Cornea, Ophthalmology FAQ - Page 16

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Managing Long-Term Effects of Acute Conjunctivitis on Vision

Post-acute conjunctivitis sequelae Doctor, after I developed acute conjunctivitis last year, I have residual effects on my cornea, resulting in white spots that blur my vision. The white spots disappear with steroid eye drops, but they reappear once I stop the medication. This ha...


Dr. Gao Pilin Reply:
Hello, Ms. Li: This type of keratitis should be treated with corticosteroids. Corticosteroids are not antibiotics and do not lead to antibiotic resistance. If there is no elevated intraocular pressure during follow-up visits, it typically will not cause glaucoma. You can return f...

[Read More] Managing Long-Term Effects of Acute Conjunctivitis on Vision


Understanding Visual Disturbances: Dark and Light Stripes in High Myopia

Seeing a striped image with alternating dark and light bands? Hello Doctor: I have high myopia and dry eye syndrome, and I wear glasses with prisms. This week, I experienced two episodes where, while looking at my phone or TV, my vision suddenly showed alternating dark and bright...


Dr. Gao Pilin Reply:
Hello Yuna: If the symptoms improve after blinking, it is likely not a physical injury. It may be caused by something similar to vitreous floaters or foreign bodies or secretions on the cornea. The two small black spots moving could also resemble the condition of floaters. Theref...

[Read More] Understanding Visual Disturbances: Dark and Light Stripes in High Myopia


Understanding Retinal Tears and Corneal Injuries: Causes and Concerns

Retinal tear, corneal wound? About 6-7 years ago, I experienced eye fatigue and often pressed my palms against my eyes. On one occasion, this caused a brief pain in my eyes and a sudden increase in floaters. Afterward, I consulted a doctor and discovered several holes in both of ...


Dr. Gao Pilin Reply:
Hello ChiaWei: Applying pressure to both eyes with your palms can sometimes lead to difficulty in controlling the appropriate force, which may cause pressure on the eyeballs and potentially lead to retinal tears. However, it is also possible that the peripheral retina is inherent...

[Read More] Understanding Retinal Tears and Corneal Injuries: Causes and Concerns


Understanding Potential Glaucoma Symptoms After Vaccination: A Patient's Journey

Suspected glaucoma Hello, I recently received a vaccine and started experiencing eye swelling and pain the day after. I frequently visited an ophthalmologist, and my intraocular pressure peaked at around 24 to 25 mmHg. It was later discovered that sinusitis was causing the eye di...


Dr. Gao Pilin Reply:
Hello, Ah Miao: Your cornea is slightly thick, and both your visual field test and fundus examination are normal, so the doctor will monitor your condition for now. This is not a concern. Eye strain and fatigue are usually caused by excessive use of the eyes. Spending six hours a...

[Read More] Understanding Potential Glaucoma Symptoms After Vaccination: A Patient's Journey


Understanding Starbursts and Halos: Insights on Eye Symptoms

Seeing starbursts around lights? Hello, doctor. I have floaters, and two weeks ago I noticed that when I look at lights, I see starbursts, halos, and rainbow vision (which appears droplet-shaped). I researched online and found that some doctors say this is caused by vitreous pull...


Dr. He Jianxian Reply:
Your condition does not appear to be caused by retinal traction; it seems more likely to be related to corneal abrasion or erosion caused by wearing orthokeratology lenses. It is recommended to stop wearing them for a while. If there is no improvement at all, it is advisable to r...

[Read More] Understanding Starbursts and Halos: Insights on Eye Symptoms


Can High Eye Pressure Measurements Cause Corneal Perforation?

Intraocular pressure causing corneal perforation? I went to the hospital to measure my intraocular pressure, and for some reason, it led to a corneal perforation. They used a traditional applanation tonometer, and I remember it being done multiple times. I did not have any cornea...


Dr. Gao Pilin Reply:
Hello Mr. Huang: The air puff tonometer should not cause corneal perforation. Corneal perforation typically occurs due to infectious ulcers, sharp object injuries, or significant external trauma.

[Read More] Can High Eye Pressure Measurements Cause Corneal Perforation?


Post-Retinal Surgery: Understanding Eye Pressure Measurements and Risks

Post-retinal surgery I underwent right eye retinal detachment repair surgery with vitrectomy on February 5. My follow-up medical records show that on January 27, the average intraocular pressure (IOP) of my right eye was 14.4 mmHg. Postoperatively, on February 17, the average IOP...


