Orthokeratology, Ophthalmology FAQ - Page 3

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Addressing Issues with Orthokeratology Lenses: Solutions for Double Vision

Orthokeratology issues Hello, Doctor. I apologize for taking up your time with my questions. About a month ago, I got orthokeratology lenses fitted at the ophthalmology department. My left eye had a myopia of -2.75 and my right eye -2.50. The correction results for my left eye we...


Dr. Gao Pilin Reply:
Hello: It is possible that the position of the shaping lens shifted during sleep, which could lead to this phenomenon. You may want to check the corneal topography to see if the cornea is normal. If there are any deviations, it may be necessary to investigate the cause further. I...

[Read More] Addressing Issues with Orthokeratology Lenses: Solutions for Double Vision


Effective Solutions for Myopia in Adults: Contact Lenses vs. Laser Surgery

Solutions for Myopia in Adults Hello, Doctor. I started wearing orthokeratology lenses at the age of 16 and stopped wearing them last year when I turned 25 after getting a new pair. During the fitting for the new lenses, the ophthalmologist mentioned that orthokeratology lenses a...


Dr. Cai Wenyuan Reply:
It is recommended to wear regular glasses, as wearing contact lenses for too long can increase the risk of corneal infections.

[Read More] Effective Solutions for Myopia in Adults: Contact Lenses vs. Laser Surgery


Managing Excessive Axial Length in Children's Eyes: Concerns and Solutions

Excessive axial length in children? Thank you, doctor, for your prompt response to my questions! Yesterday, I inquired about my child's axial length of 25mm. This year, my son turns 8 years old and has 200 degrees of astigmatism in both eyes. In July last year, his right eye...


Dr. Gao Pilin Reply:
Hello Kelvin: 1. It is still within the normal range; a flat cornea indicates a lower refractive value, not a thin cornea. 2. The current proactive management methods include the use of long-acting atropine eye drops or wearing orthokeratology lenses. However, there are individua...

[Read More] Managing Excessive Axial Length in Children's Eyes: Concerns and Solutions


Managing Myopia Progression in Children: Concerns About Axial Length Growth

Excessive axial length? Hello Doctor, my son turned 8 this year. He has 200 degrees of astigmatism in both eyes. In July of last year, his right eye had +75 degrees of hyperopia and his left eye had -25 degrees of myopia. The axial lengths were 24.21 mm for the right eye and 24.4...


Dr. Gao Pilin Reply:
Hello Kelvin: 1. An increase in axial length can lead to a progression of myopia, but a flattening of the cornea can counteract myopia. Currently, the axial length seems to be longer than average, but it may be compensated by the corneal changes, so the refractive error is not ...

[Read More] Managing Myopia Progression in Children: Concerns About Axial Length Growth


Managing Eye Redness in Children After Contact Lens Care

Bloodshot eyes Hello, this morning when I was helping my child remove the orthokeratology lenses, the suction stick accidentally came into contact with a bit of AO hydrogen peroxide solution. My child immediately reacted with pain, so I rinsed the eye with a large amount of salin...


Dr. Gao Pilin Reply:
Hello Mai: If there is no pain, you can observe the situation, as blood-tinged discharge is normal and should disappear within a day. After rinsing with hydrogen peroxide solution, it should not cause any issues. You can still wear it without any problem. Online responses should ...

[Read More] Managing Eye Redness in Children After Contact Lens Care


Managing 350 Diopter Discrepancy: Solutions for Eye Strain and Vision Clarity

Binocular disparity of 350? My left eye has normal vision, but my right eye has a refractive error of -3.50. I have asked my doctor about wearing glasses, but when I get them fitted, I experience dizziness. The doctor is also hesitant to let me wear contact lenses. Previously, I ...


Dr. Gao Pilin Reply:
Hello KC: Generally, discomfort occurs when the prescription exceeds 250 degrees. If the right eye is nearsighted, it is actually the left eye that experiences strain, not the right eye, which finds it easier to see up close. If you wish to get glasses, it is advisable to keep th...

[Read More] Managing 350 Diopter Discrepancy: Solutions for Eye Strain and Vision Clarity


Understanding Large Binocular Disparity and Its Impact on Vision

There is a significant disparity, and objects appear very bright? Hello, doctor. I have a significant disparity between my two eyes, which sometimes makes it difficult to focus on objects. I feel uncomfortable, and everything seems overly bright. My left eye has a prescription of...


