Understanding Monocular Diplopia: Causes and Concerns for Students
Monocular diplopia In recent weeks, I have been experiencing vertical diplopia in both eyes, especially noticeable when looking at bright lights (such as traffic lights, illuminated signs, and TV subtitles). This occurs mostly during the day when viewing well-lit objects. However...
Dr. Gao Pilin Reply:
Hello: Possible causes of monocular diplopia include: 1. Refractive errors: You mentioned that you have felt an increase in myopia over the past few weeks, along with astigmatism, which may lead to refractive errors causing diplopia. Even if you are wearing contact lenses, if the...[Read More] Understanding Monocular Diplopia: Causes and Concerns for Students
Understanding Thinning of the Optic Nerve Fibers and Glaucoma Risks
Optic nerve fiber thinning Hello, Doctor~~ Over the past six years, my intraocular pressure has increased from an initial 18-19 to 26-27 this year, and I was subsequently diagnosed with suspected glaucoma! The doctor noted that my optic nerve fibers have thinned, and after perfor...
Dr. Gao Pilin Reply:
Hello: Based on your description, your intraocular pressure has increased from 18 and 19 to 26 and 27 over the past six years, with thinning of the optic nerve fibers. The OCT examination shows abnormalities in the inferior quadrant of the left eye, but the visual field test is n...[Read More] Understanding Thinning of the Optic Nerve Fibers and Glaucoma Risks
Does Rubbing Your Eyes Increase Astigmatism or Risk Keratoconus?
Concerns about eye rubbing, astigmatism, and keratoconus? Hello, doctor. I have high astigmatism (425 degrees) and underwent a corneal topography examination yesterday. The doctor informed me that the results did not indicate a tendency towards keratoconus, but the values were cl...
Dr. Gao Pilin Reply:
Hello: 1. Will occasionally rubbing my eyes lightly increase astigmatism or heighten the risk of developing keratoconus? Occasional light rubbing of the eyes is generally not likely to increase astigmatism or trigger keratoconus. The causes of astigmatism and keratoconus are not ...[Read More] Does Rubbing Your Eyes Increase Astigmatism or Risk Keratoconus?
Understanding Astigmatism: Effects of Under-Corrected Glasses on Eye Health
Please provide the content you would like me to translate? Dear Dr. Gao, Thank you very much for your professional response and advice in article #206774. I have clearly understood my questions Q1 to Q4, and I truly appreciate your thoughtful replies and guidance. Regarding Q5...
Dr. Gao Pilin Reply:
Hello: I am glad to assist you again. Q1. If astigmatism is undercorrected by 25 degrees, is it possible to experience discomfort and visual fatigue over time? The answer is yes. Astigmatism refers to an uneven curvature of the cornea or lens, causing light to focus improperly ...[Read More] Understanding Astigmatism: Effects of Under-Corrected Glasses on Eye Health
Understanding Eye Care: Addressing Concerns After Pupil Dilation
Inquiry for clarification? Dear Dr. Gao, Thank you very much for your previous response to my questions; I have understood everything clearly. I apologize for bothering you again, but I have a sudden issue with my eye that has caused me some concern, so I am reaching out once mo...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, I would like to provide the following recommendations: Q1. It is unlikely to cause any harm. Q2. If the lower white part of the right eye (sclera) is poked or scratched, the following symptoms may occur: - Sharp pain or burning se...[Read More] Understanding Eye Care: Addressing Concerns After Pupil Dilation
Understanding Double Vision: Causes and Solutions for Eye Issues
Continuation of Inquiry #206758: Question Regarding Diplopia Dear Dr. Gao, Thank you very much for your professional response and advice regarding the "Double Vision Inquiry #206758." I will find time to have my eyes checked at an ophthalmology clinic. I would like to ...
Dr. Gao Pilin Reply:
Hello: Q1. Your understanding is generally correct. If the corneal shape is confirmed to be normal and there is a phenomenon of double vision with text, it may be caused by myopia or astigmatism. Myopia causes distant objects to appear blurry, while astigmatism may prevent ligh...[Read More] Understanding Double Vision: Causes and Solutions for Eye Issues
Understanding Double Vision: Causes and When to Seek Help
Double vision inquiry? Hello Dr. Gao: Today I noticed that when I take off my glasses and try to see without them, my left eye experiences double vision when looking at text, as if the letters are floating and becoming two. In contrast, my right eye sees the text as a blurry mass...
Dr. Gao Pilin Reply:
Hello: Based on your description, there are several possibilities: 1. The double vision you experience when reading with your left eye may be caused by refractive errors. This could be due to irregularities in the corneal shape or conditions such as myopia or astigmatism. The dou...[Read More] Understanding Double Vision: Causes and When to Seek Help
Understanding Flashing Lights in Vision: Causes and What to Do
Flashes of light in the eyes? Hello, doctor. I have a question to ask. I noticed that this morning when I woke up, there was a long, glowing line appearing in my left eye, resembling those small toys that emit a lot of light. It appeared in both eyes and slowly moved towards the ...
Dr. Liang Ce Reply:
We recommend that you consult an ophthalmology medical facility. Wishing you good health. Thank you![Read More] Understanding Flashing Lights in Vision: Causes and What to Do
Understanding Sudden Worsening of Astigmatism: Causes and Solutions
Astigmatism has worsened over the past three months? Hello, I would like to ask about my astigmatism, which has been 50.75 for a long time. I got new glasses at the end of December last year, and in March of this year, I noticed double vision when looking at traffic lights. Upon ...
