Contact lenses, Ophthalmology FAQ - Page 9

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Understanding Eye Symptoms: Glare, Floaters, and Vision Concerns

Aperture, glare, floaters? 1. After watching videos about macular degeneration on YouTube, I became very afraid that I might go blind. I have high myopia (over -900 diopters with astigmatism in my left eye and over -800 diopters with astigmatism in my right eye). I usually don&#x...


Dr. Liang Ce Reply:
It is advisable for you to discuss the above situation further with your attending physician. Thank you, and wishing you good health!

[Read More] Understanding Eye Symptoms: Glare, Floaters, and Vision Concerns


Understanding Macular Degeneration: Symptoms and Eye Exam Insights

Macular degeneration Hello Doctor, I sent a question yesterday regarding my right eye, which has astigmatism of 600 degrees. When I look at the Amsler grid with my glasses, the lines appear slightly distorted, but not very noticeably, and everything else looks normal. Today, I wo...


Dr. Gao Pilin Reply:
Hello, It is possible that the lenses are causing the issue, so it is best to wear appropriate glasses to see if the phenomenon persists. Generally, an ophthalmologist can perform a fundus examination, but scanning the macula requires a more specialized eye clinic or a hospital...

[Read More] Understanding Macular Degeneration: Symptoms and Eye Exam Insights


Understanding Flickering Shadows in Your Right Eye: Causes and Solutions

Flashing black shadows in the corner of the right eye? In the past week, I have been experiencing frequent flickering black spots (or possibly flashes) in the upper right area of my right eye. It resembles the flickering light effect caused by ceiling fans in old buildings. Initi...


Dr. He Jianxian Reply:
Your description resembles photopsia, which is caused by traction on the retina. This phenomenon will disappear once the traction on the retina ceases. If you have already undergone a dilated fundus examination, you can generally feel reassured. However, if you experience an incr...

[Read More] Understanding Flickering Shadows in Your Right Eye: Causes and Solutions


Understanding Vision Problems: Myopia and Astigmatism Explained

Vision problems Hello doctor, my left eye has myopia of about -700 degrees, and my right eye has high astigmatism of -600 degrees. I usually wear contact lenses for convenience, but they are just regular myopia lenses for -700 degrees, not toric lenses for astigmatism. When I wea...


Dr. Gao Pilin Reply:
Hello, This phenomenon corresponds to your prescription. Myopia and astigmatism are like this. As for your right eye, if vision remains poor even after wearing glasses with the appropriate prescription, it may be due to amblyopia. If the right eye has not been able to see clear...

[Read More] Understanding Vision Problems: Myopia and Astigmatism Explained


Understanding Eye Degeneration: Symptoms and Solutions for Myopia

Ocular degeneration I have been experiencing floaters in my eyes for some time, and I have high myopia with mild astigmatism, approximately 600-700 degrees. My eyes are often dry, so I cannot wear contact lenses for long periods; I only wear them when necessary, and most of the t...


Dr. He Jianxian Reply:
Based on your description, you are likely experiencing some early signs of presbyopia, which is related to your prolonged use of computers and electronic devices. Regarding your vision significantly deteriorating in low-light conditions, this is likely due to pupil dilation in di...

[Read More] Understanding Eye Degeneration: Symptoms and Solutions for Myopia


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


Unexpected Vision Changes After Cataract Surgery: What to Do?

The visual acuity after cataract surgery did not meet expectations! Hello, doctor. I just completed cataract surgery on my right eye last month. Before the surgery, I told the doctor that I wanted to maintain a prescription of -2.00 diopters for computer use and reading, but the ...


Dr. He Jianxian Reply:
In general, replacing the lens is possible, but it requires specialized instruments. The risks are relatively low; however, the replacement should not be done too long after the previous surgery, as the old lens may become difficult to remove. Dr. He Jianxian, Department of Ophth...

[Read More] Unexpected Vision Changes After Cataract Surgery: What to Do?


Understanding Corneal Ulcers: Causes, Treatments, and Immune Factors

Corneal ulcer-related issues? Hello Doctor, I would like to inquire about corneal ulcers: I started experiencing corneal ulcers about three years ago (treatment lasted about a month), and I had a second occurrence (which healed quickly). Recently, I have had a third occurrence (c...


Dr. Cai Wenyuan Reply:
In such cases, it is advisable to reduce the duration of wearing contact lenses.

[Read More] Understanding Corneal Ulcers: Causes, Treatments, and Immune Factors


Understanding Visual Disparity Issues After Cataract Surgery

Cataract-related disparity issues? Hello, Doctor Gao. I need to undergo surgery for cataracts caused by macular folds, and my left eye has a prescription of -550 degrees, which does not require cataract replacement. Thank you for your previous response. I later consulted with my ...


Dr. Gao Pilin Reply:
Hello Anne: If your vision returns to 60-70%, there may be issues with refractive error causing discomfort. That is why the doctor has given you this advice to avoid such problems. Online answers can only serve as a reference; it is essential to seek medical attention at a health...

[Read More] Understanding Visual Disparity Issues After Cataract Surgery


Understanding Eye Abnormalities: When to See an Eye Specialist

Visual abnormalities Hello, doctor. Today, when I went to get my glasses fitted, the staff assisting with the refraction indicated that there is an abnormal condition in my right eye. I have a history of myopia in both eyes, and I have also developed astigmatism. Over the past fe...


Dr. Gao Pilin Reply:
Hello, Zhi: Your right eye has difficulty seeing things up close, while distant objects appear clearer than with your left eye. This may indicate hyperopia, even though you previously wore glasses for myopia. However, the current prescription is quite low. I recommend undergoing ...

