Cornea, Ophthalmology FAQ - Page 26

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What to Do After a Cat Scratch Near the Eye When No Eye Clinic Is Open?

I just got scratched by a cat, and the ophthalmology clinic is closed on Sundays. What should I do? Hello, Doctor. About an hour ago, I was scratched in the eye by my cat. There is a noticeable wound and bleeding on the outer lower eyelid. I used saline solution to rinse it, but ...


Dr. Gao Pilin Reply:
Hello, Mr. Chen: Sometimes, minor scratches on the cornea are not visible to the naked eye. If the scratch is very mild, the cornea will recover quickly; however, it is still important to monitor for any signs of infection. Please seek medical attention as soon as the ophthalmolo...

[Read More] What to Do After a Cat Scratch Near the Eye When No Eye Clinic Is Open?


Understanding High Eye Pressure: Is Thick Cornea a Shield Against Glaucoma?

Intraocular pressure issues? Hello Doctor, my intraocular pressure has been consistently high, around 22-23. Previously, my fundus examination was normal. Recently, I visited an ophthalmology clinic where the doctor performed an OCT scan. He was quite surprised to find that my co...


Dr. Gao Pilin Reply:
Hello Mr. Huang: Your corneal thickness is relatively high, which can result in elevated intraocular pressure measurements; however, there is still a possibility of developing glaucoma. The measured intraocular pressure may be significantly higher than the standard. The doctor ...

[Read More] Understanding High Eye Pressure: Is Thick Cornea a Shield Against Glaucoma?


Understanding Allergic Conjunctivitis and Its Impact on Eye Health

Allergic conjunctivitis I have been troubled by allergic conjunctivitis for six months, but during this time, I have seen an ophthalmologist, and my intraocular pressure has ranged between 17-22 mmHg. The corneal thickness was also measured and found to be about 10 micrometers le...


Dr. Gao Pilin Reply:
Hello: Both the OCT and visual field tests are normal, and the intraocular pressure is nearly normal, so glaucoma can be ruled out for now. However, regular follow-ups are still necessary. The eye discomfort and pressure you are experiencing are mostly due to eye strain, and sinc...

[Read More] Understanding Allergic Conjunctivitis and Its Impact on Eye Health


Is There a Risk of Acanthamoeba Infection After Contact Lens Use?

Possibility of Abamycin Infection I have a habit of wearing orthokeratology lenses. After starting university last September, I used a multipurpose solution to clean and soak the lenses, but I would rinse them with water and put them on directly. About two months ago, I decided t...


Dr. Gao Pilin Reply:
Hello Mr. Zhou: Typically, amoebic infections can cause keratitis and corneal ulcers, usually affecting one eye. Symptoms may include a foreign body sensation, photophobia, tearing, and severe pain. If you are experiencing conjunctivitis and mild discomfort, it is likely not an a...

[Read More] Is There a Risk of Acanthamoeba Infection After Contact Lens Use?


Understanding Eye Pressure Measurement: Pain and Risks Explained

The tonometer's airflow was too strong and sprayed too much, resulting in eye pain? On July 17, I went to the clinic to measure my intraocular pressure. Even though I clearly opened my eyes, the technician kept insisting that I hadn't. They measured one eye 20 times (wh...


Dr. Gao Pilin Reply:
Hello, Xiao Wen: The air that was sprayed will not harm the retina; however, there may be some minor abrasion to the cornea. Applying artificial tears and an ointment, along with resting your eyes, will help. The cornea heals quickly and should recover within a few days, so there...

[Read More] Understanding Eye Pressure Measurement: Pain and Risks Explained


Eye Pain and Blurry Vision After Perfume Contact: What to Do?

If perfume gets into the eyes and is not rinsed immediately, it can cause stinging and blurred vision? A few days ago, I smelled smoke while sleeping, so I sprayed some perfume into the air, and my hands got some perfume on them. At that moment, my eyes started to tear up, and wh...


Dr. Gao Pilin Reply:
Hello Cindy: Perfumes may contain some alcohol or certain chemical components that could potentially cause corneal damage. Your condition might be due to some abrasions on the cornea. Please visit an ophthalmologist for an evaluation; a prescription for eye drops or ointment shou...

[Read More] Eye Pain and Blurry Vision After Perfume Contact: What to Do?


Understanding Contact Lens Issues: Discomfort and Eye Health Concerns

Contact lenses Hello, doctor. I previously wore orthokeratology lenses but had an infection that caused corneal damage. I stopped wearing them and have recovered for about a year and a half. Recently, I started wearing colored contact lenses. There are no issues while wearing the...


