Contact lenses, Ophthalmology FAQ - Page 7

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Understanding Nystagmus: Can You Wear Contact Lenses?

Eye problems Hello, there is a saying that if someone has nystagmus, it is considered more serious, and they should not wear orthokeratology lenses or contact lenses. Could you explain the reason for this restriction? When looking at brighter objects, I feel that the surroundings...


Dr. Gao Pilin Reply:
Hello, Xin: It is possible that the movement during tremors may cause image instability or corneal abrasion. This is likely a normal physiological phenomenon; exposure to bright light can cause the periphery to appear darker. The flickering, differently shaped color patches may b...

[Read More] Understanding Nystagmus: Can You Wear Contact Lenses?


Hydrogen Peroxide in Eyes: What to Do and When to Seek Help

Hydrogen peroxide exposure to the eyes? Hello Doctor, I just started using AO solution to clean my contact lenses yesterday. This morning, when I put them on, my left eye might still have some residue, and it felt a bit gritty and stinging. So, I took them out and rinsed them wit...


Dr. Gao Pilin Reply:
Hello: If you rinse it off promptly, the damage should be minimal. You can use the previous medication as a temporary measure; if the symptoms improve, you can monitor yourself. However, if the discomfort persists, you should seek medical attention quickly.

[Read More] Hydrogen Peroxide in Eyes: What to Do and When to Seek Help


Can Rigid Contact Lenses Worsen Eyelid Ptosis? Expert Insights

Rigid gas permeable (RGP) contact lenses, ptosis-related issues? Hello Doctor: I have a congenital and very severe ptosis of the upper eyelid, where previously more than 70% of my pupil was covered by the upper eyelid. I have undergone ptosis surgery, but I still have mild droopi...


Dr. Liang Ce Reply:
We recommend that you discuss the above situation further with your attending physician to determine if any additional examinations are necessary. Thank you, and wishing you good health!

[Read More] Can Rigid Contact Lenses Worsen Eyelid Ptosis? Expert Insights


How Long Can You Wear Therapeutic Contact Lenses for Corneal Abrasions?

How long can therapeutic contact lenses for corneal abrasions be worn? Hello Doctor: I previously inquired (consultation number <a href="https://adoctor.tw/article/183224">#183224</a>) about my recurrent corneal abrasions. If I remove my therapeutic contact ...


Dr. Gao Pilin Reply:
Hello WLL: If the cornea has not yet healed, you can continue to wear them. Change to a new lens every week until recovery. It will not harm your eyes or cause changes in prescription. If healing occurs without scarring, vision should be restored.

[Read More] How Long Can You Wear Therapeutic Contact Lenses for Corneal Abrasions?


Can I Undergo PTK Laser Treatment After Smile Surgery?

Can a person who has undergone SMILE refractive surgery still undergo PTK laser treatment? Hello Doctor: I underwent SMILE laser surgery for my myopia two years ago, and since this year, I have been experiencing recurrent corneal abrasions (the cause is uncertain, but I suspect i...


Dr. Gao Pilin Reply:
Hello WLL: Theoretically, it should be possible. However, regarding its effectiveness, whether it will affect previous surgeries, and whether the postoperative refraction will change, it will need to be assessed by a physician. It is best to consult the doctor who performed the p...

[Read More] Can I Undergo PTK Laser Treatment After Smile Surgery?


Can Cockroach Droppings Contaminate My Contact Lenses?

Cockroach droppings on glasses? I just opened my contact lens case to take out my lenses and found some cockroach droppings. I wiped it off with tissue and put the lenses in, but later I felt something was wrong, so I cleaned them with water and alcohol. Could this lead to any in...


Dr. Gao Pilin Reply:
Hello, Hua: Glasses should not come into contact with the eyes, so there shouldn't be any issues. However, if you do experience any discomfort, please seek medical attention promptly.

[Read More] Can Cockroach Droppings Contaminate My Contact Lenses?


Can I Wear Contact Lenses with Different Prescription Strengths?

What about contact lenses? Hello, doctor. I would like to ask if it's acceptable to have a prescription for glasses with -500 degrees for the right eye and -625 degrees for the left eye, while wearing contact lenses with -450 degrees for the right eye and -575 degrees for th...


