Understanding Eye Allergies: Causes, Symptoms, and Contact Lens Safety
Eye allergy If the eyes are allergic due to individual constitution, does that mean one cannot wear contact lenses anymore? Is there a connection between eye allergies and a history of urticaria? Is it normal to have eye allergies without an active outbreak? Can one request a blo...
Dr. Gao Pilin Reply:
Dear Ms. Hsu, Having urticaria indicates that you have an allergic constitution, which makes your eyes prone to allergies as well. You can visit a dermatologist to undergo allergy testing. Allergic conjunctivitis can be caused by wearing contact lenses; some patients may experie...[Read More] Understanding Eye Allergies: Causes, Symptoms, and Contact Lens Safety
Risks of Wearing Expired Contact Lenses: What You Need to Know
Contact lenses Hello, doctor. If contact lenses are labeled as one-month use, will the pigments on the lenses accumulate if they are worn after the expiration date? Thank you.
Dr. Wang Zhishun Reply:
Hello, it is advisable not to use expired products.[Read More] Risks of Wearing Expired Contact Lenses: What You Need to Know
Choosing the Right Contact Lenses: Comfort and Oxygen Permeability Explained
Contact lenses Hello Doctor: Due to work requirements, I need to wear contact lenses. My work environment varies between being in an air-conditioned room for long periods (static) and being outdoors (dynamic). I visited an optical shop, and the staff presented me with two types o...
Dr. Wang Zhishun Reply:
Hello: Is this your first time wearing contact lenses? If so, it is advisable to have an eye examination (be sure to inform the doctor that you want to wear contact lenses). Currently, disposable soft contact lenses are predominant, and with advancements in materials, the importa...[Read More] Choosing the Right Contact Lenses: Comfort and Oxygen Permeability Explained
Understanding Styes: Treatment, Risks, and Long-Term Effects
The doctor said that the stye will not get better? I developed a stye on October 7th and went to see a doctor the next day. The doctor prescribed oral medication and eye drops. I didn't finish the oral medication because I thought the stye was noticeably less swollen, so I s...
Dr. Wang Zhishun Reply:
Hello, using a warm towel for compress can be helpful. If the location is too close to the lacrimal glands, surgery may affect the tear film.[Read More] Understanding Styes: Treatment, Risks, and Long-Term Effects
Managing High Astigmatism in Children with Ectopic Lenses: A Guide
Ectopia lentis causing high astigmatism? Hello, due to Marfan syndrome causing lens dislocation, my child developed high astigmatism at the age of three. We were supposed to perform surgery to implant an artificial lens, but it was canceled due to postoperative care concerns and ...
Dr. Wang Zhishun Reply:
Hello, due to the abnormality of the zonules in Marfan syndrome, there can be lens dislocation. If a toric intraocular lens is implanted after surgery, there will still be issues with positioning and angulation, and toric intraocular lenses generally can only correct astigmatism ...[Read More] Managing High Astigmatism in Children with Ectopic Lenses: A Guide
Hand Washing vs. Cleaning Machines: Best Practices for Contact Lens Care
Cleaning contact lenses? Is it better to wash contact lenses by hand or with a contact lens cleaning machine? There are cleaning machines available online that use ultrasonic waves for cleaning. It is said that after being subjected to ultrasonic cleaning, the surface of the poly...
Dr. Wang Zhishun Reply:
Hello, hand rubbing is the most basic necessity for cleaning all types of contact lenses; as for cleaning machines, I couldn't find any mention of them in the contact lens textbooks I reviewed.[Read More] Hand Washing vs. Cleaning Machines: Best Practices for Contact Lens Care
Understanding Prescription Changes in Rigid Contact Lenses
Issues with Rigid Gas Permeable (RGP) Contact Lens Prescription Hello doctor, I got a pair of rigid gas permeable contact lenses with a prescription of -4.75 diopters six years ago, and now my prescription is over -6.00 diopters. I haven't worn them regularly in the past, bu...
