Cornea, Ophthalmology FAQ - Page 21

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Understanding High Myopia: Risks, Treatments, and Lifestyle Adjustments

High myopia I have high myopia, and I really don't want to wear glasses for the rest of my life. I haven't properly protected my eyes since childhood, which is why I often experience high intraocular pressure. My myopia is -10.00 diopters, and I've been told that h...


Dr. Gao Pilin Reply:
Hello Jiajing: I apologize, but it is currently not possible to restore the eyeball to a state of emmetropia before myopia developed. In cases of high myopia, the condition of the retina must be assessed. If there is no retinal damage, one can generally live a life similar to tha...

[Read More] Understanding High Myopia: Risks, Treatments, and Lifestyle Adjustments


Understanding Conjunctival Cysts: Causes, Treatment, and Myths Explained

Conjunctival cyst 1. Are conjunctival cysts and conjunctival edema the same thing? 2. Are conjunctival cysts more commonly congenital or acquired? 3. Generally, do conjunctival cysts grow slowly over time? Is it possible for them to remain the same size throughout a person&#x...


Dr. Gao Pilin Reply:
Hello, Liang Wen: 1. Different 2. Acquired 3. 4. Usually, they stabilize once they reach a certain size. 5. Not necessarily 6. It's generally difficult because it can be challenging to remove them intact. 7. It's hard to say. 8. Usually requires surgery....

[Read More] Understanding Conjunctival Cysts: Causes, Treatment, and Myths Explained


Do Corneal Opacities After Conjunctivitis Require Treatment?

Corneal leukoma Hello, if corneal opacities remain after conjunctivitis and do not affect vision, is treatment necessary? Will the opacities disappear or worsen? If low-dose steroid eye drops are used for treatment, what is the general recommended duration for the treatment? Than...


Dr. Gao Pilin Reply:
Hello Ms. Chen: What you are referring to is likely a corneal scar left by keratitis, similar to how we have scars from injuries. Depending on the severity of the injury, the scar may fade over time, but in severe cases, it may remain permanently. However, there are no other unde...

[Read More] Do Corneal Opacities After Conjunctivitis Require Treatment?


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 Common Eye Issues: Floaters, Eye Care, and Exams

Eye problems 1. Can benign floaters disappear on their own? 2. Is it possible for benign floaters to not cause any retinal issues throughout a person's life, or do benign floaters inevitably lead to retinal holes as one ages? Are individuals with physiological benign floater...


Dr. Gao Pilin Reply:
Hello Sun: 1. It may or may not happen, but it usually lasts for a while, and then you get used to it. 2. Benign floaters do not cause retinal disease. Floaters do not lead to retinal tears because tears occur due to vitreous traction or if the retina itself is thinner. 3. Ey...

[Read More] Understanding Common Eye Issues: Floaters, Eye Care, and Exams


Understanding Optos 200-Degree Ultra-Widefield Imaging in Eye Care

Optos 200-degree ultra-widefield non-dilated fundus photography? 1. I would like to ask if, during the Optos 200-degree ultra-widefield non-dilated retinal imaging examination, it is possible for the device to come into contact with the cornea. During the procedure, my eyes had t...


Dr. Gao Pilin Reply:
Hello Kuan-Ying, 1. To see a wider field, according to optical principles, one should be closer to the eye. However, under normal circumstances, this should not touch the cornea, so there should be no risk of infection. 2. Traditional dilated fundus examinations and photography ...

[Read More] Understanding Optos 200-Degree Ultra-Widefield Imaging in Eye Care


Are Dilating Eye Drops Safe for Open-Angle Glaucoma Patients?

Mydriatic eye drops 1. I have open-angle glaucoma with elevated intraocular pressure and floaters. I have used mydriatic eye drops four times in three weeks for examinations. Could this cause harm to my eyes? Specifically, I administered the drops twice within a short interval of...


Dr. Gao Pilin Reply:
Hello James: 1. It should not happen. 2. Closed-angle glaucoma is more likely to trigger acute attacks, while open-angle glaucoma does not. 3. It will not happen. In Taiwan, the ophthalmology department at Puzi Hospital is open on Monday, Tuesday, Thursday, and Friday mornings fr...

