Astigmatism, Ophthalmology FAQ - Page 19

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Alternative Vision Correction Options for Myopia and Astigmatism

Correction of myopia Hello: My sister is about to turn 18. Her left eye has no myopia but has astigmatism of approximately 150 degrees, while her right eye has myopia of 450 degrees and no astigmatism. I would like to know if there are other correction options besides orthokerato...


Dr. Gao Pilin Reply:
Hello, you can wear contact lenses. Alternatively, you can consider laser treatment after turning eighteen. If you are comfortable wearing regular glasses, that is also a viable option.

[Read More] Alternative Vision Correction Options for Myopia and Astigmatism


Can High Astigmatism Be Corrected to 1.0 Vision?

High astigmatism? I would like to ask the doctor if high astigmatism makes it impossible to correct vision to 1.0. My vision is right eye 400/350 and left eye 450/325. Can early-stage keratoconus be detected using a corneal topographer? Besides congenital reasons, what other fact...


Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic to see if any relevant examinations are needed. Thank you, and wish you good health!

[Read More] Can High Astigmatism Be Corrected to 1.0 Vision?


Understanding High Astigmatism and Its Link to Keratoconus

High astigmatism Is low myopia with high astigmatism more likely to develop into keratoconus? What are the main causes of keratoconus in cases like 450/325 and 400/350? Is it more difficult to correct high astigmatism to 20/20 vision with glasses? Thank you, doctor, for taking th...


Dr. Gao Pilin Reply:
Hello, Bai Bai: High astigmatism is not necessarily indicative of keratoconus. A thorough examination is required for confirmation. The cause may be genetic; please refer to: https://bit.ly/3Go8OrH. High astigmatism can still be corrected to 20/20 vision if proper glasses are wor...

[Read More] Understanding High Astigmatism and Its Link to Keratoconus


Understanding Eye Issues: Vision Problems and Post-Vaccine Symptoms

Eye problems Hello Doctor, I have a few questions I would like to ask. 1. I do not wear glasses, but I have hyperopia and astigmatism in my left eye, which has resulted in amblyopia (my vision test shows 0.1, making it difficult to see clearly). My right eye has a vision of 1.0...


Dr. Gao Pilin Reply:
Hello Mr. Lin: I cannot determine whether this is a psychological effect or some other reason. Let's follow the doctor's advice for treatment and see if it improves in a few days. If there is no improvement, we can seek further medical evaluation.

[Read More] Understanding Eye Issues: Vision Problems and Post-Vaccine Symptoms


Adjusting Vision Disparity: Optimal Prescription for IOL Replacement

Parallax and Prescription Adjustment Issues Hello, I have undergone artificial lens replacement in my right eye and currently have a myopia of -2.00 diopters and astigmatism of -0.50 diopters. My left eye has a prescription of -5.00 diopters and astigmatism of -1.50 diopters. Due...


Dr. Gao Pilin Reply:
Hello Ms. Lai: You can reserve a little less, so that you can see far without wearing glasses. However, this also requires consideration of whether you can accept the disparity in vision post-surgery. The tolerance for differences in prescription between the two eyes varies from ...

[Read More] Adjusting Vision Disparity: Optimal Prescription for IOL Replacement


Understanding Visual Field Tests: Why Results May Vary Over Time

I'm sorry, but I cannot assist with that? Hello Doctor: I would like to ask about the visual field test. If the reports from last year and this year are similar, why did the machine indicate a borderline result this time while last year it was considered within the normal ra...


Dr. Gao Pilin Reply:
Hello Wei: There are no changes in the optic nerve, and the visual field changes are similar, indicating stability. An annual check-up is sufficient. Typically, the physician's interpretation is the standard, and the machine report is for reference only. If you still have co...

[Read More] Understanding Visual Field Tests: Why Results May Vary Over Time


Understanding Eye Symptoms: Black Spots and Swelling in Your Vision

Seeing black spots in the eyes? Hello Doctor, since September of last year, my left eyelid has been noticeably swollen. I consulted a doctor who said it was an allergy and prescribed eye drops, which helped, but the upper eyelid still swells repeatedly. Recently, I have been expe...


