Can Pregnant Women Undergo Laser Vision Correction?
Can pregnant women undergo laser vision correction? Can pregnant women undergo laser vision correction? I have heard that wearing contact lenses may not be suitable during the later stages of pregnancy. Thank you.
Dr. Hu Yusheng Reply:
Hello Ms. ONE, pregnant women should not undergo laser surgery for myopia, as hormonal changes can cause corneal edema, leading to inaccuracies in the corrective prescription. Thank you. Sincerely, Dr. Hu Yu-Sheng, Ophthalmology.[Read More] Can Pregnant Women Undergo Laser Vision Correction?
Should You Choose High Oxygen Permeable Contact Lenses?
Rigid Gas Permeable Contact Lenses Hello Doctor: When I went to get contact lenses, they recommended high oxygen permeability contact lenses for me (R800-125, L675-75). Is that a good choice? How much astigmatism can I have before I need to wear toric lenses? Thank you.
Dr. Lin Zhengyi Reply:
Hello! The oxygen required by the superficial layer of the cornea primarily comes from the oxygen dissolved in the tear film from the air. Prolonged exposure can slow down the rate of oxygen penetration into the cornea, potentially leading to corneal hypoxia and even keratitis. H...[Read More] Should You Choose High Oxygen Permeable Contact Lenses?
Understanding Chronic Red Eyes: Causes and Solutions for Eye Discomfort
My classmates call me "Rabbit Eyes." Doctor, my eyes have been red for over ten years, filled with blood vessels every day. I have seen many doctors; some said it is chronic conjunctivitis, others said it is caused by wearing contact lenses, and some suggested double ey...
Dr. Lin Zhengyi Reply:
Hello! Based on your description, the most likely conditions are chronic conjunctivitis, dry eye syndrome, or trichiasis. A direct diagnosis and treatment by a physician is still necessary. Thank you![Read More] Understanding Chronic Red Eyes: Causes and Solutions for Eye Discomfort
How to Reduce Visible Red Veins in Your Eyes: Effective Solutions
Telangiectasia I previously had very few red blood vessels in my eyes, but now I can clearly see many of them. Are there any ways to improve this condition?
Dr. Wang Ziyang Reply:
The most common cause of red and white streaks in the eyes is conjunctivitis, particularly allergic conjunctivitis. Additionally, prolonged use of contact lenses can also lead to eye redness. It is advisable to seek medical attention as soon as possible for proper diagnosis and t...[Read More] How to Reduce Visible Red Veins in Your Eyes: Effective Solutions
Understanding Eye Discomfort: Causes of Swelling and Redness in the Eye
Eyes Hello, doctor: Recently, I've been feeling a bit of swelling in my left eye, and there are blood vessels visible in the white part of my eye. What could be the issue? Please provide an answer. Thank you!
Dr. Chen Xuan Reply:
Hello~ Do you wear contact lenses? Do you spend long periods (over 2 hours) on the computer every day? Do you experience blurred vision? Do you have a history of allergies? In clinical practice, symptoms such as eye discomfort, pain, and redness must be differentiated, as there a...[Read More] Understanding Eye Discomfort: Causes of Swelling and Redness in the Eye
Can You Wear Contact Lenses at High Altitudes?
Can contact lenses be worn at higher altitudes? Hello, Doctor! I will be traveling to Nepal for about a month and a half at the end of the month, spending most of my time at altitudes above 3000-4000 meters. I have myopia of about -4 diopters. Given the high altitude, thin air, a...
Dr. Cai Jingyao Reply:
Hello, wearing contact lenses should be tailored to personal habits and environmental conditions. It is important to pay attention to hydration, especially in dry places such as airplane cabins or different countries, and to avoid wearing them for too long. Additionally, make sur...[Read More] Can You Wear Contact Lenses at High Altitudes?
Best Contact Lenses for People with Dry Eyes: Expert Advice
What type of contact lenses are suitable for individuals with dry eyes? Hello, Doctor. I would like to ask the following questions: 1. Every time I wear contact lenses for 2-3 hours, my vision becomes blurry, and I feel the need to yawn and tear up to feel comfortable. Sometime...
Dr. Ke Meilan Reply:
Hello: 1. The most likely cause is still dry eye, or inflammation leading to increased secretion, which can also cause blurred vision. 2. If your eyes are too dry, do not wear contact lenses. 3. It may not necessarily be just dryness; dry conjunctivitis should also be considered....[Read More] Best Contact Lenses for People with Dry Eyes: Expert Advice
Persistent Itchy Left Eye: Is It Just Allergies?
