Understanding Diplopia and Astigmatism: Causes and Concerns
Diplopic astigmatism I would like to consult Dr. Gao regarding my astigmatism, which was previously measured at 0.50 and did not seem to cause any significant issues. Recently, I have been experiencing double vision. I previously mentioned that there is a faint line next to the b...
Dr. Gao Pilin Reply:
Hello: Regarding your situation, I understand your concerns. Based on your description, your main issues currently are double vision and changes in astigmatism. First, the degree of astigmatism can change over time, especially during periods of eye strain or visual adjustment. An...[Read More] Understanding Diplopia and Astigmatism: Causes and Concerns
Understanding Blurry Vision with Soft Contact Lenses: A Guide for High Myopia
One eye is blurry with soft contact lenses? Hello Doctor: I have high myopia (the most recent measurement was two weeks ago: left eye approximately -1200 diopters with astigmatism of -175; right eye approximately -1075 diopters with astigmatism of -175). However, each time I have...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, there are several possible reasons that could explain your vision fluctuations: 1. Inconsistent prescription between glasses and contact lenses: You mentioned that the prescriptions for your glasses and contact lenses differ, which ma...[Read More] Understanding Blurry Vision with Soft Contact Lenses: A Guide for High Myopia
Concerns About Atropine Use in Children for Eye Treatment
Pediatric Mydriatic Agent Issues Hello Dr. Liang, I have a 13-year-old child in the first year of junior high school. During a school vision screening, the left eye was measured at 0.6 and the right eye at 1.5. We went for a follow-up examination at an ophthalmologist, where the...
Dr. Liang Ce Reply:
I recommend that you: 1. Discuss the above situation further with your attending physician. 2. Consider consulting an ophthalmologist at a major hospital. Wishing you good health. Thank you![Read More] Concerns About Atropine Use in Children for Eye Treatment
Understanding and Managing Double Vision and Astigmatism Issues
Diplopia Hello Doctor, I have been wearing glasses since middle school, but in recent years, I have been experiencing double vision, where I see overlapping images above what I am looking at. I have undergone many tests, but nothing conclusive was found. Eventually, the doctor de...
Dr. Gao Pilin Reply:
Hello: Based on your situation, I will address your concerns as follows: 1. The significant difference in astigmatism measurements may be due to multiple factors. It could be attributed to variations in measurement techniques or differences in the location of the cornea being m...[Read More] Understanding and Managing Double Vision and Astigmatism Issues
Essential Eye Care: Regular Checkups and Important Tests for Vision Health
Regular Eye Examinations & Eye Care Knowledge Hello, I have been nearsighted for the past five years, with my prescription ranging from -3.50 to -5.00 diopters, and I also have astigmatism (50, 100) and floaters. In my daily life, I can drive, read, and use electronic devices...
Dr. Gao Pilin Reply:
Hello: Question 1: Regarding your vision condition, it is recommended that you have an eye examination annually, which includes a refraction test and a fundus examination. Additionally, glaucoma and cataract screenings will be conducted during the visit, and you can discuss wit...[Read More] Essential Eye Care: Regular Checkups and Important Tests for Vision Health
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 Prescription Changes and Eye Health Concerns
Regarding prescription and eyewear issues? Hello, Director Gao! I apologize for the interruption. I recently experienced some issues with my eyes and would like to seek your advice. I have high myopia in my right eye (over -900 degrees) and moderate myopia in my left eye (over -6...
Dr. Gao Pilin Reply:
Hello: 1. Muscle aging can lead to slower focusing, and increasing the prescription of your lenses may help improve focusing speed. New glasses can provide clearer vision, reduce muscle fatigue, and thereby enhance focusing performance. As you are approaching 40 years old, you ma...[Read More] Understanding Prescription Changes and Eye Health Concerns
Is Frequent Vision Testing Safe for My 4-Year-Old Child?
Issues with the phoropter? Hello, doctor: I would like to ask about my child's eye condition. In the past month, we have visited different clinics and hospitals for examinations four times, each time involving a refraction test. It seems that the refractor uses infrared dete...
Dr. Gao Pilin Reply:
Hello: Refraction is a method used to assess visual acuity and measure the refractive error of the eyes, and it is typically one of the routine examinations performed by ophthalmologists when evaluating vision problems. For children, refraction does not harm their vision, and fre...[Read More] Is Frequent Vision Testing Safe for My 4-Year-Old Child?
Understanding Over-Prescription of Glasses: Eye Fatigue and Vision Clarity
Excessive lens prescription, issues with eyewear fitting? Hello Doctor, I had surgery for strabismus on my left eye at Chang Gung Hospital on October 26, and my recovery has been smooth. However, recently I have been experiencing occasional soreness and swelling in my right eye. ...
Dr. Gao Pilin Reply:
Hello: You can use these glasses and continue wearing them until your follow-up examination at Chang Gung Hospital for a new prescription. However, be cautious not to use these glasses for prolonged near vision tasks, as a stronger prescription can lead to increased eye strain. I...[Read More] Understanding Over-Prescription of Glasses: Eye Fatigue and Vision Clarity
Double Vision at Traffic Lights After LASIK: Causes and Solutions
Seeing traffic lights may result in double vision? Hello, doctor! I just had my myopia surgery in August. About two months after the procedure, I suddenly noticed that I see double images of traffic lights, especially the green light! This does not happen when looking at things u...
