Understanding Contact Lens Water Content: What You Need to Know
Contact lenses Hello Dr. Huang, Could you please tell me what the water content of contact lenses is? Some have a water content in the thirties, while others are close to forty or fifty. Is a higher water content better or worse? For individuals with drier eyes, which type of l...
Dr. Huang Bozhen Reply:
Subject: Contact Lenses. Explanation: The higher the water content, the thicker the lens, and while higher water content allows for greater oxygen permeability, thicker lenses are less conducive to oxygen transmission. Therefore, the amount of water content cannot solely determin...[Read More] Understanding Contact Lens Water Content: What You Need to Know
Understanding Vascular Proliferation from Contact Lens Use: Risks and Prevention
Vascular proliferation? Hello, Doctor! I recently read an article where a friend mentioned that he developed neovascularization around his contact lenses due to insufficient oxygen supply to his eyes. His ophthalmologist told him that the neovascularization was too severe, and he...
Dr. Huang Bozhen Reply:
Subject: Corneal Neovascularization. Explanation: Contact lenses can cause friction on the cornea and lead to corneal hypoxia, both of which can result in corneal neovascularization. If the neovascularization is severe enough to extend close to the pupil, contact lens wear should...[Read More] Understanding Vascular Proliferation from Contact Lens Use: Risks and Prevention
Are Contact Lenses Suitable for Growing Middle School Students?
Contact lenses I am a developing middle school student and would like to ask if it is suitable for me to wear contact lenses during my growth period?
Dr. Huang Bozhen Reply:
Subject: Myopia. Explanation: As long as you take good care of your contact lenses, you can certainly wear them, which means maintaining proper cleaning of the lenses and having regular follow-up examinations with your ophthalmologist.[Read More] Are Contact Lenses Suitable for Growing Middle School Students?
Exploring Dry Eye Treatment Options and LASIK Risks for Patients
Dry eye syndrome and Laisk? The doctor diagnosed me with dry eye syndrome but only prescribed lubricating eye drops. Are there more aggressive treatment options available? Can dry eye syndrome be treated with LASIK? What risks should I consider? Although I am nearly forty and the...
Dr. Huang Bozhen Reply:
Subject: Dry Eye Syndrome. Description: Dry eye syndrome is generally treated with artificial tears or ointments. In more severe cases, punctal occlusion may be performed, and in the most severe cases, eyelid suturing may be necessary. Regarding LASIK, there is a risk of damaging...[Read More] Exploring Dry Eye Treatment Options and LASIK Risks for Patients
Understanding Corneal Ulcers: Causes, Symptoms, and Treatment Options
Blurred vision? Hello Doctor: My condition started around mid-December when I experienced sharp pain and tearing in my right eye. I later visited an ophthalmologist who diagnosed me with a corneal ulcer. The doctor prescribed eye drops for treatment, and the pain subsided. Howeve...
Dr. Huang Bozhen Reply:
Subject: Corneal Ulcer. Explanation: A 24-year-old developed a corneal ulcer, likely caused by wearing contact lenses. If treated early, corneal ulcers can prevent the formation of corneal scars; however, most patients will have some degree of scarring upon healing. If the scar i...[Read More] Understanding Corneal Ulcers: Causes, Symptoms, and Treatment Options
Is It Safe to Wear Contact Lenses After Strabismus Surgery?
Is it suitable to wear contact lenses after strabismus correction surgery? Three years ago, I underwent surgery to correct my strabismus. Recently, I am considering wearing contact lenses but I'm unsure if it's suitable for me. I have a high degree of myopia and also as...
Dr. Huang Bozhen Reply:
You can consult a physician or a qualified optometrist.[Read More] Is It Safe to Wear Contact Lenses After Strabismus Surgery?
Managing Corneal Thickening: Solutions for Discomfort and Growth
Cornea Is there a way to stop corneal thickening and proliferation? I have been experiencing a foreign body sensation in my eyes, and the doctor mentioned that it is due to thickening of the cornea and conjunctiva. He said that once my thyroid function returns to normal, I can re...