Dr. Gao Pilin Reply:
Hello David: 1. Measuring intraocular pressure should not cause retinal detachment. 2. It is not possible to determine if there was improper technique. The inability to obtain a reading may be due to poor corneal condition or excessively high intraocular pressure.

[Read More] Post-Retinal Surgery: Understanding Eye Pressure Measurements and Risks


Understanding Increased Myopia and Astigmatism: When to Seek Further Evaluation

Increased myopia/astigmatism? Hello Doctor, I am a 29-year-old female who has been nearsighted since childhood. My current glasses were prescribed about a year and a half ago, with measurements of -10.50 in the left eye and -9.25 in the right eye, both with -1.00 astigmatism. The...


Dr. Gao Pilin Reply:
Hello, Miss P: Based on your description, it is possible that your eye alignment is slightly off, which may be causing difficulty in focusing. Your degree of disparity is not significant, so there shouldn't be any major issues with focusing. I recommend checking for any stra...

[Read More] Understanding Increased Myopia and Astigmatism: When to Seek Further Evaluation


Understanding Glare Issues After Vitreous Detachment: Causes and Solutions

Glare issues Hello, I developed floaters two months ago and had my retina examined after dilation, which showed no issues. However, I have recently started experiencing glare at night (which I didn't have before). My myopia in both eyes is approximately -3.50 diopters. I wou...


Dr. Gao Pilin Reply:
Hello Miss Lin: Typically, issues with the vitreous body do not cause glare. Problems related to refractive errors, the cornea, or the lens are more likely to result in such symptoms. It is advisable to have an eye examination.

[Read More] Understanding Glare Issues After Vitreous Detachment: Causes and Solutions


Understanding Blurry Vision and Black Spots in Your Right Eye

Blurred vision in the right eye? Thank you, Dr. Gao, for your prompt response regarding the issue of seeing a fixed black line in my right eye since I woke up on October 9. I have another concern I would like to ask you about. I have very dry eyes, and on October 11, I went to th...


Dr. Gao Pilin Reply:
Hello, Yuna: Applying ointment before bedtime may cause residual ointment on the cornea, leading to this effect. Blinking will help distribute the ointment evenly, and it should return to normal. There should be no cause for concern.

[Read More] Understanding Blurry Vision and Black Spots in Your Right Eye


Understanding Rainbow Vision: Causes and Implications for Eye Health

Rainbow vision issues Hello, I have ocular hypertension and have been using Combigan eye drops. I have undergone two visual field tests in the past six months (the last one was in early September), and my doctor informed me that my condition is stable and there is no diagnosis of...


Dr. Gao Pilin Reply:
Hello: Halo vision is just a symptom; sometimes corneal edema and corneal deposits can cause halos. Astigmatism can also create glare, which may not be colorful. The halo appears around the light source, so there should be as many halos as there are light sources. During the day,...

[Read More] Understanding Rainbow Vision: Causes and Implications for Eye Health


Understanding Double Vision: When to Seek Eye Care for Overlapping Text

Recently, I have been experiencing issues with my left eye, and I'm not sure if it should be classified as double vision or diplopia? In my left eye, the black background with white text is most pronounced. There is a line of text followed by a line of smaller text that over...


Dr. Gao Pilin Reply:
Hello Mr. Li: This situation is likely caused by astigmatism. When you tilt your head down or exert a bit of force with your left eye, it may be compressing the cornea to counteract the astigmatism. In this case, wearing appropriate astigmatism glasses should suffice; however, as...

[Read More] Understanding Double Vision: When to Seek Eye Care for Overlapping Text


Understanding the Accuracy of Computerized Eye Exams for Children

The accuracy issues of computer-based vision testing? Hello Doctor, thank you for your response! I took my child to the ophthalmology clinic for an examination, where they performed a fundus examination, OCT, and slit lamp examination. I informed the clinic doctor about my child&...


Dr. Gao Pilin Reply:
Hello, regarding your questions: 1. If the pupils are dilated and do not respond to light, there is no need to administer drops. 2. The refractive error is quite similar; the equivalent spherical power calculated from the right eye +50 astigmatism -250 and -25 astigmatism -200 is...

[Read More] Understanding the Accuracy of Computerized Eye Exams for Children


Understanding Amblyopia: Symptoms, Diagnosis, and Treatment Options for Children

Amblyopia issues? Hello, Doctor. Thank you for your patient responses to my questions! I previously inquired about my child's eye issues, and I would like to ask you a few more questions. Hello, Doctor. Thank you for your prompt reply last night! I would like to ask you a f...


