Contact lenses, Ophthalmology FAQ - Page 10

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Understanding Monocular Diplopia: Causes and Solutions for Right Eye Issues

Monocular diplopia in the right eye? Hello, doctor! After I entered military service at Chenggong Ridge around March, I noticed that at night, when looking at lights or light sources (like the moon or streetlights), they appeared to scatter, and I experienced photophobia. At that...


Dr. Gao Pilin Reply:
Hello, Nantou conscript: Common causes of monocular diplopia include refractive errors, especially astigmatism, corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. Based on your description, it is likely due to previous corneal inflammation t...

[Read More] Understanding Monocular Diplopia: Causes and Solutions for Right Eye Issues


Understanding Eye Redness: Causes and Solutions for Contact Lens Users

Localized redness in the eyes, conjunctival injection? Hello, Doctor Gao! I'm sorry to bother you again! Since January, I've been wearing silicone hydrogel contact lenses, and I've noticed a significant improvement in oxygen permeability. However, I often experienc...


Dr. Gao Pilin Reply:
Hello Mr. Lin: Red eyes can sometimes be due to conjunctival vascular congestion. If there is no discomfort, it should resolve on its own and is likely not a concern. Weight loss may not be related to intraocular pressure or eye redness; however, blood pressure may decrease, whic...

[Read More] Understanding Eye Redness: Causes and Solutions for Contact Lens Users


Understanding Black Shadows in Vision: Causes and Concerns

There are shadows in the eye? Today, due to itchy eyes, when I rubbed the inner corner of my eye, a dark circle appeared on the other side of the eye socket (it moved up and down), but it disappeared when I didn't press on it. Since I have high myopia and also experience flo...


Dr. Gao Pilin Reply:
Hello Ms. Li: The reason you see moving circles when pressure is applied is due to the pressure affecting the inner retina, causing stimulation that manifests on the outer side. Similarly, pressure applied to the upper side will appear on the lower side, as the retinal image is i...

[Read More] Understanding Black Shadows in Vision: Causes and Concerns


Understanding Cataract Surgery: Vision Correction and Eyewear Choices

What level of vision correction should be achieved after cataract surgery, and how should glasses be worn for the eye that has not undergone surgery? Hello, doctor. I apologize for the interruption. Recently, I have experienced a decline in my vision. After a consultation, it was...


Dr. Cai Wenyuan Reply:
1. Depending on individual needs, discussions can be held with the surgeon based on actual circumstances. 2. If presbyopic correction is reserved, distance vision may be unclear; it still depends on individual requirements. 3. It is not always the case; some patients may be able ...

[Read More] Understanding Cataract Surgery: Vision Correction and Eyewear Choices


Understanding Redness Around the Pupil: Contact Lens Concerns

Bloodshot sclera around the black pupil? Hello, Doctor Gao. In February, there was a day when I wore silicone hydrogel contact lenses for too long without paying attention to the duration. After taking them off, I noticed a red area with some spots on the outer side of my left ey...


Dr. Gao Pilin Reply:
Hello Mr. Chen: If the physician has assessed that you can wear them, then you should be able to wear them with confidence. If your eyes are red or uncomfortable, you can still wear them once they feel better. Just try to minimize the wearing time and use high oxygen-permeable, m...

[Read More] Understanding Redness Around the Pupil: Contact Lens Concerns


Managing Severe Hyperopia: Surgical Options and Challenges

Adult hyperopia Inquire about surgical treatment for bilateral hyperopia of +1500 diopters (as attempts to use custom hard or soft contact lenses have been unsuccessful). Lens replacement requires a power of +50 diopters (due to short axial length), and there are no available len...


Dr. Gao Pilin Reply:
Hello Ms. Wang: Currently, lens replacement seems to be the most feasible option. You may want to inquire at the ophthalmology department of a medical center to see if there are suitable options for the lens. The ophthalmology department at Puzih Hospital in Taiwan is available o...

[Read More] Managing Severe Hyperopia: Surgical Options and Challenges


Why Do Rigid Contact Lenses Make My Eyelids Feel Heavy?

Rigid gas permeable contact lenses can cause upper eyelid heaviness? Hello, I have been wearing rigid gas permeable contact lenses for almost two years and have become very accustomed to them without feeling any foreign body sensation. However, every time I put them on, I always ...


