Understanding Causes of Significant Parallax in Vision Problems
Possible causes of excessive parallax? Hello Dr. Wang, I have been nearsighted since childhood, and my prescription has continued to worsen. After entering the workforce, I have visited an ophthalmologist several times, but they all confirmed it was just myopia. Recently, since I...
Dr. Wang Zhishun Reply:
Hello, based on what you mentioned, it seems that the vision in both eyes is significantly different, rather than a large disparity (which refers to a difference in prescription of more than 200 degrees between the two eyes). If one eye has poorer vision, the examinations you und...[Read More] Understanding Causes of Significant Parallax in Vision Problems
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
Managing Corneal Damage and Dry Eye: Is Your Eye Care Routine Overwhelming?
Corneal damage + dry eye syndrome eye drops Doctor, I have been experiencing dry and itchy eyes with some discharge recently. I applied tetracycline for inflammation on my own, but it worsened my condition, resulting in corneal damage, and my eye surface feels jelly-like and wate...
Dr. Gao Pilin Reply:
Hello Mr. Mi: You have corneal damage and dry eyes, and sometimes it is necessary to use these medications depending on the situation. Based on your clinical symptoms, your physician should provide appropriate management. Therefore, please follow the recommendations of your atten...[Read More] Managing Corneal Damage and Dry Eye: Is Your Eye Care Routine Overwhelming?
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
Can Vision Loss from Macular Damage Be Reversed After 11 Years?
Eleven years ago, there was partial cell death in the macula of the retina due to trauma. Is there a chance for healing now? Due to a car accident 11 years ago, I sustained partial cracking in the macula of my cornea from a strong impact, which has resulted in scarring that affec...
Dr. Wang Zhangji Reply:
The chances of recovery from macular scarring are not high, but it is still advisable to visit a medical center to evaluate various possible treatments.[Read More] Can Vision Loss from Macular Damage Be Reversed After 11 Years?
How Long Should You Use Eye Drops and Ointment After Corneal Injury?
How long should eye drops or ointments be used? Hello Doctor: On October 26, 2015, I visited an ophthalmologist due to eye pain. After examination, the doctor informed me that my cornea was scratched by metal fragments, and they removed it. The medical record indicated a procedur...
Dr. Gao Pilin Reply:
Hello: If there are no symptoms, it should be discontinued, as it has been more than two weeks. If you still feel uncomfortable, you should visit an ophthalmologist for an evaluation to determine whether you need to continue the medication. The ophthalmology department at Puzi Ho...[Read More] How Long Should You Use Eye Drops and Ointment After Corneal Injury?
Persistent Corneal Edema After Cataract Surgery: Next Steps and Options
Postoperative corneal edema persists without resolution? Hello, Doctor: It has been over three months since my cataract surgery, and I am still experiencing corneal edema. The doctor examined me and noted that there is a small area of degeneration in the central endothelial cells...
Dr. Wang Zhishun Reply:
Hello, you can visit the ophthalmology department at Cheng Kung University for an evaluation. Although the surgery for corneal endothelial cell transplantation has advanced significantly, it still carries a much higher risk compared to cataract surgery.[Read More] Persistent Corneal Edema After Cataract Surgery: Next Steps and Options
Understanding Post-Cataract Surgery Vision: Is 0.5 Normal?
Postoperative visual acuity is 0.5? Hello, doctor. I would like to ask you about my condition. It has been almost three months since my cataract surgery. Currently, my vision measures between 0.5 and 0.6. The reason for this is that there is a small area of opacity in the central...
Dr. Wang Zhishun Reply:
Hello, the central corneal endothelial cells are cloudy, which will indeed affect the degree of visual recovery. As for whether corneal surgery is necessary, it is recommended to monitor and re-evaluate over a period of time.[Read More] Understanding Post-Cataract Surgery Vision: Is 0.5 Normal?
Understanding Glaucoma Tests: What You Need to Know
Glaucoma examination? Hello, doctor. I would like to ask you about my recent eye examination. The doctor mentioned that my optic disc is larger than average, so they performed visual field tests and measured my intraocular pressure, which was almost 20. Over the past three years,...
Dr. Gao Pilin Reply:
Hello, Petty: Fundus photography is not always necessary. Changes in visual fields are the most objective measure. The rainbow seen in glaucoma occurs at the periphery of light, which is caused by corneal edema and is not necessarily indicative of glaucoma. Regular monitoring of ...[Read More] Understanding Glaucoma Tests: What You Need to Know
Delayed Vision Recovery After Cataract Surgery: Is It Normal?
It has been half a month since cataract surgery, and vision has not yet improved? Hello Doctor, I underwent cataract surgery (ultrasound) on the 12th of this month, and it has been half a month since then. I can still only see the outlines of nearby objects in light. I heard that...
Dr. Wang Zhishun Reply:
Hello, after cataract surgery, it typically takes about 2 to 3 months for vision to stabilize, during which time vision usually improves gradually. It is recommended to continue using eye drops if there is gradual improvement while waiting for the recovery period. However, if the...[Read More] Delayed Vision Recovery After Cataract Surgery: Is It Normal?