[Read More] Understanding Eye Abnormalities: When to See an Eye Specialist


Understanding Eye Health: Common Concerns and Symptoms Explained

Vision problems Hello, Doctor. I have three questions I would like to ask you. 1. During a dilated eye exam last June, I noticed a small area in the lower left and directly below my right eye that appeared darker (deep red). However, several months of subsequent dilations and v...


Dr. Gao Pilin Reply:
Hello Wei: 1. Based on the physician's and your descriptions, there should be no issues. Regular follow-ups are sufficient. 2. First, correct both eyes to achieve emmetropia, then check for any color disparity. If there is none, it is likely due to refractive error. Other...

[Read More] Understanding Eye Health: Common Concerns and Symptoms Explained


Understanding Eye Redness and Vascular Changes After Inflammation

Eye redness, vascular proliferation? Hello! Dr. Gao, I would like to ask you a question. Last year, I experienced recurrent eye inflammation and elevated intraocular pressure, and I visited several ophthalmology clinics over the course of a month. During that month, I used a sign...


Dr. Gao Pilin Reply:
Hello Mr. Zhou: The redness in your eyes is primarily related to the dilation of blood vessels due to irritation, which is a normal phenomenon. Once the irritation is eliminated or alleviated, the redness will naturally subside. A slight increase in blood vessels is not a concern...

[Read More] Understanding Eye Redness and Vascular Changes After Inflammation


Understanding Vascular Proliferation in the Eye: Causes and Concerns

Vascular proliferation Hello doctor, I haven't been wearing contact lenses recently, but I've noticed that the blood vessels in my right eye are quite prominent. Using a vasoconstrictor hasn't helped, and it feels like there is vascular proliferation, but it's...


Dr. Gao Pilin Reply:
Hello: A slight vascular proliferation is not a concern, and you can still wear contact lenses. However, it is important to have regular check-ups to monitor for any other issues. Information found online should only be used as a reference; if necessary, you should seek medical a...

[Read More] Understanding Vascular Proliferation in the Eye: Causes and Concerns


Redness Around the Pupil: Managing Contact Lens Discomfort

Bloodshot eyes with redness around the black pupil? Hello, Dr. Gao! I have a 10-year history of wearing contact lenses, but due to the pandemic, I have significantly reduced their use. Last October and November, I experienced recurrent eye inflammation and followed my doctor'...


Dr. Gao Pilin Reply:
Hello Mr. Lin: The redness in your eyes is likely unrelated to your blood pressure; it is primarily due to the dilation of blood vessels in response to irritation, which is a normal phenomenon. Once the irritation subsides, the redness will naturally resolve. When removing contac...

[Read More] Redness Around the Pupil: Managing Contact Lens Discomfort


Understanding Eye Redness: Causes and Solutions for Healthy Vision

Redness around the sclera, with bloodshot eyes? Dear Dr. Gao, Hello! I apologize for bothering you again! I'm sorry... Previously, I inquired about the redness in my eyes. Since the pandemic, I haven't been wearing contact lenses, and there has been significant improve...


Dr. Gao Pilin Reply:
Hello Mr. Lin: The redness in your eyes is likely not related to your blood pressure; it is primarily due to irritation causing the blood vessels to dilate, which is a normal phenomenon. Once the irritation is alleviated, the redness will naturally subside. When removing contact ...

[Read More] Understanding Eye Redness: Causes and Solutions for Healthy Vision


Should You Rinse Contact Lenses with Saline Before Wearing?

Contact lenses Hello, doctor: I would like to ask if saline solution should be used to rinse contact lenses before putting them in the eyes.


Dr. Gao Pilin Reply:
Hello, Xixi: My suggestion is to rinse it out for the best results. Online answers can only serve as a reference; if necessary, it is important to seek medical attention at a healthcare facility. I hope to have the opportunity to assist you. Best regards, Gao Pilin.

[Read More] Should You Rinse Contact Lenses with Saline Before Wearing?


Can I Use Preservative-Free Contact Lens Solution for Rinsing?

Contact lenses I would like to ask the doctor, when taking contact lenses out of the solution, is it acceptable to rinse them with a preservative-free saline solution that contains no mercury before putting them in the eyes? Could the preservatives harm the eyes, or should I use ...


Dr. Gao Pilin Reply:
Hello YT: Preservative-free, mercury-free contact lens cleaning solution can be used; however, there is a certain shelf life after opening the bottle, and it should not be used beyond that period. Online answers can only serve as a reference; if necessary, it is important to seek...

[Read More] Can I Use Preservative-Free Contact Lens Solution for Rinsing?


Should I Wear Old Glasses or Contact Lenses for My Vision?

Insufficient prescription for glasses? Hello, since my glasses are broken, I found my old pair, but they are only -3.75 diopters, while I currently need -4.75 diopters. Should I wear the old glasses (-3.75) or contact lenses instead? (I know it's better not to wear contact l...


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

[Read More] Should I Wear Old Glasses or Contact Lenses for My Vision?


Understanding Diplopia: Treatment Options and Causes Explained

Treatment for Diplopia (Double Vision) Hello Dr. Liang, I would like to ask you about whether individuals with diplopia can wear contact lenses to address the issue of mismatched focal distances between old glasses and the current condition of both eyes. What type of surgery coul...


Dr. Liang Ce Reply:
It is recommended 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] Understanding Diplopia: Treatment Options and Causes Explained


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


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