Dr. Gao Pilin Reply:
Hello: This is acceptable, as according to your eye examination, the contact lens prescription should be +500 for the right eye and +600 for the left eye, with a difference of 25-50 degrees. If your vision is not affected, it is not a concern.

[Read More] Can I Wear Contact Lenses with Different Prescription Strengths?


Can Rigid Contact Lenses Improve Irregular Astigmatism and Clarity?

Irregular astigmatism is causing issues with clarity, and I would like to wear rigid gas-permeable contact lenses to improve it? Hello, Doctor. I have been wearing prescription glasses, but I still cannot see clearly, even though my vision test shows 20/20. The ophthalmologist ha...


Dr. Gao Pilin Reply:
Hello: Rigid gas permeable contact lenses are one option; they naturally move around, and as long as they don't shift to an incorrect position, you might consider trying them. Laser treatment could also be a possibility. You may want to consult your doctor about this. Contac...

[Read More] Can Rigid Contact Lenses Improve Irregular Astigmatism and Clarity?


Understanding Blue-tinged Sclera: Causes and When to See a Doctor

The sclera appears bluish? This afternoon, I suddenly noticed that the whites of my eyes appear bluish. I'm not sure if it's related to wearing contact lenses, as I haven't worn them in a long time. I researched online and found that it could be chronic anemia, but...


Dr. He Jianxian Reply:
If the sclera appears bluish, it may be clinically associated with certain connective tissue diseases. It is recommended that if there are any concerns, one should visit a rheumatology clinic for further evaluation. Dr. Ho Chien-Hsien, Department of Ophthalmology, Nantou Hospital...

[Read More] Understanding Blue-tinged Sclera: Causes and When to See a Doctor


Why Wearing Contact Lenses Makes Your Phone Screen Look Sunken

Wearing contact lenses while looking at a mobile phone can cause indentation? Hello, Doctor Gao: I occasionally wear contact lenses (daily disposables), and when I look at my phone, I feel like the screen is concave. Could you please explain the reason? Additionally, when I wear ...


Dr. Gao Pilin Reply:
Hello, this is an optical phenomenon caused by refraction, and you will adapt to it after wearing it for a while. It's similar to the experience of seeing an uneven surface when you first start wearing glasses.

[Read More] Why Wearing Contact Lenses Makes Your Phone Screen Look Sunken


Understanding Retinal Issues After Eye Trauma: Symptoms and Solutions

Retinal issues Hello doctor, two days ago I was hit in the eye by a dodgeball (quite hard). At that moment, my vision was reduced to a small blurry area in the center. After a few minutes, I noticed a shadow in the lower part of my vision, which eventually went away. However, I w...


Dr. Gao Pilin Reply:
Hello, the redness in your eye may be due to a subconjunctival hemorrhage, and it will take time for the blood to be reabsorbed before the redness resolves. This may take a week or longer. The shadow you are seeing could be due to changes in the vitreous caused by trauma. If the ...

[Read More] Understanding Retinal Issues After Eye Trauma: Symptoms and Solutions


Adjusting to New Glasses: Managing Discomfort and Eye Strain

Get new glasses? I changed to a new pair of glasses over a month ago, with a slightly larger frame (the prescription is the same as my old glasses, and both have blue light blocking). After wearing them, I felt uncomfortable, so I went back for adjustments three times. The optica...


Dr. Cai Wenyuan Reply:
You can visit a hospital or clinic for an examination.

[Read More] Adjusting to New Glasses: Managing Discomfort and Eye Strain


Understanding Corneal Healing: Fluctuating Vision After Keratitis

Corneal abrasion after keratitis for over a month? Hello Doctor, I would like to inquire about my condition. I developed conjunctivitis in my right eye on February 7, which progressed to keratitis by February 15, leading to a corneal abrasion that has lasted for over a month and ...


Dr. Liang Ce Reply:
I recommend that you 1. discuss the above situation further with your attending physician to determine if any additional examinations are necessary. 2. visit the ophthalmology outpatient department at a medical center or large hospital. Thank you, and wish you good health!

[Read More] Understanding Corneal Healing: Fluctuating Vision After Keratitis


Contact Lenses vs. Naked Eye: Which Offers a True Reflection?

Contact lenses vs. glasses Hello, Director Gao: I have approximately 700 degrees of myopia in my naked eye. When I look at my face up close, I feel there is a significant difference between seeing it with my naked eye and wearing contact lenses. I would like to ask you which one ...


