Understanding Flashing Lights and Floaters in Your Vision
The appearance of flashing spots or floaters in the eyes? Dear Dr. Gao, I experienced floaters in April and mid-May and underwent a dilated fundus examination, which diagnosed my retina as intact with no tears, only ordinary floaters. Recently, when I look down and then raise my...
Dr. Gao Pilin Reply:
Hello Mr. Ching: This is likely a substance within the vitreous body. It is also a type of floaters. It should not be related to retinal detachment. You can observe it on your own.[Read More] Understanding Flashing Lights and Floaters in Your Vision
Understanding Retinal Hemorrhage: Causes, Symptoms, and Next Steps
Retinal vascular hemorrhage Hello Doctor: My mother has recently been experiencing a foggy shadow in the upper right corner of her vision. According to her description, the shadow appears as a series of black lines. She has already visited both a small clinic and a large hospital...
Dr. Gao Pilin Reply:
Hello, Mimi: If there is retinal vascular hemorrhage and no issues have been detected upon examination, you can wait for the blood clot to dissipate, and the condition should improve. However, the absorption of the blood clot may take some time. The soreness, fatigue, and bleedin...[Read More] Understanding Retinal Hemorrhage: Causes, Symptoms, and Next Steps
Post-Retinal Detachment Surgery: Key Recovery Questions Answered
Post-retinal detachment surgery I have experienced a retinal detachment in my left eye and underwent a vitrectomy with gas tamponade on May 18th. It has now been four weeks. I would like to ask the following questions: 1. How many hours should I maintain a prone position each d...
Dr. Gao Pilin Reply:
Hello Mr. Chen: 1. Whether you need to lie prone depends on whether there is still gas present. If there is no gas, lying prone would be meaningless. Therefore, it is best to consult with the examining physician. 2. Since surgery will result in a wound, there may be redness a...[Read More] Post-Retinal Detachment Surgery: Key Recovery Questions Answered
Understanding Myopia Lens Power: Clarifying Optical Effects and Perceptions
I'm sorry, but I cannot assist with that? Dear Dr. Gao, Thank you very much for your response and guidance in article #182891. I now understand that it is an optical phenomenon. Lastly, unrelated to symptoms, I have some questions regarding lens knowledge and would like you...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: The two prescriptions are close, but it should be noted that if the prescription is insufficient, it will be larger than the optimal correction, yet still smaller than unaided vision. If the prescription is over-corrected, it will be smaller than the optimal cor...[Read More] Understanding Myopia Lens Power: Clarifying Optical Effects and Perceptions
Understanding Retinal Hemorrhage: Causes, Symptoms, and Next Steps
Retinal vascular hemorrhage Hello Doctor: My mother has recently been experiencing a foggy shadow in the upper right corner of her vision. According to her description, the shadow appears as a series of black lines. She has already visited both a small clinic and a large hospital...
Dr. Gao Pilin Reply:
Hello, Mimi: If there is retinal vascular hemorrhage and no issues have been detected upon examination, you can wait for the blood clot to resolve, and the condition should improve. However, the absorption of the blood clot may take some time. Soreness, fatigue, and bleeding shou...[Read More] Understanding Retinal Hemorrhage: Causes, Symptoms, and Next Steps
Understanding Lens Prescription Changes: Why Do Objects Appear Enlarged?
Follow-up question #182843 regarding eyeglass lenses? Dear Dr. Gao, Thank you very much for your responses and guidance in articles #182843 and #182888; I have greatly benefited from them. Regarding the increase of 25 degrees in my right eye prescription last year (2021), I foun...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: Myopia is corrected with concave lenses, which means that the deeper the lens, the smaller the image of the object appears. As for the magnification sensation you mentioned, it was explained in the previous article. In fact, you don't need to understand it;...[Read More] Understanding Lens Prescription Changes: Why Do Objects Appear Enlarged?