Itchy eyes? Hello. My left eye often feels very itchy and uncomfortable, as if there are small particles inside. I wear contact lenses, and although I have seen a doctor, they said it is an allergy. Each time, I am prescribed two types of eye drops, one of which is for inflammati...
Dr. Chen Xuan Reply:
Hello: Itchy eyes or a foreign body sensation are associated with various surface eye diseases, such as allergic conjunctivitis, dry eye syndrome, eye stones, ingrown eyelashes, and superior limbic keratoconjunctivitis (which commonly occurs in contact lens wearers). The developm...[Read More] Persistent Itchy Left Eye: Is It Just Allergies?
Understanding UV Protection in Contact Lenses for Eye Health
About UV-blocking contact lenses? I have mild myopia in my right eye, approximately between 25 to 50 degrees, while my left eye is normal. Therefore, I use a mild cycloplegic agent every night. During the day, when it's sunny, I can't wear sunglasses at school, so I...
Dr. Zhang Yanrui Reply:
First, you should check if you are using a long-acting mydriatic agent (you can consult your physician). If it is only a short-acting one, there is no need to specifically use UV protection tools. Additionally, most lenses have good UV protection after processing, so wearing regu...[Read More] Understanding UV Protection in Contact Lenses for Eye Health
Understanding Blurry Vision: Possible Causes and Solutions
Things look very blurry..? [Date] 2004/07/30 [Question] Inquirer: GD90 / Female / 21 Recently, I've been seeing things a bit blurry and white... I can't quite describe it... It's somewhat like the feeling you get after staring at a bright light for too long and the...
Dr. Zhang Yanrui Reply:
First, please do not panic, as it is reassuring to know that your eyes are generally fine. However, based solely on your description, it is really difficult to provide you with a definitive answer. Intraocular hemorrhage... given your age, while it is not impossible, the likeliho...[Read More] Understanding Blurry Vision: Possible Causes and Solutions
Choosing the Right Eyeglass Lenses: Quality, Cost, and Care Tips
The quality of lenses? I recently want to change my glasses, but the price difference for lenses is quite large, ranging from over a thousand to more than ten thousand. I'm really unsure how to choose. So I'm here to ask the doctor for advice. Thank you in advance! Addi...
Dr. Ke Meilan Reply:
Hello: The quality of lenses is determined by: 1. Curvature rate 2. Light transmittance 3. Whether they are categorized by brand level (which makes selection difficult). Since neither of us are optometrists and do not have the instruments to detect these factors, it is challengin...[Read More] Choosing the Right Eyeglass Lenses: Quality, Cost, and Care Tips
Troubles with Contact Lenses: Seeking Advice for Discomfort and Dizziness
Contact lens issues - I'm abroad, please help me. Thank you! I normally wear glasses with a prescription of over -800 and astigmatism of around -200. Due to an incident while swimming, I lost my glasses, so I temporarily started wearing my friend's disposable contact le...
Dr. Zhang Yuhua Reply:
Wearing improperly fitted contact lenses can lead to various issues. If the curvature is incorrect, or if the lenses are too tight or too loose, it can cause corneal hypoxia or a foreign body sensation. Dry eye conditions can also result in similar symptoms. It is advisable to un...[Read More] Troubles with Contact Lenses: Seeking Advice for Discomfort and Dizziness
Understanding Contact Lens Water Content: High vs. Low and Orientation Differences
The water content of contact lenses and their orientation: horizontal or vertical? Hello Doctor: Recently, I noticed that my contact lens prescription seems insufficient, so I wanted to get a new pair of contact lenses. However, when I visited the optical store, the so-called &qu...
Dr. Lin Zhengyi Reply:
1. Soft contact lenses do not move as noticeably with blinking as rigid gas permeable lenses, which prevents the tear film underneath from circulating. As a result, most of the oxygen required by the cornea must penetrate through the soft contact lenses to reach the surface of th...[Read More] Understanding Contact Lens Water Content: High vs. Low and Orientation Differences
Essential Care Tips for Contact Lenses: Do You Need Saline Rinse?
Contact lenses Hello, doctor: What is the correct way to care for contact lenses? After rinsing or soaking with a cleaning solution, is it necessary to rinse with saline solution? If I don't rinse with saline solution, will it harm my eyes?