Dr. Wang Zhishun Reply:
Hello, because rigid gas permeable contact lenses can slightly alter the tear film's refractive power, the prescription can generally be reduced a bit, as long as vision is acceptable. Remember to have regular eye examinations![Read More] Understanding Prescription Changes in Rigid Contact Lenses
Understanding Inwardly Curled Eyelashes: Causes and Solutions
Doctor, please help me? Doctor, today while taking a shower, I noticed that my lower eyelashes are turning inward, and there is a small red area near the inner corner of my eye. It looks normal on the surface, but when I touch it, I can feel a small bump. What could this be? I of...
Dr. Gao Pilin Reply:
Hello Yuting: This description is quite unclear. The best approach is to visit an ophthalmologist for an in-person examination, which will help determine the issue and allow for appropriate treatment. The ophthalmology department at Puzi Hospital in Taiwan is open Monday to Frida...[Read More] Understanding Inwardly Curled Eyelashes: Causes and Solutions
Can Hot Spring Water Damage Contact Lenses? Eye Care Tips
Contact lenses splashed into hot spring water? Hello doctor, today while wearing contact lenses, my left eye accidentally got splashed with hot spring water. Since I am currently abroad, I am concerned about the possibility of infection. Is it safe to use "Winnacot" oin...
Dr. Gao Pilin Reply:
Hello, Qiu: Please refrain from wearing contact lenses for the time being. The risk of infection is low, and you can use Tempra if needed urgently. If you experience any discomfort, please seek nearby treatment. The ophthalmology department at Puzi Hospital in Taiwan is open Mond...[Read More] Can Hot Spring Water Damage Contact Lenses? Eye Care Tips
Understanding Prescription Differences in Contact Lenses for Better Vision
Contact lens prescription - Hello, Dr. Gao: I apologize for bothering you again. Regarding the newly prescribed contact lenses, it wasn't intentional to have one eye for distance and the other for near vision. The eye that can't see clearly has difficulty seeing both fa...
Dr. Gao Pilin Reply:
Hello LILI: To determine if there is a difference in your vision, you need to undergo a refraction test to measure your corrected visual acuity. The difference in corrected visual acuity indicates the disparity in your vision. It is recommended that you visit an ophthalmologist t...[Read More] Understanding Prescription Differences in Contact Lenses for Better Vision
Understanding Contact Lens Prescription Discrepancies: A Guide
Contact lens prescription Hello, Doctor Gao: I recently got a new pair of contact lenses, and I've noticed that when I look with one eye at a time, the clarity between the two eyes is quite different. Is this related to the fact that people tend to favor one eye over the oth...
Dr. Gao Pilin Reply:
Hello LILI: The clarity of your vision in both eyes is quite different. The eye with poorer vision may have an uncorrected refractive error, but it could also be due to an inherent difference in visual acuity. I'm not sure if this was done intentionally, as sometimes one eye...[Read More] Understanding Contact Lens Prescription Discrepancies: A Guide
Choosing the Right Medication for Keratitis: Expert Insights
Medications for Keratitis Dear Doctor, I usually wear contact lenses, but recently I've experienced discomfort in my eyes, with a foreign body sensation and small white particles near the inner corner of my lower eyelid. After consulting two different clinics, I would like y...
Dr. Gao Pilin Reply:
Hello, Man-Jun: Based on your description, it seems that you have conjunctivitis rather than keratitis. Different stages require different medications, and the clinical symptoms vary, so the medications used will also differ. However, it appears that you can start by trying the m...[Read More] Choosing the Right Medication for Keratitis: Expert Insights
Understanding Contact Lens Impact on Uneven Vision in Teens
Contact lenses I am a first-year high school student and have just started wearing contact lenses. I originally had an issue with unequal prescription between my left and right eyes, but I have been wearing -2.50 in both eyes. I used to think the prescriptions were very close, bu...
Dr. Wang Zhangji Reply:
Your issue requires diagnostic testing to confirm.[Read More] Understanding Contact Lens Impact on Uneven Vision in Teens
Understanding Discomfort with First-Time Contact Lens Wear: Is It Normal?
Contact lenses I first started wearing contact lenses on October 1st. The doctor taught me how to put them on, and I can do it, but why do I feel something strange in my upper and lower eyelids when I wear them? It feels like something is stuck inside! What could this be? Is this...
