Understanding Fundus Examination: Common Questions and Concerns
Fundus examination? 1. I recently had a fundus examination at the ophthalmologist. Before dilation, my visual acuity was 20/625 in the left eye and 20/675 in the right eye with astigmatism of 4.00. After dilation, it changed to 20/675 in the left eye and 20/725 in the right eye. ...
Dr. He Jianxian Reply:
1. The occurrence of increased refractive error after dilation is indeed rare, but it can still be encountered in clinical practice, and we cannot rule out the possibility of instrument error. 2. Refractive assessment can indeed be performed using this method, but the margin of ...[Read More] Understanding Fundus Examination: Common Questions and 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?
Choosing the Right Lens Power for Cataract Surgery: 0 vs 300 Degrees
For a patient who has undergone cataract surgery on the right eye with a residual refractive error of +3.00 diopters, is it appropriate to select a 0 diopter lens for the left eye? (1) Current Status: The mother is currently 69 years old and has cataracts in both eyes, along with...
Dr. Gao Pilin Reply:
Hello: 1. Leave 300 degrees for both eyes on average, which makes it easier to fit glasses. 2. Having both eyes at an average degree is more comfortable. There is no need to intentionally use binocular disparity. 3. If both eyes are left at 300 degrees, it is more convenient for ...[Read More] Choosing the Right Lens Power for Cataract Surgery: 0 vs 300 Degrees
Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
What is the prescription for the lenses? Hello, doctor. I would like to ask if astigmatism within 100 degrees (approximately 50 to 75 degrees) requires corrective lenses with astigmatism correction, or can astigmatism under 100 degrees be left uncorrected? Thank you.
Dr. Gao Pilin Reply:
Hello Su: If you undergo correction, the images will be clearer and there won't be any scattering. Of course, this situation is less noticeable when the degree of refractive error is lower. So it depends on your needs.[Read More] Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
Understanding Retinopathy of Prematurity: Key Insights and Concerns
Retinal issues Hello, does retinopathy of prematurity primarily affect the peripheral retina, resulting only in peripheral visual field loss? (Because the surgically treated peripheral retina may have defects?) The presence of a 30-degree visual field loss in retinopathy of prema...
Dr. Gao Pilin Reply:
Hello, Xin: Because most of your questions are not within my area of expertise, I am afraid of giving you incorrect answers. It is best to consult your retinal specialist. Thank you for your continued support. Does retinopathy of prematurity (ROP) primarily affect the periphera...[Read More] Understanding Retinopathy of Prematurity: Key Insights and Concerns
Can Rigid Contact Lenses Improve Irregular Astigmatism and Clarity?
Irregular astigmatism is causing issues with clarity, and I would like to wear rigid gas-permeable contact lenses to improve it? Hello, Doctor. I have been wearing prescription glasses, but I still cannot see clearly, even though my vision test shows 20/20. The ophthalmologist ha...
Dr. Gao Pilin Reply:
Hello: Rigid gas permeable contact lenses are one option; they naturally move around, and as long as they don't shift to an incorrect position, you might consider trying them. Laser treatment could also be a possibility. You may want to consult your doctor about this. Contac...[Read More] Can Rigid Contact Lenses Improve Irregular Astigmatism and Clarity?
Post-Retinal Detachment Surgery Vision Issues: Understanding Recovery and Expectations
Postoperative Vision Issues After Retinal Detachment Surgery Hello Doctor, I underwent scleral buckle surgery for retinal detachment on March 20, but due to poor postoperative recovery, I had a vitrectomy with silicone oil injection on April 16. However, my vision has changed pos...
Dr. Gao Pilin Reply:
Hello Ann: After a retinal detachment, vision is typically affected and will usually be worse than before, as the retina is damaged and even if it is reattached, it will still be impacted. Vision may gradually improve over time, but it may not return to its original level of clar...[Read More] Post-Retinal Detachment Surgery Vision Issues: Understanding Recovery and Expectations
Do You Need to Fully Correct Myopia and Astigmatism?
Could you please clarify the specific orthodontic issues you would like to inquire about? Hello, doctor. Do both myopia and astigmatism need to be fully corrected, or is it only astigmatism that requires complete correction? Thank you!
Dr. Cai Wenyuan Reply:
It depends on the prescription.[Read More] Do You Need to Fully Correct Myopia and Astigmatism?
Do You Need Complete Correction for Myopia and Astigmatism?
Could you please specify the orthodontic issue? Hello, doctor. Do both myopia and astigmatism need to be fully corrected, or is it only astigmatism that requires complete correction? Thank you!
Dr. Cai Wenyuan Reply:
It depends on the degree of refractive error.[Read More] Do You Need Complete Correction for Myopia and Astigmatism?
Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
What is the prescription for the lenses? Hello, doctor. I would like to ask if astigmatism within 100 degrees (approximately 50 to 75 degrees) requires corrective lenses with astigmatism correction, or can astigmatism under 100 degrees be left uncorrected? Thank you.
Dr. Gao Pilin Reply:
Hello Su: If you undergo correction, the images will be clearer and there won't be any scattering. Of course, this situation is less noticeable when the prescription is lower. So it depends on your needs.[Read More] Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
Understanding Astigmatism: Is It Worsening or Just Nearsightedness?
