Understanding Prescription Differences: A Teen's Guide to Eyewear
Eyeglass prescription issues? Hello, Doctor Gao. I am a 15-year-old teenager with myopia. Due to the need to see the blackboard in class, I went for an eye examination to get glasses. Two weeks ago, I visited a local hospital for an eye exam without dilation. The results from the...
Dr. Gao Pilin Reply:
Hello: Q1: What are the possible reasons for a difference of 50 diopters between the prescription obtained at the hospital and that obtained at the optical store? The difference in prescription may arise from several factors: 1. Testing environment: The refraction environment at...[Read More] Understanding Prescription Differences: A Teen's Guide to Eyewear
Understanding Vision Problems: Contact Lenses vs. Glasses and Keratoconus Concerns
Vision examination issues I recently visited an ophthalmologist and found that my vision with contact lenses is 0.8 and 0.9, while with regular glasses, it is only 0.4 and 0.5. The axial length of my eyes was measured, but the doctor did not assess the true degree of astigmatism....
Dr. Gao Pilin Reply:
Hello: There may be differences in the prescription between contact lenses and glasses for several reasons: 1. Different fitting methods: Contact lenses are typically fitted directly on the cornea, while glasses are fitted at a distance in front of the eyeball. Since the curvatur...[Read More] Understanding Vision Problems: Contact Lenses vs. Glasses and Keratoconus Concerns
Understanding Pseudomyopia: Causes, Effects, and Recovery Options
Pseudomyopia The original myopia measurements are 625 and 650. The patient usually has a high visual demand and wears myopia control contact lenses. During regular follow-up visits, the ophthalmologist mentioned a significant increase in pseudomyopia but did not prescribe any cyc...
Dr. Gao Pilin Reply:
Hello: 1. Can pseudomyopia recover on its own? Pseudomyopia is caused by excessive tension in the ciliary muscles of the eye. This tension may improve with appropriate rest and reduced eye strain, but it requires time and lifestyle changes. Regular visits to an ophthalmologist ar...[Read More] Understanding Pseudomyopia: Causes, Effects, and Recovery Options
Understanding Eye Drops: Usage, Effects, and Common Concerns
Usage of Eye Drops 1. I have been experiencing tightness in the muscles of my left eye, which often causes itching in the lower eyelid and makes it relatively difficult to see. I consulted a doctor who prescribed "Pataday eye drops" and "Methacholine sulfate."...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the use of eye drops, in general, the eye drops prescribed by the doctor are intended for use in one eye. Unless otherwise specified, it is recommended that you apply the drops to the left eye only. When instilling the drops, there is no need to pull down th...[Read More] Understanding Eye Drops: Usage, Effects, and Common Concerns
Understanding Eye Exams: Differences Between Refraction and Dilation
Vision examination Hello, doctor. A few days ago, I got new glasses, and my prescription increased by less than one diopter in each eye, while my astigmatism remains unchanged at 2.00. I've heard that it's quite normal for prescriptions to increase slightly during high ...
Dr. Gao Pilin Reply:
Hello: 1. It is quite common to experience a slight increase in prescription during high school, especially after prolonged reading or eye use. This may be related to changes in myopia, but it does not necessarily indicate pseudomyopia. To gain a clearer understanding, it is reco...[Read More] Understanding Eye Exams: Differences Between Refraction and Dilation
Understanding Vision Loss: Causes, Treatment Options, and Expert Advice
Causes and Management of Vision Loss I have been unable to see clearly even while wearing my glasses, and I have consulted two ophthalmologists. The first doctor said, "I do not recommend getting new glasses; both eyes have cataracts, and there are no other issues. I suggest...
Dr. Gao Pilin Reply:
Hello: Thank you very much for providing such detailed information. Here are the responses to your questions one by one: 1. Different cataract conditions in the left and right eyes: Yes, based on your description, the cataract in the left eye appears to be more severe than in t...[Read More] Understanding Vision Loss: Causes, Treatment Options, and Expert Advice
Understanding Focus Issues: Insights on Eye Health and Treatment Options
Eye focusing issues? Hello, doctor. I have high myopia and floaters. In mid-September, I visited two ophthalmology clinics due to focusing issues. The first clinic mentioned that I have a slight exophoria and prescribed me a pair of glasses with a prism. The second clinic suggest...