Dr. Gao Pilin Reply:
Hello, Xiao Jie: Typically, contact lenses can become less mobile in the evening. I'm not sure about your situation, but it could be that the curvature of the lenses is not quite right. When you remove them, you might experience a foreign body sensation, which could be due t...

[Read More] Understanding Contact Lens Issues: Discomfort and Eye Health Concerns


Understanding High Eye Pressure: Risks, Treatments, and Care Tips

Intraocular pressure issues? Hello Doctor, I have been experiencing consistently elevated intraocular pressure, usually around 22-23 mmHg. I have had a comprehensive eye examination at a major hospital, and my fundus examination appeared normal. I would like to ask if having this...


Dr. Cai Wenyuan Reply:
Hello, intraocular pressure is not the sole criterion for diagnosing glaucoma; regular monitoring is sufficient. Reducing the use of electronic devices and allowing your eyes to rest is beneficial. Corneal thickness can affect the accuracy of intraocular pressure readings; genera...

[Read More] Understanding High Eye Pressure: Risks, Treatments, and Care Tips


Understanding Eyelash Flaking: Causes, Symptoms, and Treatments

White flakes on eyelashes? Hello, Doctor. Recently, my eyes have been frequently itchy. In addition to using antihistamine eye drops, I often observe the condition of both eyes and have inadvertently noticed that my eyelashes occasionally have something resembling eye discharge. ...


Dr. Gao Pilin Reply:
Hello Xuan: 1. Occasionally, I notice a white substance at the base of my eyelashes that resembles eye discharge, and sometimes the base of my eyelashes itches. I also have occasional discharge from the inner corner of my eye. Is it possible that I have mites or some other insec...

[Read More] Understanding Eyelash Flaking: Causes, Symptoms, and Treatments


Do I Need to Replace My Eye Drops? Tips for Safe Usage

What about eye drops? Hello doctor, yesterday when I opened a bottle of eye drops, the solution bubbled out and there were bubbles (I shook it before opening). Today I consulted with a pharmacist who said there is likely no major issue, and it might just be due to pressure or oth...


Dr. Gao Pilin Reply:
Hello, Xuan: Typically, if a medication has deteriorated, it does not produce bubbles, so it is likely as the pharmacist mentioned that it may just be due to pressure or other factors. As for whether to change the medication, I cannot determine that from the text alone; if you ar...

[Read More] Do I Need to Replace My Eye Drops? Tips for Safe Usage


Understanding Corneal Dystrophy: Impact of Blue Light and Patient Education

The relationship between corneal dystrophy and blue light, as well as educational issues? Hello, Doctor. As an assistant at a dental clinic, I have seen the blue light from the light-curing machine (which is used to harden dental fillings). After that, during an eye examination, ...


Dr. Gao Pilin Reply:
Hello, Yuanzi: 1. Will exposure to blue light worsen this condition? Answer: It should not, as this blue light is likely just LED blue visible light. 2. What factors might increase or decrease the appearance of spots? Answer: If there is corneal abrasion, keeping the cornea m...

[Read More] Understanding Corneal Dystrophy: Impact of Blue Light and Patient Education


Post-Cataract Surgery: Addressing Pain and Vision Issues

Post-cataract surgery Hello, doctor. I would like to ask you a question. My father just had cataract surgery a few days ago. After returning home on the same day, he started experiencing severe eye pain. He immediately went back for a follow-up, and the doctor mentioned that some...


Dr. Gao Pilin Reply:
Hello, Xiao Zhou: During cataract extraction, there may be many tiny fragments that are sometimes difficult to detect with the naked eye, which can obstruct aqueous humor drainage. This may lead to a temporary increase in intraocular pressure and postoperative inflammation, both ...

[Read More] Post-Cataract Surgery: Addressing Pain and Vision Issues


Understanding Eye Pain and Tearing: Causes and Solutions

Tearing and eye pain? Hello Doctor, I have some recent issues with my eyes that I need to consult you about. Recently, when I apply eye drops or yawn, I experience a prickling and burning sensation in the corner of my eye (near the bridge of my nose). This prickling and burning s...


Dr. Gao Pilin Reply:
Hello, Lu Lu: 1. Does the prickly and burning sensation indicate that there is a problem with my eyes? Answer: Sometimes, when there is inflammation, the conjunctiva becomes more sensitive, and tears and medications can be a bit irritating, which is not a concern. 2. Why do I...

[Read More] Understanding Eye Pain and Tearing: Causes and Solutions


Understanding Eye Blood Vessels: Are They a Cause for Concern?