[Read More] Are Dilating Eye Drops Safe for Open-Angle Glaucoma Patients?


How to Choose the Right Prescription for Contact Lenses

How to choose the appropriate prescription for contact lenses? Hello, doctor. I have myopia in both eyes, currently wearing prescription glasses with the following degrees: R: -1.75, L: -2.75. Due to work reasons, I would like to try wearing contact lenses, but I have never worn ...


Dr. Gao Pilin Reply:
Hello, if you want to convert your glasses prescription to contact lenses, you can wear the same prescription strength. However, it is also important to measure the curvature of your cornea, especially since you have never worn contact lenses before. It is recommended that you vi...

[Read More] How to Choose the Right Prescription for Contact Lenses


Understanding Glaucoma: Key Questions and Insights for Patients

Glaucoma issues? 1. If a person has over 200 degrees of myopia and astigmatism, will the visual field testing instrument, which corrects refractive errors, adjust for astigmatism in addition to myopia? Does the existing astigmatism affect the visual field test results? 2. Since ...


Dr. Gao Pilin Reply:
Hello, Ah Hou: 1. I have not used this type of visual field instrument, so I am unsure if it can correct astigmatism. However, mild astigmatism may not require correction. 2. Unless the pupil is very small, it generally does not significantly affect the visual field and can be o...

[Read More] Understanding Glaucoma: Key Questions and Insights for Patients


Understanding Light Distortion and Double Vision with Glasses

Eyeglass issues? 1. The symptoms you are experiencing, such as seeing blue and yellow halos around lights, particularly when wearing glasses, could be indicative of several eye conditions. These may include astigmatism, which can cause light distortion, or issues related to the l...


Dr. Gao Pilin Reply:
Hello: The blue and yellow halos at the edges are due to the prism effect of the lenses, causing dispersion. This phenomenon is more pronounced in thicker lenses. The greater the angle at which you view the eyeglass lenses, the more severe the diplopia, which is also due to this ...

[Read More] Understanding Light Distortion and Double Vision with Glasses


Night Vision Issues: Halo Effects and Light Sensitivity Explained

Poor night vision, presence of halos, and photophobia? Hello, Doctor Gao. I am currently 26 years old and I spend a lot of time using my eyes, almost all day staring at the computer. My myopia is about -3 to -4 diopters, with astigmatism of over -1 diopter in one eye and over -2 ...


Dr. Gao Pilin Reply:
Hello, S: Conditions such as conjunctivitis, keratitis, iritis, cataracts, and glaucoma may all present with halos. Issues with the cornea itself can lead to halos. If there is no inflammation, no cataracts, and no glaucoma, it may be more related to the cornea, so it would be ad...

[Read More] Night Vision Issues: Halo Effects and Light Sensitivity Explained


Understanding Diplopia: Causes, Symptoms, and Treatment Options

Diplopia issues I previously experienced double vision and consulted a doctor who diagnosed it as eye strain. After using eye drops for a month, my condition improved, but I still have issues with my right eye. The doctor only advised me to rest more. Could there be other underly...


Dr. Gao Pilin Reply:
Hello Mr. Wu: The possible causes of monocular diplopia include: refractive errors (especially astigmatism), corneal disorders, cataracts, lens dislocation, iris atrophy, iris surgery (resulting in two pupils), and vitreoretinal diseases. Monocular diplopia may not be related to ...

[Read More] Understanding Diplopia: Causes, Symptoms, and Treatment Options


Understanding the Safety of Dilating Eye Drops: Risks and Concerns

Pupil-dilating eye drops 1. If a patient undergoes two dilated fundus examinations at different ophthalmology clinics approximately six days apart, will the proximity of the dilation drops cause any harm to the eyes, such as corneal injury, cataracts, macular degeneration, or gla...


Dr. Gao Pilin Reply:
Hello, Delhi: 1. No, it won't happen. 2. No, it won't happen. 3. It's temporary, as the angle will return to its original size once the pupil constricts. Taiwan E-Hospital Puzi Hospital Ophthalmology: Monday, Tuesday, Thursday, and Friday from 8:00 AM to 12:00 PM; ...