Dr. Gao Pilin Reply:
Hello: 1. Focusing Issues: The focusing problems you described may be caused by high myopia, which might require adjustments to your eyeglass or contact lens prescription. Due to the different prescriptions, you may find it difficult to focus, especially at close distances. 2....[Read More] Understanding Focus Issues: Insights on Eye Health and Treatment Options
Do Adults Need Dilated Eye Exams? Common Vision Concerns Explained
Do adults need to undergo dilation for an eye exam? Hello, doctor. I have quite a few questions, and I appreciate your help. 1. For an adult (28 years old), is it necessary to use a dilating agent during an eye exam? My concern is that even if there is pseudomyopia, we don'...
Dr. Gao Pilin Reply:
Hello: 1. In general, adults do not require the use of mydriatic agents during an eye examination. However, if there are specific needs, the physician will evaluate whether mydriatics are necessary based on your symptoms and condition. 2. It is generally normal for the refractive...[Read More] Do Adults Need Dilated Eye Exams? Common Vision Concerns Explained
Understanding Vision Changes: Lens Prescription Issues and Laser Surgery Concerns
Issues related to prescription lens power caused by eye refractive errors and concerns regarding laser eye surgery? Hello, doctor! My eye prescription fluctuates between 100 to 250 degrees (pseudomyopia), and there is a disparity of about 200 degrees between my eyes, with astigma...
Dr. Gao Pilin Reply:
Hello: 1. Why does this issue occur? Each person's eyes are unique, and vision problems can be influenced by multiple factors. In your case, the changes in prescription and discomfort after wearing glasses may involve the eye's accommodative ability, corneal shape, or...[Read More] Understanding Vision Changes: Lens Prescription Issues and Laser Surgery Concerns
Is Visual Shaking During Blinking a Cause for Concern?
Is it dangerous to experience visual tremors when blinking? For about the past four months, I have been experiencing significant photophobia. During this time, I visited three different clinics and saw doctors approximately seven times. They mentioned that my symptoms, including ...
Dr. Gao Pilin Reply:
Hello: 1. The sensation of twitching or vibrating when blinking may be caused by eye muscle fatigue or spasms, or it could be due to foreign bodies or infections on the surface of the eye. Generally, this symptom is not serious, but if it persists or is accompanied by other sympt...[Read More] Is Visual Shaking During Blinking a Cause for Concern?
Can Pseudomyopia in Adults Progress to True Myopia?
What is pseudomyopia in adults? Is it possible for pseudomyopia in a 31-year-old adult to develop into true myopia over time? Recently, there was a difference of 100 to 125 diopters in refraction measurements before and after dilation (approximately 650 diopters in both eyes befo...
Dr. Gao Pilin Reply:
Hello: After reaching a certain age, due to the decreased elasticity of the ciliary muscle and its inability to relax, the measured refractive error is often attributed to "pseudomyopia" caused by the ciliary muscle. Currently, your dilation may still reduce, but once t...[Read More] Can Pseudomyopia in Adults Progress to True Myopia?
Understanding Diplopia: Causes, Symptoms, and Treatment Options
Binocular disparity Hello, Doctor. I have some questions I would like to ask you: My vision has generally been quite good, with my left eye consistently at 1.2 and my right eye somewhat worse at about 1.0. However, I recently noticed that my right eye has become significantly blu...
Dr. Gao Pilin Reply:
Hello: Please visit an ophthalmologist for an examination; you may need a prescription. It's important to get checked to determine the cause.[Read More] Understanding Diplopia: Causes, Symptoms, and Treatment Options
Concerns About Eye Drops and Pseudomyopia: Expert Answers
Inquiry about eye drops and pseudomyopia? I have a few questions for the doctor: 1. Does continuous use of steroid eye drops for two weeks or longer cause elevated intraocular pressure? If so, after using pressure-lowering eye drops and oral medications, and discontinuing the s...
Dr. Gao Pilin Reply:
Hello: 1. It may or may not happen. For example, if intraocular pressure is high, it may decrease after using antihypertensive medications. 2. It should not happen. 3. It is acceptable to use it no more than four times a day. 4. The prescription may worsen; however, if there are ...[Read More] Concerns About Eye Drops and Pseudomyopia: Expert Answers
Understanding Vision Changes: Myopia, Astigmatism, and Eyewear Solutions
Issues related to prescription glasses and parallax? Hello, Doctor. I am currently 27 years old. About six years ago, both of my eyes had a prescription of -1.00 diopters. Since then, my prescription has gradually increased each year. Four years ago, it changed to -1.50 in both e...