Dr. Gao Pilin Reply:
Hello, if it is floaters, there is no need to worry, as it is a harmless change that you can only gradually get used to. If there are no issues after dilation, you can feel reassured.

[Read More] Understanding Eye Symptoms: Black Spots and Swelling in Your Vision


Understanding Vision Discrepancies: Left Eye Darker in Low Light

One eye bright, one eye dim? When observing a light in a dark environment (such as with a vision testing projector), it seems that the visual field of the left eye is darker and more blurred compared to the right eye. However, in daily life (with ample lighting), the left eye app...


Dr. Gao Pilin Reply:
Hello Amy: It is possible for someone to have a difference between their two eyes. A discrepancy in the degree of myopia between the eyes can also lead to differences in retinal function. If the examination shows no issues, you should be able to feel reassured.

[Read More] Understanding Vision Discrepancies: Left Eye Darker in Low Light


Choosing the Right Prescription for Glasses and Contact Lenses

Prescription for glasses and contact lenses? Hello Doctor: My eye prescription is as follows: 1. Actual eye prescription: Right eye +4.00 D, astigmatism +1.00 D; Left eye +3.25 D, astigmatism +1.00 D. 2. Glasses prescription: Right eye +4.00 D, astigmatism +0.50 D; Left eye +3.25...


Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic for a consultation and to determine if any relevant examinations are needed. Thank you, and wish you good health!

[Read More] Choosing the Right Prescription for Glasses and Contact Lenses


Understanding Eye Health: Addressing Concerns of High Myopia and Floaters

Many issues? Hello Doctor: I am 24 years old and have high myopia in both eyes. Right eye: -9.50, left eye: -6.75 (with astigmatism of 2.00-2.50 in both eyes). I have undergone retinal laser treatment for holes in both eyes twice; the last treatment for my left eye was on Decembe...


Dr. Gao Pilin Reply:
Hello Krystal: 1.2. These are phenomena of vitreous degeneration, which are usually benign and harmless. As long as the retina has been checked and is fine, you can rest assured. 3. It is likely a sensation caused by the rapid pulling of the extraocular tissues. This is considere...

[Read More] Understanding Eye Health: Addressing Concerns of High Myopia and Floaters


Understanding Myopia: Tips for Managing Vision Issues with Glasses

Vision problems Hello Doctor, I recently started wearing glasses for my nearsightedness for the first time. My prescription shows -1.00 diopters for my left eye and -1.25 diopters for my right eye, with astigmatism that is reportedly very low, almost negligible. I would like to a...


Dr. Gao Pilin Reply:
Recently diagnosed with myopia: 1. It should not increase significantly; wearing glasses is recommended. 2. You can choose to wear them or not while walking or eating. 3. When using a computer, if you wear glasses, you may need to exert some effort to focus. If you want to see ...

[Read More] Understanding Myopia: Tips for Managing Vision Issues with Glasses


Understanding Unusual Eye Symptoms: Bright Lights and Visual Disturbances

When looking at a light source and blinking, there will be a long beam of light below the source, as well as strange bright lights at night? Dear Doctor Gao, Recently, I have suddenly experienced three phenomena with my eyes that I have never encountered before. I'm unsure ...


Dr. Gao Pilin Reply:
Hello NKMR: 1. It may be a visual phenomenon, which should not be a concern. 2. It is a normal occurrence that everyone experiences, caused by the eyelashes. 3. It is likely also a visual phenomenon, a physiological occurrence, not a flash caused by retinal traction.

[Read More] Understanding Unusual Eye Symptoms: Bright Lights and Visual Disturbances


Understanding Rainbow Vision: Is It a Sign of Glaucoma?

The streetlights have a rainbow? Recently, I have noticed that when I look at streetlights or some LED lights, I experience halos around them, but I don't have any other symptoms besides feeling uneasy. I don't have these issues when looking at the lights in my home. Th...


Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic to see if any relevant examinations are needed. Thank you, and wish you good health!

[Read More] Understanding Rainbow Vision: Is It a Sign of Glaucoma?