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 Eye Injuries: What to Do When Your Nail Scratches Your Eye
Nail injury to the eye? While playing, I accidentally poked my eye with my fingernail, and now there is a red spot on the sclera that looks like a bruise. My vision is currently normal.
Dr. Gao Pilin Reply:
Hello Mr. Su: According to your description, it is a conjunctival hemorrhage, which should not be serious and will resolve on its own within a week. If there is significant pain, we need to consider whether there is also a corneal abrasion, which would require examination. In Tai...[Read More] Understanding Eye Injuries: What to Do When Your Nail Scratches Your Eye
Post-Cataract Surgery: Understanding Corneal Edema and Treatment Options
Corneal edema after cataract surgery? Hello Doctor: I previously inquired about experiencing foggy vision two weeks after cataract surgery. I returned for a follow-up appointment about four weeks post-surgery, and for the foggy vision, I received an injection to reduce swelling. ...
Dr. Gao Pilin Reply:
Hello Lennon: Postoperative edema can take a long time to resolve for some individuals, and there are no statistical figures available since each person's situation is different. Therefore, I cannot provide you with a specific answer, and I apologize for that. Whether you ne...[Read More] Post-Cataract Surgery: Understanding Corneal Edema and Treatment Options
Post-Cataract Surgery: Understanding Foggy Vision and Recovery Concerns
Postoperative issues following cataract surgery? Hello doctor, I am now one month post-surgery. Two weeks after the surgery, I suddenly noticed that every morning when I wake up, my eyes have a layer of fog. After consulting with my physician and reporting this issue, the doctor ...
Dr. Gao Pilin Reply:
Hello Lennon: This symptom may be related to corneal edema. When it swells, your vision may appear blurry. Sometimes this can persist for a period of time after surgery. If there are any worsening symptoms, you should seek medical attention immediately and discuss your symptoms w...[Read More] Post-Cataract Surgery: Understanding Foggy Vision and Recovery Concerns
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
Understanding Rainbow Vision: Is It Normal or a Sign of Glaucoma?
Could you please provide more context or specify your question? I would like to ask the doctor: I have a refractive error of -4.50 diopters in both eyes, with approximately -1.00 diopter of astigmatism in each eye. When I wake up in the morning, I see rainbow halos around lights,...
Dr. Gao Pilin Reply:
Hello XXX: 1. It is possible that the cornea is causing this issue; pressure during sleep may have led to some deformation, resulting in the appearance of halos. 2. Glaucoma could potentially cause such symptoms, but it would not resolve in just a few minutes, so it is likely ...[Read More] Understanding Rainbow Vision: Is It Normal or a Sign of Glaucoma?
Understanding Astigmatism Progression and Cone Keratoconus Risks
Astigmatism has been progressively worsening? Hello, doctor. I have had astigmatism in both eyes since I was 16, which has progressively worsened. Now at 27, I have 550 degrees of astigmatism in one eye and 600 degrees in the other. I don't wear glasses because they cause di...
Dr. Gao Pilin Reply:
Hello, Astigmatism is primarily caused by irregularities in the cornea, with keratoconus being the most common condition. Squinting can also lead to astigmatism, but it has a different etiology compared to keratoconus. It is recommended that you wear rigid gas permeable contact...[Read More] Understanding Astigmatism Progression and Cone Keratoconus Risks
Understanding High Eye Pressure: Causes and Solutions for Your Eye Health
Elevated intraocular pressure? My brother is nearsighted and went to an ophthalmologist for follow-up. During one visit, the doctor mentioned that my brother had elevated intraocular pressure, suggesting possible glaucoma. Later, we took him to a larger hospital for further exami...
Dr. Wang Zhishun Reply:
Hello, the thickness of the cornea does not require special treatment unless it is pathological. As for a smaller pupil, a clinical examination is necessary to determine if there is an issue.[Read More] Understanding High Eye Pressure: Causes and Solutions for Your Eye Health
Understanding Rainbow Halos: Are They a Sign of Glaucoma?
Eye concerns? Hello, doctor: I have a myopia of 1000 degrees and have been wearing glasses for a long time. When I look at light bulbs, I notice a rainbow halo around them, whether it's a fluorescent light or a traditional bulb. The position of the rainbow changes depending ...
Dr. Gao Pilin Reply:
Hello, Xiao Ke: If you cannot see a rainbow without your glasses, it may be due to the prism effect of high myopia lenses. You should consider having your glasses checked at an optical store. If you still see halos without your glasses, it could indicate corneal edema or glaucoma...[Read More] Understanding Rainbow Halos: Are They a Sign of Glaucoma?
Red Eyes and Dryness After Contact Lens Use: Causes and Solutions
Dry eyes with bloodshot appearance? Hello, Doctor: Yesterday, I wore contact lenses, and it took a little time to remove them. After taking them out, my eyes became bloodshot, and even today, the redness is still very noticeable. Additionally, I am experiencing dryness and slight...
Dr. Gao Pilin Reply:
Hello, The presence of bloodshot eyes and a stinging sensation may be due to prolonged wear of contact lenses, which can sometimes be difficult to remove. During removal, there is a risk of scratching the cornea. The recommended wearing time for contact lenses varies by individ...[Read More] Red Eyes and Dryness After Contact Lens Use: Causes and Solutions