Dr. Gao Pilin Reply:
Hello: In terms of appearance, there should be no difference. However, in size, it may appear larger to the naked eye. Others will also consider how his eyes look. Myopic eyes tend to appear larger without correction. When wearing glasses, they appear smaller.

[Read More] Contact Lenses vs. Naked Eye: Which Offers a True Reflection?


Understanding Chronic Conjunctivitis: Causes and Prevention Tips

Causes of Chronic Conjunctivitis Hello, doctor. I have been experiencing recurrent conjunctivitis for the past year or two. When I wear contact lenses, I feel a foreign body sensation, and I notice discharge upon waking up. The doctor did not explain the cause at the time, but I ...


Dr. Gao Pilin Reply:
Hello Ms. Fu: The first category of causes for chronic conjunctivitis is due to bacterial infections, such as when the conjunctiva or eyelids are invaded by bacteria and not properly treated, leading to symptoms that fluctuate. The second category of causes is primarily due to re...

[Read More] Understanding Chronic Conjunctivitis: Causes and Prevention Tips


Choosing Contact Lenses for High Corneal Curvature: A Guide

If the curvature of your eyeball is too steep (and even a daily disposable lens with a curvature of 9.0 mm is not suitable), how should you choose contact lenses? Doctor, I apologize for the interruption. I have never worn contact lenses before, but recently I went to an optical ...


Dr. Gao Pilin Reply:
Hello, A: If wearing them feels uncomfortable, then they are not suitable contact lenses. The values 43.5 and 40.75 refer to the refractive power, with 40.75 being flatter and having a lower refractive power. The curvature of the eyeball can be measured during the refraction test...

[Read More] Choosing Contact Lenses for High Corneal Curvature: A Guide


Managing Monocular Cataracts: Post-Surgery Vision Imbalance Solutions

Unilateral cataract Hello Doctor, I have myopia in both eyes (475 degrees) with astigmatism (left eye/147 degrees, right eye/100 degrees) and presbyopia. My left eye has moderate cataracts, while my right eye has mild cataracts. Recently, I underwent surgery to replace the lens i...


Dr. Liang Ce Reply:
I suggest that you discuss the above situation further with your attending physician to determine if any additional examinations are necessary. Thank you, and wishing you good health!

[Read More] Managing Monocular Cataracts: Post-Surgery Vision Imbalance Solutions


Understanding Eyelid Swelling: Causes and Treatment Options

Swelling and pain in the corner of the eye? Hello, doctor. My left eye corner has been slightly swollen for a while. Recently, due to a stye, I noticed that the swelling has worsened. After researching online, I found that the affected area is likely around the nasolacrimal duct ...


Dr. Gao Pilin Reply:
Hello Mr. Bai: It could possibly be a stye. If it resolves, you should be able to wear orthokeratology lenses. I recommend that you seek medical evaluation for a proper check-up.

[Read More] Understanding Eyelid Swelling: Causes and Treatment Options


Chronic Headaches from Long-Term Glasses Use: What to Do?

Wearing glasses for a long time can cause headaches? Hello, Doctor. I have been wearing glasses for nearly 30 years, but I have always experienced discomfort in my left eye socket and difficulty with the left temple of the glasses. For a long time, I relied heavily on contact len...


Dr. Liang Ce Reply:
We recommend that you visit the ophthalmology outpatient department of a major hospital to see if any relevant examinations are needed. Thank you, and wish you good health!

[Read More] Chronic Headaches from Long-Term Glasses Use: What to Do?


Understanding Halos: Causes and Concerns Beyond Glaucoma

Rainbow vision problems Hello, doctor. A few days ago, I asked you about the issue of halos, but I don't think it's conjunctivitis or keratitis, and I haven't been wearing contact lenses. I've experienced halos for the past two years, during which my intraocul...


Dr. Gao Pilin Reply:
Hello: As I mentioned last time, the halos seen in glaucoma are caused by elevated intraocular pressure leading to corneal edema. At this time, the eyes may feel swollen. Any condition that causes corneal edema can result in halos, such as corneal hypoxia, corneal epithelial defe...

[Read More] Understanding Halos: Causes and Concerns Beyond Glaucoma


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