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
Visual Differences Between Self-Paid and NHI Cataract Lenses
Visual differences between self-paid and National Health Insurance (NHI) covered intraocular lenses after implantation? Recently, my 85-year-old grandfather has been troubled by cataracts. After a consultation, the doctor suggested that he pay out of pocket for the better-seeing ...
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] Visual Differences Between Self-Paid and NHI Cataract Lenses
Understanding Prescription Issues: Adjusting Your Glasses for Optimal Vision
Prescription lens degree issues? Hello, doctor. When I usually go out, I wear glasses that are about 150 degrees less than my actual prescription, but my regular check-ups show a vision of 1.0, so the doctor said I don't need to change my glasses. I also have a pair of compu...
Dr. Gao Pilin Reply:
Hello, if the prescription for the right eye has increased, it indicates that the glasses are balanced for both eyes. There should not be any issues as you mentioned. For reading or intermediate distances, the principle is to see clearly, and there is no need to be overly concern...[Read More] Understanding Prescription Issues: Adjusting Your Glasses for Optimal Vision
Understanding Occasional Flashing Afterimages When Using a Computer
Inquiry Consultation Dear Dr. Gao, I apologize for bothering you again. Recently, I have noticed that when I look at my computer screen and then shift my gaze to a nearby white wall, I occasionally see a brief flash or afterimage that resembles a firework lighting up for a momen...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. It should be an afterimage. 2. It should be unrelated. 3. It should have no connection.[Read More] Understanding Occasional Flashing Afterimages When Using a Computer
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 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?
Can Cockroach Droppings Contaminate My Contact Lenses?
Cockroach droppings on glasses? I just opened my contact lens case to take out my lenses and found some cockroach droppings. I wiped it off with tissue and put the lenses in, but later I felt something was wrong, so I cleaned them with water and alcohol. Could this lead to any in...
Dr. Gao Pilin Reply:
Hello, Hua: Glasses should not come into contact with the eyes, so there shouldn't be any issues. However, if you do experience any discomfort, please seek medical attention promptly.[Read More] Can Cockroach Droppings Contaminate My Contact Lenses?
Understanding Lens Distortion: Why Do My Glasses Make Objects Look Larger?
Questions about eyeglass lenses? Dear Dr. Gao, Hello. I previously mentioned to you that last year (2021), due to delamination of my eyeglass lenses, I had my lenses replaced and underwent a refraction test. The result showed that the prescription for my left eye remained unchan...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: Usually, a decrease in myopia degree can lead to a magnification effect, or it may occur when the lenses are positioned farther from the eyeball. However, the most likely reason is related to the optical properties of the lenses. There can be differences among v...[Read More] Understanding Lens Distortion: Why Do My Glasses Make Objects Look Larger?
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
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?
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 Your Eyeglass Prescription: Key Questions Answered
Consultation on Eyeglass Prescription Concerns Dear Dr. Gao, Hello. My left eye has a prescription of approximately -300 degrees with astigmatism of about -50 or -75 degrees; my right eye is around -400 degrees with astigmatism of about -100 degrees. I have been wearing this pre...
Dr. Gao Pilin Reply:
Hello, Ah-Hsiang: 1. A difference of 25 degrees is not a problem. 2. Having two eyes will naturally provide better overall vision. It can also be said that they complement each other. 3. There will be no adverse effects. 4. As long as it is comfortable and both eyes' vision ...[Read More] Understanding Your Eyeglass Prescription: Key Questions Answered
Is Wearing Old Glasses Enough for Increased Astigmatism?
What is the prescription? Hello, doctor. If astigmatism increases from 50 degrees to 75 degrees, is it sufficient to continue wearing old glasses with astigmatism correction of 50 degrees? Will not having the 75 degrees correction worsen the astigmatism? Thank you, doctor.
Dr. Cai Wenyuan Reply:
It should be possible.[Read More] Is Wearing Old Glasses Enough for Increased Astigmatism?
Understanding Uveitis, Floaters, and Post-Cataract Surgery Concerns
Uveitis, vitreous floaters, and related issues? I had cataract surgery on my left eye in February of this year. During a follow-up visit, the doctor mentioned that I have uveitis. At that time, my symptoms improved with dilation, but in mid-April, I started experiencing persisten...
Dr. Gao Pilin Reply:
Hello: 1. Uveitis is a general term, and iritis is one type of it. Floaters are a symptom that may not necessarily be related to the former, but the former may lead to the occurrence of floaters. Please refer to: https://bit.ly/3GIjh2O 2. Artificial intraocular lenses do not chan...[Read More] Understanding Uveitis, Floaters, and Post-Cataract Surgery Concerns
Understanding Myopia: Addressing Concerns About Prescription Changes
Concerns about various issues related to glasses often stem from a fear of worsening prescription? Hello, doctor! I am around 25 years old and have high myopia (recently worsening to -12.00 in both eyes). I have been undergoing regular check-ups for six months, and my current gla...
Dr. Gao Pilin Reply:
Hello Mr. Weng: 1. There are also genetic factors that influence non-pathological conditions. 2. The ciliary muscle is located inside the eye, and eye strain can sometimes be caused by the muscles outside the eyeball. Muscle relaxant drops may be needed to alleviate the sympto...[Read More] Understanding Myopia: Addressing Concerns About Prescription Changes
Is Alternating Between Two Pairs of Glasses Bad for Your Eyes?
Could you please specify your question regarding glasses? Hello, doctor. I would like to ask if alternating between two pairs of glasses could be harmful to my eyes, such as worsening my nearsightedness. The two pairs differ by only 25 degrees. I plan to wear the old pair for clo...
Dr. Gao Pilin Reply:
Hello: If the difference is only 25 degrees, it does not have much impact on the eyes. As long as there is no discomfort, it is acceptable to use it this way.[Read More] Is Alternating Between Two Pairs of Glasses Bad for Your Eyes?
Can I Wear Contact Lenses with Different Prescription Strengths?
What about contact lenses? Hello, doctor. I would like to ask if it's acceptable to have a prescription for glasses with -500 degrees for the right eye and -625 degrees for the left eye, while wearing contact lenses with -450 degrees for the right eye and -575 degrees for th...
Dr. Gao Pilin Reply:
Hello: This is acceptable, as according to your eye examination, the contact lens prescription should be +500 for the right eye and +600 for the left eye, with a difference of 25-50 degrees. If your vision is not affected, it is not a concern.[Read More] Can I Wear Contact Lenses with Different Prescription Strengths?