Dr. Gao Pilin Reply:
Hello, Yi: Wearing contact lenses or orthokeratology lenses is one way to reduce the disparity between the two eyes and achieve good vision in both. If you prefer to wear regular prescription glasses, please note the following: 1. The difference in prescription strength between t...

[Read More] Understanding Large Binocular Disparity and Its Impact on Vision


Understanding Myopia Progression in College Students: Key Factors and Treatments

The rapid increase of myopia among college students? Hello, doctor. My son is 19 years old and has myopia with a prescription of approximately -5.50/-6.75 diopters. He is regularly monitored by an ophthalmologist for his prescription and axial length, and he is currently using at...


Dr. Gao Pilin Reply:
Hello, Miss Yan: 1. An increase of 1 mm in axial length corresponds to approximately an increase of 300 degrees of myopia. Besides axial length, the most common cause is the strain of the ciliary muscle. 2. Yes, it is possible. 3. If there are so many discomforts, you can avoid ...

[Read More] Understanding Myopia Progression in College Students: Key Factors and Treatments


Does Pupil Dilation Cause Vision Changes and Light Sensitivity?

Pupil Dilation Issues Does prolonged squinting due to photophobia while using mydriatics lead to an increase in prescription strength? If glasses are already being worn, can one consider discontinuing mydriatics to resolve the photophobia issue? How many days after stopping mydri...


Dr. Gao Pilin Reply:
Hello Nini: Squinting does not increase myopia, but it can put pressure on the cornea, making it more prone to astigmatism. Typically, after reaching adulthood, myopia is less likely to worsen, so there is no need for cycloplegic agents. For minors experiencing significant discom...

[Read More] Does Pupil Dilation Cause Vision Changes and Light Sensitivity?


Understanding Corneal Issues: Vision Clarity After Orthokeratology

Corneal issues Hello Doctor: Recently, wearing orthokeratology lenses has caused a corneal abrasion. I have already sought medical attention, but the eye with the abrasion actually sees distant objects more clearly than before the abrasion, while near vision is quite unclear and ...


Dr. Gao Pilin Reply:
Hello Wei: This is likely a refractive change caused by a corneal abrasion, which may have shifted your prescription towards hyperopia. Once the abrasion heals, your vision should return to normal. However, if the issue persists, it may be necessary to remeasure your prescription...

[Read More] Understanding Corneal Issues: Vision Clarity After Orthokeratology


Can I Get New Glasses After One Week of Stopping Ortho-K?

Orthokeratology Hello, doctor. I have been wearing orthokeratology lenses for 9 years, and I have had follow-up visits and changed lenses during that time. Recently, I would like to switch back to wearing glasses and contact lenses, but I found online information stating that I n...


Dr. Gao Pilin Reply:
Hello, Xin Xin: If you stop wearing your glasses for a week, your prescription may not return to its true value, which could result in an insufficient prescription when you get new glasses. If you urgently need clear vision, I recommend trying daily disposable contact lenses to g...

[Read More] Can I Get New Glasses After One Week of Stopping Ortho-K?


Understanding Pseudomyopia in Children: Risks, Treatments, and Management

Eye problems Hello, doctor... My child had a vision test at school today with results of 0.8 and 0.9. We went to the ophthalmologist, and the prescription was -2.50 for both eyes. The doctor said to use a cycloplegic agent and return for a follow-up in a month. The vision is norm...


Dr. Gao Pilin Reply:
Dear Concerned Father, If you are worried about the side effects of dilating agents, you may consider using orthokeratology lenses. This is currently one of the two methods available to inhibit myopia progression. Without preventive treatment, myopia often increases gradually as...

[Read More] Understanding Pseudomyopia in Children: Risks, Treatments, and Management


Understanding Vision Changes: Blackout in Lower Right Eye Field

Lower visual field of the right eye? Hello, doctor. I have high myopia, and since the end of September last year, I have been experiencing a foggy black sensation in my right eye's lower visual field when moving from bright to dim areas. I had been wearing orthokeratology le...


Dr. Gao Pilin Reply:
Hello Ms. Tseng: This situation is likely unrelated to orthokeratology lenses. The results from the dilation, visual field test, and OCT are not concerning, so there is no need for worry. It is possible that you are experiencing floaters, but it is best to have the examining phys...

[Read More] Understanding Vision Changes: Blackout in Lower Right Eye Field


Understanding Pain from Orthokeratology Lens Wear: Causes and Solutions

Discomfort associated with wearing orthokeratology lenses? I have been wearing orthokeratology lenses for about six years. Recently, I stopped wearing them for a week or two because I wanted to get glasses. When I tried to wear them again (after wearing them for two to three hour...