What is astigmatism? Hello, doctor. I apologize for the interruption, and I would like to ask you a few questions. 1. I would like to know if seeing streetlights at night appearing a bit scattered and highway signs being somewhat unclear at a distance is due to an increase in a...
Dr. Gao Pilin Reply:
Hello Jo: 1. Both myopia and astigmatism can cause this phenomenon. 2. It can improve. 3. A slight degree of dispersion is not a problem, because even with the correct prescription, this situation cannot be completely avoided.[Read More] Understanding Astigmatism: Is It Worsening or Just Nearsightedness?
Is Your Old Glasses Prescription Enough for Increased Astigmatism?
What is the degree? Hello, doctor. If my astigmatism increases from 50 degrees to 75 degrees, is it sufficient to continue wearing my old glasses with a prescription for 50 degrees? Will not having the correct prescription of 75 degrees worsen my astigmatism? Thank you, doctor.
Dr. Cai Wenyuan Reply:
It should be fine.[Read More] Is Your Old Glasses Prescription Enough for Increased Astigmatism?
Understanding Astigmatism: Is It Worsening or Just Myopia?
What is astigmatism? Hello, doctor. I apologize for the interruption, but I would like to ask you a few questions. 1. I would like to know if seeing streetlights slightly scattered at night and having difficulty reading highway signs from a distance is due to an increase in ast...
Dr. Gao Pilin Reply:
Hello Jo: 1. Both myopia and astigmatism can cause this phenomenon. 2. It will improve. 3. A slight degree of dispersion is not a problem, as this situation cannot be completely avoided even with the correct prescription.[Read More] Understanding Astigmatism: Is It Worsening or Just Myopia?
Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
What is the prescription strength of the lenses? Hello, doctor. I would like to ask if astigmatism within 100 degrees (approximately 50 to 75 degrees) requires corrective lenses with astigmatism correction, or can astigmatism under 100 degrees go uncorrected? Thank you.
Dr. Gao Pilin Reply:
Hello Su: If you undergo correction, the image will be clearer and there won't be any scattering. Of course, this situation is less noticeable when the prescription is lower. So it depends on your needs.[Read More] Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
What is the prescription for the lenses? Hello, doctor. I would like to ask if astigmatism within 100 degrees (approximately 50 to 75 degrees) requires corrective lenses with astigmatism correction, or can astigmatism under 100 degrees be left uncorrected? Thank you.
Dr. Gao Pilin Reply:
Hello Su: If you undergo correction, the images will be clearer and there will be no scattering. Of course, this situation is less noticeable when the prescription is lower. So it depends on your needs.[Read More] Do You Need Glasses for Mild Astigmatism Under 100 Degrees?
Understanding Astigmatism: Do You Need to Correct Your Prescription?
Could you please clarify your question regarding astigmatism degrees? Hello, doctor. 1. I would like to ask if I need to fully correct my astigmatism. My left eye has a myopia of -6.50 diopters and astigmatism of -0.75 diopters, but I am currently wearing lenses with only -0.50...
Dr. Gao Pilin Reply:
Hello Austin: 1. If you can see clearly, a difference of 25 degrees is not a problem. 2. It will not worsen unless you strain your eyes by squinting to see. 3. 125 degrees is acceptable.[Read More] Understanding Astigmatism: Do You Need to Correct Your Prescription?
Can I Lower My Myopia Prescription for Comfort While Managing Astigmatism?
Could you please clarify your question regarding the degree issue? Excuse me, I would like to ask if it's possible to slightly reduce the prescription for my nearsightedness to make wearing glasses more comfortable. However, should the prescription for astigmatism be fully c...
Dr. Gao Pilin Reply:
Hello Yu: If you feel it's sufficient, it's okay to reduce myopia a little bit, and the same goes for astigmatism.[Read More] Can I Lower My Myopia Prescription for Comfort While Managing Astigmatism?
Does Inadequate Astigmatism Correction Worsen Your Vision?
Will insufficient correction for astigmatism worsen the degree of astigmatism? Will not wearing the appropriate prescription for astigmatism cause the degree of astigmatism to worsen? Can acquired astigmatism be corrected by wearing glasses? (For example, could it take one to two...
Dr. Gao Pilin Reply:
Hello Joyce: Astigmatism will not decrease in severity due to wearing glasses. Insufficient correction will not worsen astigmatism either. However, if you do not wear the correct prescription and squint to see clearly, it can lead to an increase in astigmatism.[Read More] Does Inadequate Astigmatism Correction Worsen Your Vision?
Understanding Eye Prescription Adjustments: Expert Answers to Common Concerns
Follow-up Inquiry #181655 Dear Dr. Gao, Thank you very much for your personal response and guidance in the consultation regarding inquiry #181655; I have greatly benefited from it. I have some additional questions I would like to ask you: Q1. Regarding my right eye lens being u...
Dr. Gao Pilin Reply:
Hello, Ah Xiang: 1. No worries, it won't be a problem. 2. If you feel comfortable and your vision is adequate, that's all that matters. 3. It won't be an issue; in fact, without testing, it's difficult to determine which eye is dominant. The eye with clearer v...[Read More] Understanding Eye Prescription Adjustments: Expert Answers to Common Concerns