Dr. Gao Pilin Reply:
Hello: You can take a look at this article first. https://bit.ly/30ou9SH Atropine is a long-acting medication, and occasionally forgetting to use it should not be a problem. For near reading, you may not need to wear glasses, which allows your eyes to relax more. If you need to w...[Read More] Understanding Vision Changes: Myopia, Astigmatism, and Eyewear Solutions
Understanding Pseudomyopia: Key Questions and Insights for Adults
Myopia concerns? I would like to ask the doctor: 1. Is there a significant possibility of adults having pseudomyopia, especially for those whose jobs require frequent near work or computer use? 2. I understand that dilation is necessary to determine whether myopia is true or pseu...
Dr. Gao Pilin Reply:
Hello: 1. In adulthood, if myopia increases, it is likely to be pseudomyopia. Please refer to: https://bit.ly/30ou9SH 2. After dilation, measuring with a phoropter can reveal the true refractive error. 3. Typically, after dilation, refraction is performed to measure the prescript...[Read More] Understanding Pseudomyopia: Key Questions and Insights for Adults
Understanding Pseudomyopia: Questions on Prescription and Eye Care
Prescription lens degree issues? Hello Doctor, I am the person who previously inquired about the prescription glasses issue #188870. 1. I would like to ask if, as you mentioned, the increase in pseudomyopia is not resolved, will it eventually turn into true myopia? 2. Additiona...
Dr. Gao Pilin Reply:
Hello: 1. No, it may be due to the use of a dilating agent, which can temporarily lower the prescription. Please refer to: https://bit.ly/30ou9SH 2. Same as above. 3. You can do so, but it is best to use the actual prescription after dilation for distance vision. It may be unclea...[Read More] Understanding Pseudomyopia: Questions on Prescription and Eye Care
Understanding Prescription Glasses: Key Questions for Your Eye Doctor
Eyeglass prescription issues? Hello Doctor, I am the person inquiring about the prescription glasses issue #188910. 1. You mentioned that "if dilating drops were used, the prescription might decrease." If the prescription does not decrease after using the dilating dro...
Dr. Gao Pilin Reply:
Hello: 1. If there is no decrease, it indicates that the ciliary muscle can no longer relax to its original diopter. 2. Directly ask the physician if a dilated fundus examination can be performed. After dilation, use a phoropter for measurement. 3. Straining will make vision even...[Read More] Understanding Prescription Glasses: Key Questions for Your Eye Doctor
Understanding Pseudomyopia: Glasses Fitting and Treatment Options
Eyeglass prescription issues? Thank you again, Dr. for your patient responses! Q1. I would like to ask the doctor how to restore my previous myopic degree if it is caused by the aging of the ciliary muscle leading to pseudomyopia? Should I use cycloplegic agents? Q2. Given my ...
Dr. Gao Pilin Reply:
Hello: 1. With age, it may not be possible to return to the original prescription even with the use of dilating agents; the previous link I provided can be referenced for more information. This prescription may remain stable. 2. Depending on your needs, you can get a prescription...[Read More] Understanding Pseudomyopia: Glasses Fitting and Treatment Options
Understanding Vision Changes: Common Eye Issues and Solutions at 28
Eyeglass prescription issues? Thank you, doctor, for your detailed response to question #188551. I would like to ask the following: Q1. Is it normal for my prescription to increase by 150 degrees over the past five years at my age of 28, along with astigmatism? Q2. Can eye fati...
Dr. Gao Pilin Reply:
Hello: 1. There are indeed individuals whose myopia continues to increase even after reaching adulthood. This is due to the gradual aging and decreased elasticity of the ciliary muscle, which prevents it from relaxing after dilation, resulting in unchanged measurements; however, ...[Read More] Understanding Vision Changes: Common Eye Issues and Solutions at 28
Understanding Visual Disturbances in Children: When Objects Appear to Change Size
Objects appear to fluctuate in size? Hello, doctor! I have an 11-year-old boy who does not have myopia. Recently, he mentioned that sometimes things appear to change in size, for example, the clock looks bigger or smaller, and even people appear to change size. This happens in th...
Dr. Gao Pilin Reply:
Hello: This should not be related to smoking. It could be an issue with the child's ciliary muscle accommodation. It is advisable to visit an ophthalmologist to check for any signs of pseudomyopia.[Read More] Understanding Visual Disturbances in Children: When Objects Appear to Change Size