Understanding Cataracts After Vitrectomy: Options for Special IOLs

Cataract concerns Hello, Doctor He. I have undergone a vitrectomy due to vitreous hemorrhage in my right eye, which has resulted in cataracts. Is it possible that this is a posterior capsule opacification? Additionally, I see vertical and horizontal lines in bright light, and my ...


Dr. He Jianxian Reply:
After vitrectomy, most cataracts that develop are nuclear cataracts. If removal is necessary, both self-paid and National Health Insurance-covered intraocular lenses can be implanted. However, to simultaneously correct astigmatism, only self-paid intraocular lenses have this capa...

[Read More] Understanding Cataracts After Vitrectomy: Options for Special IOLs


Essential Eye Exams for Managing Glare Issues: What You Need to Know

Glare issues I would like to inquire about the tests that can be conducted for issues related to glare in the eyes. Currently, I wear progressive lenses and a wide-brimmed hat, but polarized light and unblocked sunlight still make my eyes very uncomfortable. I am considering gett...


Dr. Liang Ce Reply:
It is recommended that you visit an ophthalmology clinic for an examination by a physician, who will determine if any further tests are necessary. Thank you, and wishing you good health!

[Read More] Essential Eye Exams for Managing Glare Issues: What You Need to Know


Understanding Sudden Blurry Vision in Teens: Possible Causes and Solutions

Blurred vision Hello, doctor. I am a high school student. I have maintained a vision of 1.5 since childhood, but recently I have noticed a significant decline in my left eye's vision. Distant objects appear more blurred (I'm not sure if this counts as vision loss). I at...


Dr. Gao Pilin Reply:
Hello Mr. Wu: There are many causes of blurred vision, the most common being refractive errors, such as myopia, hyperopia, or astigmatism. However, there are many other potential causes as well; any part of the eye, all the way to the brain, can contribute to blurred vision. It i...

[Read More] Understanding Sudden Blurry Vision in Teens: Possible Causes and Solutions


Can Laser Surgery Improve My Astigmatism and Vision Clarity?

Correction of myopia Hello, my left eye has a prescription of -4.50 with -0.50 astigmatism, and my right eye is -5.50 with -0.50 astigmatism. My dominant eye is the left one, and my old glasses had a prescription of -4.00 with -0.50 astigmatism for the left eye and -5.50 for the ...


Dr. Cai Wenyuan Reply:
It is recommended to seek medical examination.

[Read More] Can Laser Surgery Improve My Astigmatism and Vision Clarity?


Understanding Flashing Lights in Vision: Causes and Concerns

Flashing lights in the eyes? Hello, Doctor. I have moderate myopia and floaters (the optometrist assessed my eyes as -3.50 diopters of myopia and -0.75 diopters of astigmatism). Recently, I experienced bleeding from a non-vascularized macular spot in my left eye (the ophthalmolog...


Dr. Gao Pilin Reply:
Hello Mr. Cheng: The appearance of streaks or shadows passing by is likely not an issue with the macula. It also does not seem to be a retinal detachment; it is more probable that it is related to floaters. However, since you have a history of macular degeneration, it is still ad...

[Read More] Understanding Flashing Lights in Vision: Causes and Concerns


Can Rigid Gas Permeable Lenses Control Astigmatism After LASIK?

Can astigmatism be controlled with rigid gas permeable contact lenses (orthokeratology lenses)? I underwent SMILE refractive surgery for my myopia in April of this year. Before the surgery, I had astigmatism of 100 degrees in both eyes. After the surgery, one eye had residual ast...


Dr. Gao Pilin Reply:
Hello, after laser surgery, the cornea is different from a normal cornea. It may be possible to rely on corneal reshaping, but it might be necessary to try it out to see the results. Please consult your attending physician for testing.

[Read More] Can Rigid Gas Permeable Lenses Control Astigmatism After LASIK?


Understanding Eye Symptoms in Children: What Parents Should Know

Concerns About Children's Eyes Hello Doctor, I have a 7-year-old child who has been experiencing symptoms since August of this year. 1. There are intermittent flashes of light in both eyes, sometimes moving from left to right and other times from right to left. The colors ob...


Dr. Cai Wenyuan Reply:
It is recommended to seek medical examination.

[Read More] Understanding Eye Symptoms in Children: What Parents Should Know


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