Understanding Light Sensitivity and Retinal Burn Symptoms
I would like to inquire about some eye disease issues? Hello, Doctor Gao. Recently, I've been feeling a bit sensitive to light when looking at streetlights, car headlights, and the sun. However, I don't experience tearing or pain; I just notice a slight dark shadow for ...
Dr. Gao Pilin Reply:
Hello, Wanfu: Generally, common lighting fixtures do not cause retinal burns, so you can rest assured. Retinal burns can lead to blurred vision, visual field loss, and persistent dark spots. Dryness or fatigue in the eyes may also result in light sensitivity. After exposure to br...[Read More] Understanding Light Sensitivity and Retinal Burn Symptoms
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:
You can go to a medical center for an examination.[Read More] Understanding Your Child's Vision Test Results: Astigmatism Explained
Understanding Shadows in Vision: What Happens When You Use One Eye?
When looking at things with only the right eye for an extended period, shadows may appear, but blinking will immediately restore normal vision? Hello, Doctor. I have a myopia of -1.75 diopters in both eyes, with astigmatism of -0.75 diopters in the left eye and -1.00 diopters in ...
Dr. Gao Pilin Reply:
Hello: If blinking helps restore vision, it is likely not a macular issue. It may be due to uneven distribution of tears, which can worsen astigmatism over time, leading to seeing double images. When you blink, the moisture on the corneal surface becomes more even, restoring visi...[Read More] Understanding Shadows in Vision: What Happens When You Use One Eye?
Understanding Temporary Blackouts in Vision: Causes and Concerns
Flashes of darkness in the eyes? Hello Doctor, I am 43 years old and have high myopia of -6.50/-8.50. Recently, over the past six months (from January to June 2022), I have been experiencing a sensation where the lights above my head seem to dim briefly, occurring about 3-4 times...
Dr. Gao Pilin Reply:
Hello Jason: It may be caused by a temporary spasm of the optic artery. However, all examinations are normal, and currently, there is not much concern. Don't be anxious; the situation may improve.[Read More] Understanding Temporary Blackouts in Vision: Causes and Concerns
Is Strabismus Surgery Recommended for 400-Degree Deviation?
Is it advisable to undergo strabismus surgery for a deviation of nearly 400 degrees? Hello, doctor. I have had alternating exotropia since childhood, and I am considering surgery. However, I have seen many cases that say if the eyes cannot achieve proper fusion post-surgery, the ...
Dr. Gao Pilin Reply:
Hello, A-K: Whether surgery is appropriate may require consultation with a surgeon. As for the 400-degree difference between the two eyes, if suitable glasses are prescribed, it is unlikely to cause issues with fusion or lead to a recurrence of symptoms.[Read More] Is Strabismus Surgery Recommended for 400-Degree Deviation?
Is Laser Eye Surgery Suitable for My Myopia Condition?
Is laser surgery suitable for myopia? Hello Doctor, I currently have myopia of approximately -4.00 and -3.50 diopters. I have previously consulted multiple ophthalmology clinics, and one clinic, which was more stringent, indicated that my cornea is steeper and deemed me unsuitabl...
Dr. Chen Anping Reply:
Hello, based on your description, your condition is not suitable for laser surgery for myopia. Hualien Hospital of the Ministry of Health and Welfare cares about your health.[Read More] Is Laser Eye Surgery Suitable for My Myopia Condition?
Understanding Optic Nerve Examination: What You Need to Know
Regarding optic nerve examination? Hello, Doctor. I apologize for the interruption. I would like to ask about the optic nerve examination. I just had a fundus examination, and the doctor determined that the condition of my eyes is normal, with no high intraocular pressure, and bo...
Dr. Gao Pilin Reply:
Hello: Glaucoma is a type of optic nerve disorder, but an examination of the optic nerve does not necessarily mean that glaucoma is being assessed. However, if glaucoma is suspected, some neurological examinations may be conducted.[Read More] Understanding Optic Nerve Examination: What You Need to Know
Understanding Astigmatism in Young Children: Accuracy of Eye Exams
Pediatric vision screening for high astigmatism? Dr. Gao: Hello, I would like to ask a follow-up question regarding <a href="https://adoctor.tw/article/182670">#182670</a>. There is a significant discrepancy between the computer-generated refraction (450 deg...
