Understanding Eye Sensitivity: Causes of Light Sensitivity and Vision Issues
Photophobia, glare, halos, and tearing? Hello doctor, for the past month or two, my eyes have been repeatedly inflamed and tearing. At night, I experience glare from lights, and sometimes when looking at LED lights, I see rainbows. A week ago, I visited a clinic where they checke...
Dr. Gao Pilin Reply:
Hello Mr. Hong: When the eyes are inflamed, they can become sensitive to light, and discharge may cause a rainbow effect. As for why you have difficulty seeing clearly at close distances, it would be best to have an eye examination first. Try removing your glasses to see if your ...[Read More] Understanding Eye Sensitivity: Causes of Light Sensitivity and Vision Issues
Does Corneal Abrasion Always Cause Irregular Astigmatism?
Corneal abrasion and astigmatism? Hello, doctor. Does a corneal abrasion always lead to irregular astigmatism? If the cornea heals completely, will there still be symptoms of astigmatism?
Dr. Gao Pilin Reply:
Hello: It is possible to assess the location of the skin break. The depth of the skin break is important; if it only involves the epidermis, it should heal back to its original state.[Read More] Does Corneal Abrasion Always Cause Irregular Astigmatism?
Understanding Nighttime Vision Issues: When Lights Appear Blurry or Flickering
Inquiry Consultation Dear Dr. Gao, Hello. This evening, when I rode my scooter and looked at traffic lights or streetlights, I noticed that they appeared as a cluster of light. The light was not very diffuse, but it seemed to concentrate in one spot, and there was a slight flick...
Dr. Gao Pilin Reply:
Hello, Ah Xiang: 1. It may be caused by myopia or astigmatism. This is normal. 2. No treatment is necessary. Just observe.[Read More] Understanding Nighttime Vision Issues: When Lights Appear Blurry or Flickering
Does Corneal Abrasion Worsen Astigmatism?
Does a corneal abrasion worsen astigmatism? Hello, doctor. I would like to ask if a corneal abrasion can worsen astigmatism?
Dr. Gao Pilin Reply:
Hello: A corneal abrasion can cause the surface of the cornea to become irregular, leading to irregular astigmatism.[Read More] Does Corneal Abrasion Worsen Astigmatism?
Is It Normal to Experience Double Vision When Moving Your Eyes?
Can double vision be controlled? Hello, doctor. Is it normal to have difficulty seeing clearly when the eyes are moving? Recently, I noticed that I can induce double vision at a certain angle (though it feels uncomfortable and causes some strain), but it resolves when I return my...
Dr. Gao Pilin Reply:
Hello, Qi: Sometimes strabismus can cause this phenomenon, so I recommend getting it checked. It is normal for other objects to be out of focus when you concentrate on looking at something specific.[Read More] Is It Normal to Experience Double Vision When Moving Your Eyes?
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 Steroid-Induced Eye Pressure Elevation and Glaucoma Risks
Steroid-induced ocular hypertension Hello Doctor, in early April, I visited a clinic due to conjunctivitis and was suspected to have glaucoma; at that time, my intraocular pressure was 18 in both eyes. I then went to two major hospitals for further examination, where glaucoma was...
Dr. He Jianxian Reply:
1. Currently, most devices used to measure intraocular pressure are non-contact tonometers, which can yield elevated readings due to patients blinking from anxiety during the measurement. 2. Theoretically, over-correcting refractive errors can lead to increased eye fatigue; howev...[Read More] Understanding Steroid-Induced Eye Pressure Elevation and Glaucoma Risks
Understanding High Astigmatism and Amblyopia in Young Children
High astigmatism amblyopia Dr. Liang: Hello, my child had an ophthalmological examination at the hospital when he was nearly 3 years old. The refraction test revealed high astigmatism (approximately 400 degrees in both eyes), and the visual acuity test showed around 0.5 to 0.6 in...
Dr. Liang Ce Reply:
It is recommended that you discuss the above situation with your attending physician to determine if further examinations are necessary. Thank you, and wishing you good health![Read More] Understanding High Astigmatism and Amblyopia in Young Children
Understanding Astigmatism: Visual Distortion and Eyeglass Effects
Astigmatism, visual distortion? I recently noticed that there are small areas around the frame of my glasses where I experience visual distortion and magnification. I have astigmatism, and the visual distortion is limited to that specific area without any enlargement. Additionall...
Dr. Gao Pilin Reply:
Hello, it seems that the issue may be related to the lenses or the frame of your glasses, and your eyes should not be affected. If you are still concerned, please take your glasses to the optical company for an inspection.[Read More] Understanding Astigmatism: Visual Distortion and Eyeglass Effects
Understanding Vision Problems: Glasses, Clarity, and Eye Coordination Issues
Vision problems Hello, when I wear glasses, I have difficulty seeing small text clearly, whether it's close or far away. Without glasses, I can see small text more clearly when I bring it closer (meaning that small text appears clearer without glasses). When I wear glasses, ...
Dr. Gao Pilin Reply:
Hello, Xin: Because the vision in your eyes requires objects to be very close in order to see them, wearing glasses makes it difficult for your eyes to focus. Without glasses, you can focus better. When objects are moved further away to the distance where your eyes can focus with...[Read More] Understanding Vision Problems: Glasses, Clarity, and Eye Coordination Issues
Understanding High Myopia and Steroid-Related Eye Pressure Issues
High myopia and steroid-related issues? Dear Dr. Gao, Several months ago, you visited the clinic for conjunctivitis. Due to your high myopia, the doctor suspected glaucoma, and your intraocular pressure (IOP) was measured at 18 mmHg. Your refractive error was approximately -8.00...
Dr. Gao Pilin Reply:
Hello, Alley: 1. Anxiety may increase, and there may also be machine errors. 2. The morphology of the optic nerve is one indicator, but visual field testing should be the primary reference. 3. No. 4. If it has already decreased, there is no need for concern, but remember to infor...[Read More] Understanding High Myopia and Steroid-Related Eye Pressure Issues
Understanding Astigmatism: Causes, Myths, and Expert Insights
Consultation for Astigmatism Inquiry Dear Dr. Gao, In your previous response to "<a href='https://adoctor.tw/article/182677'>#182677</a>", you mentioned: "(previously omitted)... however, squinting to see things can more easily cause astigmat...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: Squinting can cause corneal deformation, leading to the development of astigmatism.[Read More] Understanding Astigmatism: Causes, Myths, and Expert Insights
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 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 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 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 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 High Astigmatism in Young Children: What Parents Should Know
Astigmatism in children? Hello Doctor: Recently, my child (2 years and 11 months old) had their first eye examination at an ophthalmologist. The computerized refraction showed high astigmatism of 400 degrees in both eyes and mild hyperopia of 200 degrees. The visual acuity test (...
Dr. Cai Wenyuan Reply:
If you're concerned, you can go to a medical center for further examination.[Read More] Understanding High Astigmatism in Young Children: What Parents Should Know
Understanding High Astigmatism in Preschool Eye Exams: What Parents Need to Know
Pediatric Vision Screening for High Astigmatism Hello Doctor: My child has just turned 3 years old and underwent their first vision examination. The results from the computerized refraction indicated a high astigmatism of 450 degrees in both eyes. After dilation, the measurements...
Dr. Gao Pilin Reply:
Dear Concerned Parents, Hello: Ophthalmologists at large community hospitals, who have undergone complete specialized training, should still be trustworthy. Please follow the physician's instructions and monitor the situation for a period of time. If further examinations ar...[Read More] Understanding High Astigmatism in Preschool Eye Exams: What Parents Need to Know