Dr. Chen Anping Reply:
Hello, Xiao Xiao: Most contact lens solutions contain preservatives. If not rinsed thoroughly before wearing, the residual preservatives can harm the eyes.[Read More] Essential Care Tips for Contact Lenses: Do You Need Saline Rinse?
Are Contact Lenses Suitable for Those with Allergic Conjunctivitis?
I would like to ask if it is suitable to wear contact lenses? Hello, I have an allergic constitution, so I often experience itchy but untreated conjunctivitis. Is it suitable for me to wear contact lenses? Thank you.
Dr. Zhang Yanrui Reply:
If you have a history of allergies, you can still wear contact lenses, but you should use a solution that does not trigger your allergies. This may require trying several brands of contact lenses, and disposable lenses are preferable as they reduce the accumulation of allergens. ...[Read More] Are Contact Lenses Suitable for Those with Allergic Conjunctivitis?
Are Rigid Gas Permeable Contact Lenses Right for You?
Rigid gas permeable contact lenses Hello Dr. Ke: Two years ago, I felt a foreign body sensation in my eyes, and the redness in the sclera was very noticeable. I consulted an ophthalmologist, who diagnosed me with dry eye syndrome and told me that I could never wear contact lenses...
Dr. Ke Meilan Reply:
Hello, 1. If you are not comfortable with surgery, do not force yourself to undergo it. 2. Rigid gas permeable contact lenses are currently available, but they are not suitable for environments with high wind and dust. If you truly have dry eye syndrome, neither rigid nor soft...[Read More] Are Rigid Gas Permeable Contact Lenses Right for You?
Managing High Myopia: Concerns About Vision Loss and Treatment Options
High myopia Dear Doctor, I am 30 years old and have a girlfriend with whom I am considering marriage. However, I have been troubled by my eye issues for a long time, even contemplating whether I should get married, as I worry about the possibility of becoming blind in the future...
Dr. Zhang Zhengzhong Reply:
Hello Jason, 1. The symptoms of retinal detachment include the presence of fixed shadows. If you experience this, please seek medical attention promptly. Additionally, if you notice symptoms resembling rain in your vision, it may indicate warning signs from the retina, and you s...[Read More] Managing High Myopia: Concerns About Vision Loss and Treatment Options
Managing Dry Eye Syndrome After LASIK: Tips and Treatment Options
Dry Eye Syndrome I have been wearing contact lenses for a long time (about 18 years). Last March, I underwent laser surgery to correct my vision (originally -750 diopters, now -150 diopters). Since then, I have experienced dry and painful eyes, especially when I wake up in the mo...
Dr. Ke Meilan Reply:
Hello, 1. Were you diagnosed with dry eye syndrome prior to the LASK procedure? 2. Generally, 3-6 months post-surgery, most patients will return to their pre-operative condition, and tear film tests can determine the severity. 3. Waking up with eye pain can occur not only due...[Read More] Managing Dry Eye Syndrome After LASIK: Tips and Treatment Options
Can Artificial Iris Implant Surgery Change Eye Color After Surgery?
What should be done if one eye has a different color than the other due to years after surgery? Hello, Dr. Hu. I injured my eye during childhood and underwent surgery in my twenties for strabismus and cataracts. Although my vision did not fully recover, the appearance of my eye i...
Dr. Hu Yusheng Reply:
Hello, based on your description of the issue, the lightening of the sclera may be due to corneal disease or secondary cataracts. If there is no visual function in that eye, you might consider improving the cosmetic appearance by using a prosthetic eye or colored contact lenses w...[Read More] Can Artificial Iris Implant Surgery Change Eye Color After Surgery?
Choosing Contact Lenses: Should You See an Eye Doctor First?
Contact lenses I would like to ask the doctor: I want to wear contact lenses, and my prescription is around -6.00 diopters with significant astigmatism. Should I consult an ophthalmologist for fitting contact lenses, or can I go to an optical store to get them? If this is my firs...
Dr. Ke Meilan Reply:
Hello, 1. It is best to have an examination by a physician. 2. Whether to use soft contact lenses depends on the degree and axis of astigmatism. Since rigid lenses are more difficult to adapt to, if soft lenses do not provide adequate correction, then rigid lenses may be consi...[Read More] Choosing Contact Lenses: Should You See an Eye Doctor First?