Dr. Gao Pilin Reply:
Hello K: This is one of the side effects of rigid gas permeable contact lenses, which can lead to ptosis (drooping of the eyelid). The long-term blinking causes friction between the lens and the upper eyelid, resulting in damage, inflammation, scarring of the upper eyelid, and ev...

[Read More] Why Do Rigid Contact Lenses Make My Eyelids Feel Heavy?


Understanding Vascular Proliferation in Eye Health: Concerns and Care

Vascular proliferation Hello Doctor, I previously had some blood vessels and went to see a doctor who said there was vascular proliferation, but it wasn't a concern. I noticed that after using eye drops, the vascular proliferation appeared less prominent. However, after wear...


Dr. Gao Pilin Reply:
Hello: Whether there will be hyperplasia needs to be continuously monitored, and it is still possible to wear contact lenses with regular follow-ups. If the condition remains stable, there is no issue. However, if it increases, the wearing time should be reduced. At the E-Hospita...

[Read More] Understanding Vascular Proliferation in Eye Health: Concerns and Care


Understanding Vascular Proliferation in the Eye: Can You Wear Contacts?

Vascular proliferation I noticed a blood vessel in the lower right part of my right eye's cornea that hasn't gone away. I consulted an ophthalmologist who said it is a case of vascular proliferation, but he mentioned it doesn't have any impact. Can I continue weari...


Dr. Gao Pilin Reply:
Hello: Vascular proliferation of the conjunctiva may be a result of inflammation and could gradually resolve, but it may also persist. If there is no inflammation, wearing contact lenses is permissible. However, if wearing contact lenses causes discomfort or leads to increased va...

[Read More] Understanding Vascular Proliferation in the Eye: Can You Wear Contacts?


Can You Wear Contact Lenses for Myopia and Glasses for Astigmatism?

Contact lenses and astigmatism glasses? Is it possible to wear myopia contact lenses during the week and then wear astigmatism glasses when I need to focus on tasks? Does astigmatism increase with age or due to eye usage habits? Thank you for taking the time to answer.


Dr. Gao Pilin Reply:
Hello, Wei: It is possible to wear them this way. Astigmatism may be related to visual habits; if one frequently squints, the prescription may increase. As one ages, the axis of astigmatism tends to change, typically being closer to horizontal in youth and becoming vertical in ol...

[Read More] Can You Wear Contact Lenses for Myopia and Glasses for Astigmatism?


Can Mild Corneal Vascularization from Contact Lenses Be Reversed?

Is mild vascular proliferation in the perineal area reversible? Hello, doctor. I have been wearing colored contact lenses for a long time, which has caused corneal hypoxia and epithelial damage. The clinic physician mentioned that there is early vascularization at the limbal regi...


Dr. Gao Pilin Reply:
Hello Ms. Huang: The neovascularization may persist but can also regress. Therefore, at times, it may regress, and there may be no blood within the vessels, making it undetectable. In Taiwan, at Puzi Hospital's ophthalmology department: Monday, Tuesday, Thursday, and Friday ...

[Read More] Can Mild Corneal Vascularization from Contact Lenses Be Reversed?


Choosing the Right Lenses to Prevent Light Refraction Issues

Choosing Glasses to Prevent Light Refraction Hello, doctor. I have a question to ask you. At work, I face a window, and every noon, sunlight refracts through the windows of passing vehicles, making my eyes uncomfortable. Wearing sunglasses at work is not really an option (haha......


Dr. Gao Pilin Reply:
Hello, every day: Some photochromic lenses require ultraviolet light to change color; if you are indoors, they will not change color because there is no UV exposure. If this is a concern, you might consider lighter-colored lenses or polarized lenses. Alcohol-based hand sanitizers...

[Read More] Choosing the Right Lenses to Prevent Light Refraction Issues


Choosing the Right Base Curve for Soft Contact Lenses: Expert Advice

Issues with purchasing contact lenses based on corneal curvature? Hello Doctor, I previously fitted with rigid gas permeable contact lenses, and the base curve of the lenses was 8.15. Now I want to purchase soft disposable contact lenses, but the available options are generally 8...


Dr. Gao Pilin Reply:
Hello Mr. Hong: The smaller the base curve, the more curvature the lens has. A more curved lens tends to move less on the eyeball, fitting tightly and causing discomfort, while also impairing the exchange of moisture and oxygen. Conversely, a larger base curve results in a flatte...

