Understanding Red Veins in the Eye: Causes and Solutions
There are blood vessels in the eyes? Hello, doctor! I have worn contact lenses about five times in the past three weeks. However, in the last week or two, I have been hesitant to wear them again. I have noticed a red line of blood vessels on the sclera of my left eye, extending f...
Dr. Feng Jiefan Reply:
Hello: Contact lenses can cause corneal hypoxia and recurrent corneal neovascularization; however, these blood vessels are very small and not easily visible to the naked eye, and they typically develop with prolonged wear. The blood vessels on the white blood cells are likely due...[Read More] Understanding Red Veins in the Eye: Causes and Solutions
Understanding Chronic Conjunctivitis: Causes, Treatment, and Recovery
Chronic conjunctivitis Hello, about four months ago, my eyes were red, swollen, and painful. After seeing a doctor, he said there was "skin breakdown" and covered my eye with a bandage. However, after some time, my eye still felt somewhat uncomfortable, so I went to ano...
Dr. Feng Jiefan Reply:
Hello: Corneal epithelial erosion refers to the erosion of the corneal epithelium, which typically results in redness and significant pain in the eye. The use of a bandage contact lens is a reasonable treatment option that can help reduce discomfort. Generally, most epithelial er...[Read More] Understanding Chronic Conjunctivitis: Causes, Treatment, and Recovery
Can You Wear Colored Contact Lenses After LASIK Surgery?
Can I wear colored contact lenses after LASIK surgery? Hello Dr. Tsai: I underwent laser surgery three years ago, and my condition is currently good. Is my cornea more fragile than that of an average person? Am I able to wear non-prescription colored contact lenses? If I can wear...
Dr. Cai Jingyao Reply:
After laser surgery, changes in corneal curvature may make it less suitable to wear standard contact lenses with colored tints, as they may not accommodate the alterations in the cornea post-surgery.[Read More] Can You Wear Colored Contact Lenses After LASIK Surgery?
Understanding Amblyopia and Corneal Damage: A 20-Year-Old's Vision Dilemma
Amblyopia or corneal damage? My brother is 20 years old and recently discovered that he has blurred vision in his right eye. He used to wear disposable contact lenses but wore them incorrectly, often leaving them in until his eyes felt uncomfortable, which could have lasted over ...
Dr. Ke Meilan Reply:
Hello: First, is your information absolutely accurate? Do you have any past ophthalmology records? Please have your brother visit the ophthalmology department at Zhu Medical Center for further discussion. Sincerely, Dr. Mei-Lan Ke, Head of Ophthalmology.[Read More] Understanding Amblyopia and Corneal Damage: A 20-Year-Old's Vision Dilemma
Is It Normal for My Baby to Have Eyelashes in Her Eyes?
A foreign object has entered the eye..? My daughter is currently eight months old, and she often has eyelashes that seem to get stuck in her eyes. She doesn't appear to feel anything, which is surprising because adults would definitely feel discomfort or irritation in such a...
Dr. Liu Jingxian Reply:
Hello, Miss: The condition described above is referred to as "lower eyelid dermatochalasis with eyelash entropion," which is commonly seen in children of Asian descent. This condition typically does not present with severe symptoms (a small number of children may show s...[Read More] Is It Normal for My Baby to Have Eyelashes in Her Eyes?
Understanding Astigmatism in Children: Causes, Effects, and Treatment Options
Astigmatism in children can lead to amblyopia? 1) Frequent rubbing of the eyes, especially if it feels itchy, can potentially worsen astigmatism. Conditions that may exacerbate astigmatism include eye strain, improper vision habits, or underlying eye conditions. Astigmatism can d...
Dr. Liu Jingxian Reply:
Hello, Miss: "Amblyopia" refers to a condition where, after the normal developmental period of the eyes, one or both eyes cannot achieve "best-corrected visual acuity" of 0.8 or higher with lenses, despite the absence of any pathological changes in the ocular ...[Read More] Understanding Astigmatism in Children: Causes, Effects, and Treatment Options
Morning Eye Pain: Causes, Symptoms, and Effective Relief Strategies
Waking up in the morning and experiencing pain as soon as you open your eyes? Hello, three years ago, I started experiencing eye pain due to my extremely busy and overworked schedule. Initially, the pain would occur in the afternoon when I was more fatigued, and it was very inten...