Dr. Huang Bozhen Reply:
Subject: SLK or SLKC Description: The characteristic feature is the proliferative thickening of the conjunctiva in the upper half of the eyeball, accompanied by blood vessels, leading to a sensation of foreign body, photophobia, and tearing. Treatment options include artificial ...[Read More] Managing Corneal Thickening: Solutions for Discomfort and Growth
Essential Pre-Surgery Tips for Laser Eye Surgery Candidates
Preoperative Considerations for Laser Surgery Doctor: Hello! I have been wearing soft contact lenses for about 5 to 6 years. I am considering undergoing laser surgery soon (my current prescription is approximately -5.00 diopters). I have a few questions: 1. Should I avoid wearing...
Dr. Huang Bozhen Reply:
Subject: Explanation of Laser Surgery: Please discontinue wearing contact lenses for fourteen days prior to the procedure. Common side effects include glare, while retinal detachment is rare. If the surgery goes smoothly, it should not affect your ability to conceive. Please cons...[Read More] Essential Pre-Surgery Tips for Laser Eye Surgery Candidates
Understanding Allergic Conjunctivitis: Treatment and Contact Lens Use
Allergic conjunctivitis Is allergic conjunctivitis incurable? Can I wear contact lenses while using eye drops for treatment? When the eyeball moves towards the outer corner, and the conjunctiva in that area appears wrinkled, does it mean it hasn't healed yet?
Dr. Huang Bozhen Reply:
Subject: Allergic Conjunctivitis. Explanation: 1. If it is confirmed that the allergy is caused by soft contact lenses, they should not be worn during the treatment period, and after recovery, hard contact lenses should be used instead. 2. Whether or not contact lenses are worn, ...[Read More] Understanding Allergic Conjunctivitis: Treatment and Contact Lens Use
Nighttime Rigid Contact Lenses: A Solution for Myopia Control?
Myopia Hello Doctor: Recently, I heard about a method for correcting myopia—wearing rigid gas permeable contact lenses at night, which can slow down the progression of myopia. What is your opinion on this? What are the advantages and disadvantages of wearing them? Thank you! Rita
Dr. Huang Bozhen Reply:
Subject: Rigid Gas Permeable Contact Lenses for Myopia Management. Description: The principle behind this method relies on rigid gas permeable contact lenses flattening the corneal curvature, which exerts significant pressure on the cornea and can be quite painful. Additionally...[Read More] Nighttime Rigid Contact Lenses: A Solution for Myopia Control?
Understanding Protruding Eyes: Causes, Symptoms, and Contact Lens Concerns
Protrusion of the eyeball? I don't know when it started, but I feel that my eyeballs are more prominent than others. I'm not sure if it has anything to do with wearing contact lenses. Additionally, my skin is very sensitive. Could my eyeballs also be sensitive? Sometime...
Dr. Huang Bozhen Reply:
Subject: Protruding Eyes Explanation: Protruding eyes are most commonly associated with high myopia and should not be related to the use of contact lenses. Additionally, patients with hyperthyroidism may also experience protruding eyes. Skin sensitivity can lead to itching, which...[Read More] Understanding Protruding Eyes: Causes, Symptoms, and Contact Lens Concerns
Can You Wear Contact Lenses with Floaters? Understanding the Risks
Floaters and the Retina Can a person with floaters wear contact lenses? Is there a relationship between floaters, retinal detachment, and wearing contact lenses? Thank you.
Dr. Huang Bozhen Reply:
Subject: Explanation of Floaters: Wearing contact lenses on the corneal surface often leads to forgetting their presence, which is more associated with corneal ulcers rather than floaters or retinal detachment. Additionally, if there is a sudden increase in floaters, especially w...[Read More] Can You Wear Contact Lenses with Floaters? Understanding the Risks
Effective Tips to Prevent Eye Inflammation for Contact Lens Users
How to prevent inflammation? I would like to ask why my eyes frequently become inflamed (I wear contact lenses). Sometimes they itch, and if I scratch them, my eyelids become swollen, the whites of my eyes turn red with blood vessels, and my eyes also become very red. Additionall...
Dr. Huang Bozhen Reply:
Subject: How to Prevent Inflammation. Explanation: If the inflammation is simple, meaning it is not associated with contact lenses, it may still cause inflammation and itching, which can be treated with medication. However, if it is related to contact lenses, it is usually due to...[Read More] Effective Tips to Prevent Eye Inflammation for Contact Lens Users
Laser Eye Surgery: Risks for Soft Contact Lens Wearers
Laser surgery I currently have over 600 degrees of myopia and am considering laser surgery. However, I've heard that people who wear soft contact lenses may not be suitable candidates and could experience complications.