Dr. Gao Pilin Reply:
Hello: Based on the situation you described, this sudden increase in astigmatism may require further evaluation. A rapid increase in astigmatism can be associated with various factors, including changes in corneal shape, alterations in the lens, or other changes in the eye's...[Read More] Understanding Sudden Worsening of Astigmatism: Causes and Solutions
Addressing Vision Disparities and Corneal Transplant Concerns in Eye Care
Questions about parallax glasses and corneal transplant issues? 1. After undergoing a corneal transplant in one eye, I now have significant anisometropia: my left eye has -1100 diopters of myopia and -200 diopters of astigmatism, while my right eye has -450 diopters of myopia wit...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the significant disparity in your vision between both eyes, this large disparity may lead to discomfort or dizziness when wearing regular glasses. Generally, for cases of significant disparity, contact lenses may be a better option, but it is essential to ma...[Read More] Addressing Vision Disparities and Corneal Transplant Concerns in Eye Care
Why Does Increasing Astigmatism Prescription Cause Distorted Vision?
The eye examination shows an increase of 25 degrees, but wearing glasses with an additional 25 degrees makes the astigmatism feel worse? Hello, doctor. Yesterday, I had an eye exam at an optical shop, and it showed that I should wear glasses with a cylindrical correction of 2.25 ...
Dr. Liang Ce Reply:
We recommend that you: 1. Discuss the above situation further with the optical shop. 2. Alternatively, consult with an ophthalmologist at a major hospital. Wishing you good health. Thank you![Read More] Why Does Increasing Astigmatism Prescription Cause Distorted Vision?
Understanding Corneal Topography: Is Asymmetry Normal for Astigmatism?
Corneal topography Hello, doctor. I recently had a corneal topography done, and the map shows an 8-shaped pattern, but the sizes of the upper and lower segments are somewhat different. Is this a normal shape for astigmatism?
Dr. Chen Anping Reply:
Hello: It is recommended that you bring your corneal topography to the ophthalmology clinic, where the physician will interpret it and assess whether you have astigmatism. The Hualien Hospital of the Ministry of Health and Welfare cares about your health.[Read More] Understanding Corneal Topography: Is Asymmetry Normal for Astigmatism?
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
Understanding Presbyopia and Prescription Glasses: Your Eye Care Questions Answered
Presbyopia/Prescription Glasses Issues Hello, Doctor: I have been wearing stress-relief lenses for over two years. For distance vision: Right eye: myopia -800, astigmatism -400. Left eye: myopia -725, astigmatism -350. The lower section is said to be presbyopia, so the prescripti...
Dr. Gao Pilin Reply:
Hello: 1. Regarding the clarity issue with myopia, even with stress-relief lenses, one may still experience blurriness due to presbyopia and accommodation problems. For prolonged computer use, it is recommended to use computer-specific glasses or multifocal lenses to enhance clar...[Read More] Understanding Presbyopia and Prescription Glasses: Your Eye Care Questions Answered
Understanding Eye Pressure: Common Concerns and Expert Answers
I would like to inquire about issues related to intraocular pressure? Hello, doctor. May I ask a few questions regarding intraocular pressure? 1. If I sleep face down without using my eyes, just resting my forehead on my hands, will this cause an increase in intraocular pressur...
Dr. He Jianxian Reply:
Dear Mr. Andy, 1. Sleeping on your stomach can theoretically cause a slight increase in intraocular pressure, but for it to pose a real threat, it must be accompanied by structural characteristics (such as a narrow anterior chamber angle). 2. Even if you are not directly pressin...[Read More] Understanding Eye Pressure: Common Concerns and Expert Answers
Understanding Double Vision in Children: When to See an Eye Doctor
My daughter sees double vision above the subtitles when watching TV? My 13-year-old daughter, who does not have myopia or astigmatism, mentioned today while watching TV that when she focuses on the "white" subtitles, there are small overlapping shadows above them. She s...
Dr. Cai Wenyuan Reply:
It is recommended to visit an ophthalmology clinic for an examination.[Read More] Understanding Double Vision in Children: When to See an Eye Doctor
Understanding Visual Phenomena: Possible Eye Conditions Explained
Seeing small halos when moving the eyes in the dark / perceiving a bright direction when looking in the dark? I would like to inquire about two phenomena and whether they are signs of any disease. 1. In the dark, when I open my eyes and look towards the outer corners, moving my...
Dr. Gao Pilin Reply:
Hello: 1. Seeing small white halos when opening your eyes in the dark and noticing trails when moving your head may indicate vitreous floaters or a retinal issue. After examination, a retinal tear was found, which could be the cause of these phenomena. 2. In darker environmen...[Read More] Understanding Visual Phenomena: Possible Eye Conditions Explained
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
Do You Need Additional Eye Exams Before Cataract Surgery?
Do I need to undergo examinations for the macula, glaucoma, or other conditions before cataract surgery? Hello Dr. Gao. My left eye is 1700, and my right eye is 2400. Both eyes have presbyopia, astigmatism, and macular degeneration, with the right eye being more severe and requir...
Dr. Gao Pilin Reply:
Hello: Before cataract surgery, the physician will conduct a series of examinations to assess the macula, optic nerve, and other factors. Regarding the choice of intraocular lens (IOL), considering your macular degeneration and work requirements, it is recommended that you select...[Read More] Do You Need Additional Eye Exams Before Cataract Surgery?
Understanding Eye Drift: Is It Strabismus or Just a Focus Issue?
When looking far with the left eye, it tends to drift to the left? Hello, doctor. Recently, I recorded a video on my phone and noticed that my left eye tends to drift outward slightly when I look at distant objects, while it appears normal when looking at nearby objects. I have a...
Dr. Gao Pilin Reply:
Hello: Based on the symptoms you described, it is possible that you have strabismus. Strabismus refers to the misalignment of the visual axes of the two eyes, resulting in an inability to focus on the same target simultaneously. There are many types of strabismus, including esotr...[Read More] Understanding Eye Drift: Is It Strabismus or Just a Focus Issue?