Dr. Feng Jiefan Reply:
Hello, based on your description, the cause of your eye pain and discomfort is likely corneal erosion. There are many reasons that can lead to corneal erosion, and dry eye syndrome is one of them. Due to insufficient tear production, corneal cells can dry out and die, resulting i...[Read More] Morning Eye Pain: Causes, Symptoms, and Effective Relief Strategies
Understanding Blurry Vision: Causes and Solutions for Eye Health
Blurred vision On my way to work, everything was fine while I was driving, but as I walked into the office, I started to notice that my vision became increasingly hazy. I initially thought it was due to dirty contact lenses, but after I took off my glasses, I was surprised to fin...
Dr. Cai Jingyao Reply:
Your issue seems to resemble corneal edema, which may be caused by wearing contact lenses. It would be safer to consult an ophthalmologist.[Read More] Understanding Blurry Vision: Causes and Solutions for Eye Health
Understanding Myopia Measurements: Hard vs. Soft Contact Lenses
Measurement of Myopia Degree I would like to ask a question... Today I went to get my glasses prescription. I visited two different places, and since I wear rigid gas permeable contact lenses, the first place advised me to temporarily switch to daily disposable lenses and come ba...
Dr. Zhang Yanrui Reply:
Rigid contact lenses can affect the curvature of the cornea due to their compressive effect; however, improper use of soft contact lenses can lead to corneal edema, which also impacts the accuracy of measurements. Wearing rigid lenses is less likely to cause neovascularization be...[Read More] Understanding Myopia Measurements: Hard vs. Soft Contact Lenses
Can You Ever Wear Contact Lenses Again After Corneal Injury?
Is it true that once a corneal abrasion has healed, one can never wear contact lenses again for life? Hello Dr. Ke, I have a patient with amblyopia in both eyes who has been wearing contact lenses for about 20 years. However, two months ago, while riding a bike, a sand particle ...
Dr. Ke Meilan Reply:
Hello: 1. It is possible that wearing contact lenses for an extended period has affected the health of your epithelial cells. It is advisable to take a break from wearing them for a while before resuming. 2. Whether you can wear them for life depends on the condition of your corn...[Read More] Can You Ever Wear Contact Lenses Again After Corneal Injury?
Understanding Eyelid Bumps: Causes and Safe Removal of Eyelashes
My eye corner feels strange? Today, while looking in the mirror, I suddenly noticed a small bump resembling a blister at the corner of my right eye (on the red tissue). Prior to this, after taking a shower, I felt a stinging sensation in my eye due to an eyelash irritating it, an...
Dr. Wang Zhangji Reply:
Hello: It is possible that the eyelashes in your eye, along with the irritation caused by the eyes, have led to conjunctival allergy. It is best to have it checked to confirm. You can carefully try using a clean, damp cotton swab, but be careful not to touch the cornea. Sincerely...[Read More] Understanding Eyelid Bumps: Causes and Safe Removal of Eyelashes
Impact of Multiple Corneal Procedures on Long-Term Eye Health
Repeated lifting or suturing of the cornea can potentially cause harm to the eyes in the long term? Hello Dr. Ke: Five years ago, I underwent refractive surgery on my eyes, but my vision has not been restored. The doctor performed several additional procedures, including lifting ...
Dr. Ke Meilan Reply:
Hello: If done carefully and cautiously, the potential harm is likely minimal. Sincerely, Dr. Komeilan, Ophthalmologist.[Read More] Impact of Multiple Corneal Procedures on Long-Term Eye Health
Understanding Dry Eye Syndrome: Symptoms and Natural Recovery Options
I seem to have dry eye syndrome? 1. I used to use the computer quite intensively, and I had a CRT monitor. About a year and a half ago, I started feeling that my eyes were dry, and I would blink frequently or blink very hard, which looks quite funny. Could this be dry eye syndrom...
Dr. Feng Jiefan Reply:
Hello, the symptoms of dry eye syndrome include subjective feelings of dryness, photophobia, pain, as well as objective findings such as conjunctival redness and corneal erosion. If you experience similar symptoms, you should see an ophthalmologist for a thorough examination. In ...[Read More] Understanding Dry Eye Syndrome: Symptoms and Natural Recovery Options
Can Contact Lens Solution Replace Saline for Eye Care?
Can contact lens cleaning solution be used as a substitute for saline solution? Hello Doctor: I live abroad, but in recent years, multi-purpose contact lens solutions have become popular. In the city where I live, I can't find saline solution anymore, and the store staff tol...