Dr. Gao Pilin Reply:
Hello: Postoperative conditions cannot be diagnosed out of thin air; you should consult your attending physician for an accurate diagnosis. This phenomenon, if not due to astigmatism, may also be related to dry eyes. For a period after surgery, the eyes may feel drier, which can ...[Read More] Double Vision at Traffic Lights After LASIK: Causes and Solutions
Understanding Vision Problems: When to Update Your Glasses
Vision examination issues Hello Dr. Gao, I am 43 years old this year. Currently, my glasses prescription is -5.50 diopters with +2.00 astigmatism for my left eye, and -5.00 diopters with +2.50 astigmatism for my right eye. I have been wearing these multifocal glasses for three ye...
Dr. Gao Pilin Reply:
Hello: 1. Do you need to get a new pair of glasses? Yes, based on the recommendation of your ophthalmologist, you need to get a new pair of glasses. Since your prescription has changed, your current glasses may not provide adequate correction, leading to eye strain and headaches....[Read More] Understanding Vision Problems: When to Update Your Glasses
Understanding Eyeglass Prescription Changes and Vision Clarity Issues
Issues with prescription glasses? Hello, Doctor Gao: I am approximately 39 years old. Recently, one of the frames of my glasses broke, so I went to an optical shop to get new glasses. It has been about five years since my last prescription, but I did not return to the original op...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the issue of prescription strength, it is generally necessary to adjust the prescription within a certain range to ensure optimal vision. The point made by your boss about the need for the eyes to compensate for excess prescription is valid. If you find that...[Read More] Understanding Eyeglass Prescription Changes and Vision Clarity Issues
Understanding Eyeglass Prescription Changes: Expert Insights for Better Vision
Eyeglass prescription issues? Hello Dr. Liang, I am approximately 39 years old. Recently, one of the arms of my eyeglass frame broke, and I went to an optical store to get new glasses. I have been wearing my previous glasses for nearly five years. The prescription for my old gla...
Dr. Liang Ce Reply:
We recommend that you: 1. Discuss the above situation further with your attending physician. 2. Consider seeking a consultation at another ophthalmology clinic. Wishing you good health. Thank you![Read More] Understanding Eyeglass Prescription Changes: Expert Insights for Better Vision
Understanding Astigmatism: Insights from Eye Exams and Fatigue Effects
Astigmatism issues? Today, I went for a fundus examination. After that, I had a refraction test done on the computer, and the doctor said my astigmatism suddenly increased by 200 degrees, but the fundus was normal. The doctor mentioned that it might be caused by fatigue and advis...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, I personally believe the following points are relevant: The sudden increase of 200 degrees in astigmatism in the computer-generated refraction test may have the following causes: 1. Fatigue - As your doctor mentioned, vision can experi...[Read More] Understanding Astigmatism: Insights from Eye Exams and Fatigue Effects
Understanding Visual Distortion: Possible Causes and Solutions
Visual misalignment or diplopia? Hello doctor, I recently noticed that when I look at two rows of letters, SSSSSSSSSSSSSS and AAAAAAAAAAAAAA, with my left eye, the row of S's appears to be elevated, while it looks normal with my right eye. I asked some people around me, and ...
Dr. Gao Pilin Reply:
Hello: This should be normal; it is likely an illusion caused by the shape of the letter "S." This type of illusion may also be related to differences in refractive error between the two eyes. I also experience this kind of illusion, and it is not an issue with the macu...[Read More] Understanding Visual Distortion: Possible Causes and Solutions
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 Your Eye Prescription: What Do Those Numbers Mean?
Eyeglass prescription issues? Hello doctor, today I went to see an ophthalmologist. During the examination, a machine that can see the house was used for measurement first. Then, the optometrist used a pair of glasses with many lenses to test my vision in both eyes, writing down ...
Dr. Gao Pilin Reply:
Hello: It seems that the measurement is lower than your glasses prescription. This may be due to eye fatigue during the refraction test, which can lead to a deeper measurement. Therefore, your actual prescription may not be as high, as the ciliary muscle was overexerted, resultin...[Read More] Understanding Your Eye Prescription: What Do Those Numbers Mean?
Understanding Monocular Diplopia: Causes and Next Steps
Monocular diplopia Hello doctor, I recently visited three or four medical institutions, including Cheng Kung University and clinics, but they couldn't determine the cause of my double vision in the left eye. When I look with my left eye alone, I experience double vision, and...
Dr. Gao Pilin Reply:
Hello: Monocular diplopia is likely not a neurological issue, but rather a refractive error, particularly astigmatism. Other potential causes include corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. I recommend consulting with your examini...[Read More] Understanding Monocular Diplopia: Causes and Next Steps
Understanding Vision Testing for Patients with No Light Perception
Vision examination questions Hello, I am a bit curious if it is possible to detect high hyperopia in an eye that has no light perception through refraction testing. (I previously heard a doctor mention that the eye with no light perception has high hyperopia.) What is the differe...
Dr. Gao Pilin Reply:
Hello, Xin: 1. The absence of light perception in the eyes is not related to the ability to perform a refraction test. Refraction testing measures the eye's refractive power, and as long as the ocular structure is intact, the refractive error can be determined. 2. A slit...[Read More] Understanding Vision Testing for Patients with No Light Perception
Understanding Nystagmus: Symptoms, Challenges, and Visual Impacts
Nystagmus Hello, may I ask if nystagmus can also have a large amplitude and high frequency? Does a larger amplitude make the appearance more noticeable, or is it the high frequency? Is it true that not every person with congenital nystagmus experiences oscillopsia? Furthermore, d...
Dr. Gao Pilin Reply:
Hello, Xin: The amplitude of nystagmus can vary, with some being large and others small, and the speed can also range from fast to slow. Naturally, larger amplitudes are easier to detect. The frequency is not always consistent; sometimes it is very fast, and if one does not pay c...[Read More] Understanding Nystagmus: Symptoms, Challenges, and Visual Impacts