Dr. Huang Bozhen Reply:
Subject: Laser Surgery. Explanation: Long-term use of contact lenses may lead to corneal neovascularization. If there are too many blood vessels, bleeding during the surgery could affect the procedure. If there is no neovascularization, the laser surgery should proceed smoothly.[Read More] Laser Eye Surgery: Risks for Soft Contact Lens Wearers
Can You Wear Contact Lenses After Radial Keratotomy Surgery?
Can a person who has undergone radial keratotomy wear contact lenses? I want to wear contact lenses, but I remember the doctor saying that after this surgery, I shouldn't wear contact lenses. Is it true that I can't wear them? Thank you.
Dr. Zhang Yuanze Reply:
Hello Yiru: After undergoing radial keratotomy, the curvature of the cornea becomes flatter, making it difficult for contact lenses to adhere to the cornea. Therefore, it is not recommended to wear contact lenses.[Read More] Can You Wear Contact Lenses After Radial Keratotomy Surgery?
Can Oxygen Deprivation from Contact Lenses Be Reversed?
Ocular hypoxia Can my eyes recover from hypoxia caused by wearing contact lenses? Every time I wear contact lenses, my left eye develops red streaks and feels slightly painful. Two years ago, I had an examination, and the doctor said it was due to hypoxia, so I recently got a new...
Dr. Huang Bozhen Reply:
Replied on the afternoon of November 2nd.[Read More] Can Oxygen Deprivation from Contact Lenses Be Reversed?
Understanding Eye Health Issues Caused by Contact Lens Wear
Diseases Caused by Wearing Contact Lenses I used to wear contact lenses when I was in the ninth grade. After about one or two months, I noticed that my eyes were painful, red, swollen, and filled with blood vessels. I consulted an ophthalmologist, who told me that it was due to l...
Dr. Huang Bozhen Reply:
Subject: Response to Hypoxia Caused by Contact Lenses (C.L.) Explanation: Contact lenses can cause redness and pain in the eyes, which may be due to improper fitting—either too loose or too tight. When properly fitted, soft contact lenses should have a slight movement of about 1...[Read More] Understanding Eye Health Issues Caused by Contact Lens Wear
Managing Myopia: Concerns and Solutions for High Prescription Glasses
Myopia is quite severe? I have been nearsighted for a long time. Every time I get new glasses, my prescription keeps increasing. It's really frustrating. I'm a bit scared because my right eye has already reached 925 degrees. If this continues, will I go blind or develop...
Dr. Zhang Yuanze Reply:
Generally speaking, after entering college or in your twenties, myopia typically does not progress further, unless there is frequent near work or the presence of pathological myopia that continues to worsen. Of course, if myopia is severe, such as exceeding -6.00 diopters, it is ...[Read More] Managing Myopia: Concerns and Solutions for High Prescription Glasses
Understanding Yellowing in the Whites of Your Eyes and Contact Lens Care
There is a slight yellowing in the sclera beneath the eyes? I recently noticed a slight yellowish tint in the sclera (the white part of my eye) beneath my eyes, and I'm not sure what it could be. I'm a bit worried about it. Additionally, could you please tell me if it&#...
Dr. Huang Bozhen Reply:
Conjunctival yellowing may be caused by chronic conjunctivitis, resulting from long-term use of eye drops leading to pigment deposition. Additionally, yellowing could be a sign of jaundice, which can cause fatigue. It is recommended to have a blood test to check liver function. F...[Read More] Understanding Yellowing in the Whites of Your Eyes and Contact Lens Care
Treatment Options for Severe Hyperopia in Adults
Is there a treatment method for myopia? Hello, Doctor: I would like to ask a question. My mother has developed a high degree of hyperopia due to neglect from family during her childhood. When she went to the clinic for an examination, the results indicated that her hyperopia is s...
Dr. Zhang Yuanze Reply:
Chan: Hello, based on your description, your mother has hyperopia "over several thousand diopters." This condition can easily lead to amblyopia, which means her vision cannot reach the standard of normal individuals. Additionally, wearing glasses with such a high prescr...[Read More] Treatment Options for Severe Hyperopia in Adults