[Read More] Choosing the Right Base Curve for Soft Contact Lenses: Expert Advice


Understanding Myopia Progression and Contact Lens Clarity Issues

Myopia progression makes it difficult to see clearly with contact lenses? Hello Doctor: I am 23 years old. I have been experiencing recurrent eye inflammation since July 2019, which occurs whenever I wear contact lenses. This has been happening repeatedly for a while. I stopped w...


Dr. Gao Pilin Reply:
Hello Krystal: Please have your doctor prescribe contact lenses for you, and remember to include the astigmatism correction of 2 diopters; otherwise, your vision may not be clear. If you still experience these issues, you may not be able to wear contact lenses. You might consider...

[Read More] Understanding Myopia Progression and Contact Lens Clarity Issues


Understanding Acanthamoeba Keratitis: Risks and Precautions

Acanthamoeba keratitis Hello, Doctor Gao. Yesterday, I forgot to remove my soft contact lenses before taking a shower. After getting my head wet (with my eyes closed at the time), I immediately took out the lenses, but they were tightly adhered. I was able to remove them successf...


Dr. Gao Pilin Reply:
Hello: This situation should not lead to an infection, so please rest assured. The Ophthalmology Department of Puzi Hospital in Taiwan is open on Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, and on Wednesday afternoons from 2:00 PM to 4:30 PM. Online r...

[Read More] Understanding Acanthamoeba Keratitis: Risks and Precautions


Understanding the Worsening of Floaters: Symptoms and Concerns Explained

Worsening of floaters? Dear Dr. Gao, I have congenital myopia. During a check-up in first grade, my left eye was diagnosed with -500 diopters of myopia, while my right eye was normal. However, due to long-term reliance on my right eye, it has now progressed to -1300 diopters, an...


Dr. Gao Pilin Reply:
Hello Sabina: 1. These are all phenomena associated with floaters. 2. This is also a manifestation of vitreous degeneration. 3. This may also be a sign of vitreous degeneration; however, it can also occur before a migraine attack. 4. No, it will not. 5. Vitreous opacities are a r...

[Read More] Understanding the Worsening of Floaters: Symptoms and Concerns Explained


Understanding Pupil Granules: Eye Discomfort with Contact Lenses

There are particles in the pupil? Hello, I have been wearing rigid gas permeable contact lenses during the day for over two years. Recently, I have been feeling the urge to rub my eyes after wearing them for a while, and there is some discomfort when I touch my right eye. After r...


Dr. Gao Pilin Reply:
Hello: First, it is important to determine whether the lump is located under the eyelid, as lumps that can be felt are usually chalazia. Granules should not typically appear on the pupil; if they do, it is advisable to seek medical attention promptly to check for any underlying c...

[Read More] Understanding Pupil Granules: Eye Discomfort with Contact Lenses


Understanding Monocular Strabismus: Post-Surgery Vision Concerns

Monocular strabismus Hello doctor, I have had strabismus and amblyopia in one eye since childhood, with visual acuity of 0.2 in one eye and 0.9 in the other. I am nearsighted with a prescription of -2.50 diopters, and I only wear contact lenses in one eye (since I can't see ...


Dr. Gao Pilin Reply:
Hello Olivia: If you can't see much difference when wearing them, then the result is the same as not wearing them. If there is a tendency for misalignment, it will still occur regardless of wearing a monocular lens. However, since you have already undergone strabismus surger...

[Read More] Understanding Monocular Strabismus: Post-Surgery Vision Concerns


Recovery Issues After Corneal Abrasion: When to Seek Further Treatment

Recovery issues after corneal abrasion? Hello, Doctor Gao. A few months ago, I had a corneal abrasion in my right eye. After visiting the doctor, I rested for 2-3 days and it healed. However, over the past few months, I occasionally wake up in the morning with pain due to re-inju...


Dr. Gao Pilin Reply:
Hello: After corneal recovery, there may still be some temporary blurriness. If there is no pain, it is likely that the epithelium has healed. You can rest more and use appropriate eye drops or ointments. However, if you experience worsening vision or pain, you should return for ...

[Read More] Recovery Issues After Corneal Abrasion: When to Seek Further 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


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