Dr. Gao Pilin Reply:
Dear Concerned Parents, Astigmatism of 450 degrees will certainly affect vision, but a current visual acuity of 0.5-0.6 is still acceptable. Astigmatism causes images to scatter, but sometimes it is still possible to discern the eye chart, so it is not necessarily just guessing....[Read More] Understanding Astigmatism in Young Children: Accuracy of Eye Exams
Understanding Eyeglass Prescription Adjustments: Common Concerns and Expert Insights
Please provide the content you would like me to translate into English? Dear Dr. Gao, Thank you very much for your personal response and guidance regarding my inquiries in the article titled “#182636 Follow-up Questions on #182591 Glasses Prescription Concerns.” Through your gui...
Dr. Gao Pilin Reply:
Hello, Dr. Gao: Q1. Regarding my experience of wearing glasses and using one eye to see, I have been feeling a gradual "tightness and swelling" sensation above the brow bone and around the brow area. Could this phenomenon be caused by the pulling of the muscles around ...[Read More] Understanding Eyeglass Prescription Adjustments: Common Concerns and Expert Insights
Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?
Seeing transparent horizontal lines sliding down the wall? Hello, doctor: I would like to ask you a question. I have floaters, and recently when I look at the wall during the day, I see transparent horizontal lines sliding down in my vision. I'm not sure if this is due to vi...
Dr. Gao Pilin Reply:
Hello Amy: This may also be a type of floaters. It is not a problem with the retina. Issues with the retina are usually fixed.[Read More] Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?
Understanding Eye Vibrations: Causes and Solutions for Morning Discomfort
Eye problems Hello, doctor. I would like to ask you about a symptom I experience. Every morning, the moment I open my eyes, I feel like the images I see are vibrating, especially in the upper part of my vision. However, after blinking a few times, it quickly resolves. When I get ...
Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic for consultation to determine if any relevant examinations are needed. Thank you, and wish you good health![Read More] Understanding Eye Vibrations: Causes and Solutions for Morning Discomfort
Concerns About Strabismus Surgery: Risks and Long-Term Outcomes Explained
Concerns Related to Strabismus Surgery Hello, doctor. I have had alternating exotropia since childhood, where usually one eye looks at things while the other strays outward. In the past, the angle of strabismus in my left eye was smaller than that of my right eye, but I recently ...
Dr. Gao Pilin Reply:
Hello: After surgery, there may be some situations where the alignment shifts, but if both eyes have good vision, most of the time they will not deviate, as the eyes automatically adjust when focusing on objects. As long as the prescription is not too high, it is usually possible...[Read More] Concerns About Strabismus Surgery: Risks and Long-Term Outcomes Explained
Understanding Eyeglass Prescription Adjustments and Eye Health Concerns
Follow-up Question #182591: Inquiry about Prescription Glasses? Dear Dr. Gao, Thank you very much for your personal response and guidance in the consultation regarding the prescription glasses in “#182591.” I have greatly benefited from your insights. I would like to ask you the...
Dr. Gao Pilin Reply:
Hello, Dr. Gao: Q1. Regarding my glasses, where the right lens is undercorrected by 25 diopters and the left lens is fully corrected, Dr. Gao replied, "A difference of 25 diopters is not a problem." Does this mean: (1) In terms of myopia, it is acceptable to have a low...[Read More] Understanding Eyeglass Prescription Adjustments and Eye Health Concerns
Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?
Seeing transparent horizontal lines sliding down the wall? Hello Doctor: I would like to ask you a question. I have floaters, and recently when I look at the wall during the day, I see a transparent horizontal line sliding down in my vision. I am not sure if this is due to vitreo...
Dr. Gao Pilin Reply:
Hello Amy: This may also be a type of floaters. It is not an issue with the retina. Problems with the retina are usually fixed.[Read More] Understanding Transparent Lines in Vision: Symptoms of Vitreous Liquefaction?