr. He Jianxian reply Ophthalmology
It is recommended that you undergo a dilated eye examination, which can be performed by any ophthalmologist. If the results of the examination are normal, you can be assured.[Read More] Seeing Strange Patterns in Vision: Possible Retinal Issues Explained
Can Erythromycin Ointment Help with Dry Eye After Cataract Surgery?
Erythromycin ophthalmic ointment My grandmother had cataract surgery a year and a half ago and has tried everything possible but is still suffering from dry eye syndrome. I would like to ask if erythromycin eye ointment is effective, and if not, what other treatments are availabl...
Dr. He Jianxian reply Ophthalmology
If specialized artificial tears, gels, and ointments do not resolve the issue of dry eye syndrome, punctal occlusion therapy may be considered. (PS. Erythromycin is not designed for the treatment of dry eye syndrome.)[Read More] Can Erythromycin Ointment Help with Dry Eye After Cataract Surgery?
Understanding Light Sensitivity and Night Vision Issues in Myopia
Photophobia and nocturnal diplopia? Hello, Doctor. I have high myopia (L: -9.25, R: -9.0, latest refraction) but I usually wear glasses with a prescription of L: -7.5, R: -7.25 (from four years ago when I was 22). My left eye has 25 degrees of astigmatism and I experience floater...
Dr. He Jianxian reply Ophthalmology
It is recommended that you visit an ophthalmology specialist for an examination and consultation, as this may help identify the underlying cause more easily.[Read More] Understanding Light Sensitivity and Night Vision Issues in Myopia
Using Mydriatic Eye Drops for Myopia and Retinal Concerns
Mydriatic Eye Drops 1% 1) Is it beneficial for myopia (approximately -700°) to use the aforementioned dilating drops before bedtime for vision maintenance? 2) For a small retinal tear (left eye), can the aforementioned dilating drops still be used? If laser treatment has alread...
Dr. He Jianxian reply Ophthalmology
Pupil-dilating eye drops are generally recommended for use primarily during dilated eye examinations in adults and are not advised for routine vision maintenance. As for whether vitamin B12 is beneficial for the eyes, opinions may vary, but it should at least be harmless.[Read More] Using Mydriatic Eye Drops for Myopia and Retinal Concerns
Risks of Eye CT Scans: Do They Increase Cataract Development?
What are the risks of undergoing an eye CT scan? Hello, doctor. A report indicates a strong correlation between frequent "computed tomography (CT) scans" and "cataracts" (http://www.auntminnie.com/index.aspx?sec=ser&sub=def&pag=dis&ItemID=104323). ...
Dr. He Jianxian reply Ophthalmology
Optical coherence tomography (OCT) for the eyes, despite having "computed tomography" in its name, operates on a completely different principle than conventional computed tomography (CT). It utilizes the principle of light wave interference to create images, resulting i...[Read More] Risks of Eye CT Scans: Do They Increase Cataract Development?
Why Your Computer Screen Appears to Shake: Eye Health Insights
The computer screen keeps shaking back and forth? I experience constant horizontal shaking of the screen when looking at the computer, and straight lines appear distorted. I had a fundus photography and slit lamp examination of the macula, which were normal. The doctor suggested ...
Dr. He Jianxian reply Ophthalmology
Hello: It is recommended to inquire during an outpatient visit for clearer information.[Read More] Why Your Computer Screen Appears to Shake: Eye Health Insights
Should Surgery Be Considered for Retinal Detachment in Children?
Is surgical treatment necessary for retinal detachment? Hello, Doctor He! My child is currently in the ninth grade and has been receiving regular check-ups for amblyopia at Taichung Veterans General Hospital since the third grade (every 3 to 6 months). Due to academic pressures a...
Dr. He Jianxian reply Ophthalmology
Hello: Generally, the issue of retinal detachment can be confirmed through a dilated fundus examination. I'm not sure why Chang Gung Memorial Hospital requires fundus photography to confirm this issue. Retinal detachment typically requires surgery, but without knowing your c...[Read More] Should Surgery Be Considered for Retinal Detachment in Children?
Is Constant Lateral Movement of Objects a Sign of Macular Degeneration?
Objects appear to shake or sway continuously when viewed? Is the constant shaking of objects when looking at them a sign of macular degeneration?
Dr. He Jianxian reply Ophthalmology
Hello: It is recommended to visit the outpatient clinic for a check-up, so that the physician can provide a clearer diagnosis. Wishing you good health.[Read More] Is Constant Lateral Movement of Objects a Sign of Macular Degeneration?
Understanding Increasing Eye Prescription: Risks and Concerns
Flash~~~~ Hello, doctor~~ I would like to ask about my astigmatism. My prescription increased from 200 degrees to 500 degrees a while ago. It seems that my astigmatism is not improving. If this continues to worsen, will I eventually go blind?
Dr. He Jianxian reply Ophthalmology
Hello: Under normal circumstances, astigmatism does not tend to increase significantly. If you notice a continuous increase in your astigmatism, it is recommended that you visit a medical center or a large hospital for a corneal topography examination to determine if there are an...[Read More] Understanding Increasing Eye Prescription: Risks and Concerns
Seeing Flashes After Scleral Buckling: Should You Be Concerned?
Flashes of light reappearing a few weeks after scleral buckle surgery? Hello Doctor, I had a scleral buckle surgery for retinal detachment in my left eye about a month ago and was hospitalized for nine days. The doctor said the attachment is good and I should return for a follow-...
Dr. He Jianxian reply Ophthalmology
Hello: It is advisable to visit a medical institution for examination. Wishing you good health.[Read More] Seeing Flashes After Scleral Buckling: Should You Be Concerned?
Understanding Vitreous Degeneration: Should You Change Your Career?
Vitreous degeneration Hello Doctor, six months ago, whenever I turned off the lights at night, I would see bright spots when moving my eyes. If I closed my eyes and shook my head, I would see circles and bright dots. At that time, I was diagnosed with a small tear and underwent l...
Dr. He Jianxian reply Ophthalmology
Hello: Essentially, your work increases the likelihood of presbyopia appearing earlier, but I believe you are overly concerned about work causing blindness. I recommend that you have a dilated retinal examination at most every six months. Wishing you good health.[Read More] Understanding Vitreous Degeneration: Should You Change Your Career?
Does Floaters Affect Vision and Cause Astigmatism After LASIK?
Does floaters cause astigmatism? Hello, Doctor He. I would like to ask you about my situation. I underwent LASIK surgery for my myopia ten years ago, but I started experiencing floaters in my right eye two months ago and in my left eye one month ago. Will floaters affect my visio...
Dr. He Jianxian reply Ophthalmology
Hello: Floaters are generally not related to the degree of myopia or astigmatism. Since your prescription has changed and your corrected vision is unsatisfactory, it is recommended that you return to the facility where you had the laser surgery for further examination to check fo...[Read More] Does Floaters Affect Vision and Cause Astigmatism After LASIK?