Is there a relationship with blood streaks? Hello, doctor. I usually wear contact lenses two to three days a week, for about 8 hours each time. I have an eye examination every year, and I undergo optical coherence tomography and visual field tests every two years. My intraocular ...


Dr. Gao Pilin Reply:
Hello, A-Hsing: Based on your description, it seems to be normal vascular tissue on the conjunctiva. There are many microvessels in the conjunctiva, and when the eyes feel uncomfortable, these vessels can become engorged, making the eyes appear red. There is no need to worry abou...

[Read More] Understanding Eye Blood Vessels: Are They a Cause for Concern?


Understanding Inner Eye Pain: Causes and Concerns After Conjunctivitis

Pain in the inner corner of the left eye? Hello, doctor. Last week, I was diagnosed with conjunctivitis and a corneal abrasion in my right eye. Currently, my left eye was also diagnosed with conjunctivitis and a corneal abrasion on Monday. However, for the past 2-3 days, I have b...


Dr. Gao Pilin Reply:
Hello, Xuan: Based on your description, it is possible that your left eye has conjunctivitis similar to your right eye, and the stinging sensation in the inner corner of your eye is a symptom of conjunctivitis. Please follow your physician's instructions regarding medication...

[Read More] Understanding Inner Eye Pain: Causes and Concerns After Conjunctivitis


Understanding Fungal Keratitis: Risks and Treatment After Eye Injury

Fungal keratitis I was walking in an alley and had to dodge the hot air from an outdoor unit for a short distance. I confirmed that there were no cars around, so I intentionally closed my eyes for 10 seconds. However, due to the dim lighting, I didn't notice and bumped into ...


Dr. Gao Pilin Reply:
Hello: If the cornea is not scratched, it is unlikely to be infected by fungi. If it is scratched, the eye will be very painful and may not open, with excessive tearing. Since there is currently no discomfort in the eye, the chance of infection is very low! Gentamicin is ineffect...

[Read More] Understanding Fungal Keratitis: Risks and Treatment After Eye Injury


Impact of Welding Flash on Retinal Health: Risks and Recovery

The effects of arc welding flash on the retina? Hello Doctor: I have high myopia (left eye -775, right eye -650) and experience floaters. I work in a factory and occasionally come into contact with welding-related tasks. This afternoon, while working, I accidentally looked direct...


Dr. Gao Pilin Reply:
Hello, Ashu: 1. The ultraviolet rays generated during welding can more easily cause damage to the cornea, but there should be no significant harm to the retina in a short period of exposure. 2. The black shadow experienced at that moment is due to the metabolism of rhodopsin in ...

[Read More] Impact of Welding Flash on Retinal Health: Risks and Recovery


Understanding Corneal Issues: Why Morning Vision is Blurry and Solutions

Corneal issues I wear orthokeratology lenses while sleeping at night, but when I wake up in the morning, my vision is blurry both for near and far distances. This condition usually improves significantly by the afternoon, especially after taking a nap, when my vision becomes more...


Dr. Gao Pilin Reply:
Hello Ying: Based on your description, it seems that the prescription for your orthokeratology lenses may not be suitable. It is likely that the prescription is too strong, causing you to experience some degree of hyperopia. Therefore, when you first remove the lenses, both dista...

[Read More] Understanding Corneal Issues: Why Morning Vision is Blurry and Solutions


Sudden Increase in Astigmatism: Should You Worry About Keratoconus?

Sudden increase in astigmatism? Dear Doctor, In the past four months (from the end of December last year to the end of April this year), my left eye's astigmatism has increased from 125 degrees (without dilation) to 175 degrees (after dilation). At that time, the doctor men...


Dr. Gao Pilin Reply:
Hello: A 50-degree discrepancy is within a reasonable range and can be monitored. Moreover, the K value represents the condition of the cornea; if it hasn't changed, it indicates that the corneal curvature hasn't changed, which is not characteristic of keratoconus. Addi...

[Read More] Sudden Increase in Astigmatism: Should You Worry About Keratoconus?


Understanding Eye Discomfort and Brightness Perception Issues

Foreign body sensation in the eyes and issues with visual brightness? Hello Dr. Tsai, I have a few questions I would like to ask you: 1. For the past six months, I have frequently felt a foreign body sensation in my left or right eye. When I look in the mirror, I notice some oi...


Dr. Cai Wenyuan Reply:
Hello, 1. It is best to follow the physician's instructions. 2. No. 3. There should be no issues. Wishing you peace and good health. Sincerely, Dr. Cai Wenyuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

[Read More] Understanding Eye Discomfort and Brightness Perception Issues


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