Dr. Cai Jingyao Reply:
Hello Doctor: I live abroad, but in recent years, multi-purpose contact lens solutions have become popular. In my city, I can't find saline solution anymore, and the store staff told me that no one uses saline solution to rinse contact lenses anymore; one bottle of contact l...[Read More] Can Contact Lens Solution Replace Saline for Eye Care?
Understanding Protruding Eyes: Causes and Solutions for Eye Health
Protruding eyes Is it possible for my eyes to protrude to the point where I can't close them? My eyes are more prominent than others, and I'm worried that one day they will protrude so much that I won't be able to close them. Please help me, doctor!
Dr. Liu Jingxian Reply:
Hello, Hong De: Among the diseases that cause protrusion of the eyes, hyperthyroidism is the most common condition. Other rare diseases include idiopathic orbital inflammatory disease, vascular disorders (e.g., Wegener's granulomatosis), or tumors, among others. Protrusion o...[Read More] Understanding Protruding Eyes: Causes and Solutions for Eye Health
Understanding LASIK for High Myopia: Is 90UM Safe for Corneal Thickness?
LASIK laser vision correction surgery for myopia? I have myopia of -1400 diopters in my left eye and -1600 diopters in my right eye. I am preparing for laser surgery, and my measured corneal thickness is around 540 micrometers. The doctor said I can undergo LASIK surgery, but due...
Dr. Hu Yusheng Reply:
Hello CoCo user, LASIK surgery involves the precise thinning of the cornea based on its refractive error, creating a concave lens effect to replace the need for glasses. The higher the refractive error, the deeper the thinning required. Currently, the commonly used microkeratom...[Read More] Understanding LASIK for High Myopia: Is 90UM Safe for Corneal Thickness?
Understanding Amblyopia Treatment: Key Questions for Parents
Amblyopia treatment Hello Dr. Liu, My daughter is currently 6 years and 2 months old. During her vision screening in the first grade, she was diagnosed with amblyopia. She has astigmatism of 250 degrees in both eyes, with uncorrected visual acuity of 0.6 to 0.7. She is currentl...
Dr. Liu Jingxian Reply:
Dear anxious father, Let me explain the mechanism behind "amblyopia." During the process of visual development, the eyes and the visual cortex need to receive adequate light and visual stimuli to develop properly. When light enters the eye, it is refracted by the main ...[Read More] Understanding Amblyopia Treatment: Key Questions for Parents
Understanding Corneal Endothelial Cell Dysfunction: Symptoms and Dietary Tips
What is corneal endothelial cell dystrophy? Hello, I would like to ask about my mother's recent eye examination, which revealed that she has endothelial cell dystrophy. Could you please explain what this condition is, what precautions should be taken, and if there are any fo...
Dr. Wang Zhangji Reply:
Hello: The corneal endothelial cells play a crucial role in maintaining the cornea's hydration. Therefore, when these cells encounter issues, the cornea is prone to edema, leading to problems such as epithelial blisters and fibrosis. Corneal endothelial dystrophy may have a ...[Read More] Understanding Corneal Endothelial Cell Dysfunction: Symptoms and Dietary Tips
Is It Safe to Wear Rigid Gas Permeable Contacts with a Higher Prescription?
Rigid Gas Permeable (RGP) Contact Lenses After wearing daily disposable contact lenses for a while, I have switched back to my previous rigid gas permeable (RGP) lenses. However, my prescription has changed, and my current uncorrected vision is 750 degrees, while my RGP lenses ar...
Dr. Wang Ziyang Reply:
The difference between the true prescription and rigid gas permeable contact lenses primarily affects vision; however, the real concern lies in the diameter and curvature of the lenses. If the size and curvature are not appropriate, they can cause significant damage to the cornea...[Read More] Is It Safe to Wear Rigid Gas Permeable Contacts with a Higher Prescription?
Understanding Amblyopia: Can Vision Correction Still Help After Age Nine?
Regarding unilateral amblyopia? I have amblyopia in one eye and I am about to move up a grade. I have not been wearing corrective glasses until now. Is it still possible to correct it? Many people say that after the age of nine, it becomes very difficult to correct. Also, I would...
Dr. Liu Jingxian Reply:
Hello Ms. Chen, What is "amblyopia"? Amblyopia refers to a condition where, after the normal developmental period of the eyes, one or both eyes cannot achieve the best corrected visual acuity of 0.8 or above with glasses, despite the absence of any pathological changes...[Read More] Understanding Amblyopia: Can Vision Correction Still Help After Age Nine?