Dr. Gao Pilin Reply:
Hello Ms. Yang: If you have a history of corneal abrasion and are experiencing the same symptoms again, it is very likely that you are dealing with another corneal abrasion. You should have a doctor examine whether your orthokeratology lenses are still suitable for you. If you ar...

[Read More] Understanding Pain from Orthokeratology Lens Wear: Causes and Solutions


Can Eye Disparity Be Corrected After Childhood Vision Changes?

Can binocular disparity still be corrected? Hello, Doctor: When I was younger, my vision was quite good; I remember it fluctuated around 1.0 and 0.9 for a long time. I can't recall when I started experiencing diplopia. The last vision check was about two years ago, where my ...


Dr. Gao Pilin Reply:
Hello Ms. Yan, Recently, your vision check showed 0.4 in your right eye and 0.7 to 0.8 in your left eye. Poor visual acuity does not necessarily indicate myopia, as conditions like hyperopia and astigmatism can also lead to decreased vision. A comprehensive eye exam is needed to...

[Read More] Can Eye Disparity Be Corrected After Childhood Vision Changes?


Is There a Risk of Acanthamoeba Infection After Contact Lens Use?

Possibility of Abamycin Infection I have a habit of wearing orthokeratology lenses. After starting university last September, I used a multipurpose solution to clean and soak the lenses, but I would rinse them with water and put them on directly. About two months ago, I decided t...


Dr. Gao Pilin Reply:
Hello Mr. Zhou: Typically, amoebic infections can cause keratitis and corneal ulcers, usually affecting one eye. Symptoms may include a foreign body sensation, photophobia, tearing, and severe pain. If you are experiencing conjunctivitis and mild discomfort, it is likely not an a...

[Read More] Is There a Risk of Acanthamoeba Infection After Contact Lens Use?


Understanding Contact Lens Issues: Discomfort and Eye Health Concerns

Contact lenses Hello, doctor. I previously wore orthokeratology lenses but had an infection that caused corneal damage. I stopped wearing them and have recovered for about a year and a half. Recently, I started wearing colored contact lenses. There are no issues while wearing the...


Dr. Gao Pilin Reply:
Hello, Xiao Jie: Typically, contact lenses can become less mobile in the evening. I'm not sure about your situation, but it could be that the curvature of the lenses is not quite right. When you remove them, you might experience a foreign body sensation, which could be due t...

[Read More] Understanding Contact Lens Issues: Discomfort and Eye Health Concerns


Understanding Corneal Issues: Why Morning Vision is Blurry and Solutions

Corneal issues I wear orthokeratology lenses while sleeping at night, but when I wake up in the morning, my vision is blurry both for near and far distances. This condition usually improves significantly by the afternoon, especially after taking a nap, when my vision becomes more...


Dr. Gao Pilin Reply:
Hello Ying: Based on your description, it seems that the prescription for your orthokeratology lenses may not be suitable. It is likely that the prescription is too strong, causing you to experience some degree of hyperopia. Therefore, when you first remove the lenses, both dista...

[Read More] Understanding Corneal Issues: Why Morning Vision is Blurry and Solutions


Understanding Binocular Disparity: Treatment Options for Vision Issues

Binocular disparity Hello Doctor: My son is currently in the 8th grade and is 14 years old. Two years ago, his vision in the left and right eyes was 25 and 250, respectively. Recently, he went to a clinic for an examination and found that his vision has worsened, with the left ey...


Dr. Gao Pilin Reply:
Hello, Wei-Yu: If the refractive error in both eyes is worsening, there are several methods to consider: 1. Administering cycloplegic drops. 2. Wearing orthokeratology lenses. 3. Using contact lenses in one eye. However, these should be done according to the recommendations of yo...

[Read More] Understanding Binocular Disparity: Treatment Options for Vision Issues


Corneal Abrasion: Causes and Recovery of Blurred Vision

Corneal abrasion with blurred vision? Hello Doctor, I have been experiencing discomfort from wearing orthokeratology lenses, so I went to an ophthalmologist for an examination. The doctor informed me that I have a corneal abrasion, which has worsened due to repeated wear. As a re...


Dr. Cai Wenyuan Reply:
Hello: Generally, recovery is common, but please seek medical treatment. Wishing you safety and health. Sincerely, Dr. Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Corneal Abrasion: Causes and Recovery of Blurred Vision


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