Dr. Gao Pilin Reply:
Hello, regarding your inquiries: 1. A corneal topography can be performed, but there is mild astigmatism, which is less pronounced. 2. Previously, vision was between 0.9 and 1.0, and there is still a possibility of recovery, but it requires wearing the correct prescription glasse...

[Read More] Understanding Amblyopia: Symptoms, Diagnosis, and Treatment Options for Children


Understanding Eye Halos: Normal Phenomenon or Glaucoma Warning?

Ocular halo I previously had high intraocular pressure and underwent a visual field test, which the doctor said was normal. Recently, I noticed that when I looked at a white light bulb, there was a ring of red and blue light around the outer edge of the bulb. Is this a normal phe...


Dr. Gao Pilin Reply:
Hello Alex: Seeing halos may be caused by corneal edema or eye discharge. Halos caused by glaucoma are due to elevated intraocular pressure leading to corneal edema, so it is advisable to check for signs of elevated intraocular pressure.

[Read More] Understanding Eye Halos: Normal Phenomenon or Glaucoma Warning?


Understanding Astigmatism: Causes, Symptoms, and Treatment Options

Causes of worsening astigmatism? 1. Is rubbing the eyes a cause of keratoconus? 2. If astigmatism deepens to around 300 degrees, is it definitely keratoconus, or could there be other causes? 3. How long does it typically take to adapt to wearing glasses for astigmatism? 4. ...


Dr. Gao Pilin Reply:
Hello, 1. It is possible, but generally, rubbing the eyes does not cause this unless it is done with excessive force and over a long period. Please refer to: https://bit.ly/2XQEUMi 2. Not necessarily; it could simply be astigmatism. 3. Typically, with the appropriate prescrip...

[Read More] Understanding Astigmatism: Causes, Symptoms, and Treatment Options


Is It Normal for Artificial Tears to Cause Eye Pain?

Artificial tears for dry eye syndrome? A few months ago, I visited a clinic where the doctor prescribed artificial tears. This week, when I use the artificial tears, my eyes sometimes feel a stinging sensation. Is this normal?


Dr. Gao Pilin Reply:
Hello Ah Hao: Artificial tears generally do not cause a stinging sensation. However, if there is inflammation in the eye, corneal injury, or other abnormal conditions, a stinging sensation may occur. It is advisable for you to have it checked.

[Read More] Is It Normal for Artificial Tears to Cause Eye Pain?


Is It Normal for Artificial Tears to Cause Eye Pain?

Artificial tears for dry eye syndrome? A few months ago, I visited a clinic where the doctor prescribed artificial tears. This past week, when I use the artificial tears, my eyes sometimes feel a stinging sensation. Is this normal?


Dr. Gao Pilin Reply:
Hello Ah Hao: Artificial tears generally do not cause a stinging sensation, but if there is inflammation in the eyes, corneal injury, or other abnormal conditions, a stinging sensation may occur. It is advisable to have it checked.

[Read More] Is It Normal for Artificial Tears to Cause Eye Pain?


Understanding Astigmatism: Key Questions and Insights for Patients

High astigmatism 1. After performing a corneal topography and confirming there are no issues, can we be 100% certain that there is no keratoconus, or are additional tests required? 2. If keratoconus develops later in life, will the progression be less severe? 3. Is it common ...


Dr. Gao Pilin Reply:
Hello, Wu Yan: 1. At least for now, there are no issues, but further examinations will be needed in the future. 2. It should be about the same. 3. If there are no diseases, it should not increase significantly. 4. Corneal disorders can cause astigmatism. 5. Glasses can be prescri...

[Read More] Understanding Astigmatism: Key Questions and Insights for Patients


Understanding Eye Health: Corneal Issues and High Eye Pressure Concerns

Optic nerve examination Hello, Doctor. 1. I was lying down at midnight when my phone rang, and later the corner of the phone hit my eye, which still hurts the next day. The doctor at the clinic examined me and said there was corneal abrasion, but there were no signs of bleeding...


Dr. Gao Pilin Reply:
Hello, Avi: 1. For a corneal abrasion, if you rest and keep your eyes closed, it should heal quickly. 2. If the intraocular pressure is very high and there is degeneration of the optic nerve, you should have regular follow-up appointments. If necessary, the doctor will prescribe ...

[Read More] Understanding Eye Health: Corneal Issues and High Eye Pressure Concerns


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