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Understanding Myopia Progression: Factors Beyond Axial Length in Young Adults

RE: Rapid Increase in Myopia Among College Students Thank you, doctor, for your helpful response to my previous question. Regarding my second question, "Myopia is influenced not only by axial length but also by the cornea and lens. At 19 years old, if there is no trauma, can...


Dr. Gao Pilin Reply:
Hello, Ms. Yan: Aside from the axial length of the eye, the most common cause of changes in the refractive power of the lens is the contraction of the ciliary muscle. However, the specific origin of this change is not something to be overly concerned about, as it is a multifact...

[Read More] Understanding Myopia Progression: Factors Beyond Axial Length in Young Adults


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


Understanding Eye Fatigue: When to Seek a Second Opinion

Eye fatigue Hello, doctor. A couple of days ago, I visited an eye clinic near my home because I felt a foreign body sensation in my left eye while showering the day before, along with some mild stinging. However, when I looked in the mirror, I didn't see any eyelashes or any...


Dr. Gao Pilin Reply:
Hello Ms. Tsai: The sensation of a foreign body in the eye without the presence of an actual foreign object may be due to conjunctivitis, corneal abrasion, or dry eye syndrome. Fatigue can also lead to symptoms of eye strain and a feeling of pressure. Additionally, conjunctivitis...

[Read More] Understanding Eye Fatigue: When to Seek a Second Opinion


Understanding Eye Fatigue: When to Seek a Second Opinion

Eye fatigue Hello, doctor. A couple of days ago, I visited an ophthalmology clinic near my home because I felt a foreign body sensation in my left eye while showering the day before, along with some stinging pain. However, when I looked in the mirror, I didn't see any eyelas...


Dr. Gao Pilin Reply:
Hello Ms. Tsai: The sensation of a foreign body in the eye without an actual foreign object may be due to conjunctivitis, corneal abrasion, or dry eye syndrome. Fatigue can also cause symptoms of eye strain and a feeling of pressure. Conjunctivitis can lead to edema of the conjun...

[Read More] Understanding Eye Fatigue: When to Seek a Second Opinion


Understanding Corneal Abrasions: Causes, Treatment, and Recovery

Corneal abrasion Hello doctor, I noticed a week ago that my eyes hurt and I couldn't open them when I woke up. After visiting a clinic, I was told that I had a corneal abrasion. After using the medication for two days, it improved somewhat, but one night I forgot to apply th...


Dr. Gao Pilin Reply:
Hello Ms. Wang: It is possible that the cornea has been scratched again. During sleep, there is less tear production, which can cause the cornea to adhere to the eyelids. When you open your eyes, the cornea can get torn. To mitigate this issue, you can apply an ointment before be...

[Read More] Understanding Corneal Abrasions: Causes, Treatment, and Recovery


Understanding Floaters: When to Worry About Eye Symptoms

The sensation of seeing mosquitoes with the eyes? Hello, doctor. Recently, I went to have my eyes checked because I sometimes see floaters. The eye doctor said I only have vitreous floaters and no tears, so I shouldn't worry and just observe. However, just now while using my...


Dr. Gao Pilin Reply:
Hello Lin: After the dilated eye exam, everything seems fine, so you should feel reassured. However, the floaters may persist for a long time and may not disappear. Please refer to: https://bit.ly/2YAfYqh. It is normal for your vision to be blurry for 1-2 seconds when switching e...

[Read More] Understanding Floaters: When to Worry About Eye Symptoms


Can Rubbing Your Eyes Cause Injury? Understanding Eye Safety

Can the eyes be injured? Good evening, Doctor. I would like to ask you some questions. Earlier, while I was showering, I was rinsing my hair and face with the showerhead, and my eyes felt itchy. I rubbed them, and I'm not sure if it was because my upper eyelid flipped over a...


Dr. Gao Pilin Reply:
Hello Kame: Based on your description, it should be fine. If you don't experience any pain tomorrow, you can rest assured. It won't harm the retina; if the cornea were injured, it would be very painful, but if there is no pain, then everything is okay. In Taiwan, the op...

[Read More] Can Rubbing Your Eyes Cause Injury? Understanding Eye Safety


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