Dr. Wang Zhishun Reply:
Hello, the situation you mentioned is possible in first-time wearers. However, to determine if there are any issues, it is best to visit an ophthalmologist for an examination while wearing the contact lenses.[Read More] Understanding Discomfort with First-Time Contact Lens Wear: Is It Normal?
Do I Need to Change My Glasses After Increasing Contact Lens Prescription?
Contact lenses A few days ago, I got a new prescription for my contact lenses, and my degree has increased by one level. I originally had no astigmatism, but now I have 0.50 in both eyes. The optical shop said that I should also change my glasses because my prescription has incre...
Dr. Wang Zhishun Reply:
Hello, based on your description, it seems that you do not need to change your glasses yet; what you have should be sufficient.[Read More] Do I Need to Change My Glasses After Increasing Contact Lens Prescription?
Managing Vision Imbalance and Dizziness After Eye Injury
Binocular vision imbalance, eye strain, and dizziness issues? Hello Dr. Wang, I am the anxious patient who was hit by a badminton shuttlecock, resulting in a membrane formation on my lens. Last week, I followed your advice and went to see an optometrist regarding my new glasses a...
Dr. Wang Zhishun Reply:
Hello, there is indeed research that proves the effectiveness of eye drops for improving cataracts, but it seems that your situation may not necessarily require them at this time. As for surgery, it is better to consider it only when necessary. I believe your condition will gradu...[Read More] Managing Vision Imbalance and Dizziness After Eye Injury
Why Do My Contacts Cause Halo Effects at Night?
When wearing contact lenses, I see rings or halos around lights? When I first wore my contact lenses at night and looked at the lights, I noticed a halo effect. Even after cleaning and wearing them again, the issue persisted. Importantly, there are no scratches or damage on the l...
Dr. Wang Zhishun Reply:
Hello, it may be an issue with the curvature. It is recommended to visit an ophthalmologist while wearing your contact lenses.[Read More] Why Do My Contacts Cause Halo Effects at Night?
Persistent Swelling of One Eyelid: Causes and Solutions
Unilateral eyelid swelling? Hello, doctor. I would like to inquire about my eyelid. A year ago, my left upper eyelid suddenly swelled up one day while I was wearing monthly disposable contact lenses. I visited 4 to 5 clinics but did not receive a complete answer. Since then, I ha...
Dr. Gao Pilin Reply:
Hello Brian: If the swelling is due to a single lump inside, it could be a chalazion. If the entire area is swollen, it might be edema. I'm not sure which type of swelling you are referring to. If it's an allergic reaction, the swelling should decrease after medication,...[Read More] Persistent Swelling of One Eyelid: Causes and Solutions
Understanding Allergic Conjunctivitis: Symptoms and Management Tips
Allergic keratitis Hello doctor, my eyes often appear red, but it's not the entire eye that is red; rather, it's the white part of the eye next to the eyeball that becomes red, and it never happens in both eyes at the same time. The left eye is affected most frequently,...
Dr. Gao Pilin Reply:
Hello, Bao: This should be allergic conjunctivitis, not keratitis. Please visit an ophthalmologist for evaluation. If it is indeed an allergy, using antihistamine eye drops should help improve the condition. Contact lenses can also cause allergies, so try not wearing them for an ...[Read More] Understanding Allergic Conjunctivitis: Symptoms and Management Tips
Understanding Warranty and Support for Rigid Contact Lenses
Issues Related to Wearing Rigid Gas Permeable Contact Lenses When getting rigid gas permeable contact lenses fitted at a hospital, is there a warranty or after-sales service? If, after the prescription and trial fitting, I receive the lenses during a follow-up visit and find that...
Dr. Gao Pilin Reply:
Hello Paris: Generally, optical companies should be able to provide you with suitable hard lenses. It’s best to inquire beforehand to avoid any issues. Hospitals typically do not fit contact lenses; they usually only provide prescriptions, and you would need to go to an optical c...[Read More] Understanding Warranty and Support for Rigid Contact Lenses