Astigmatism, Ophthalmology FAQ - Page 12

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Post-Retinal Detachment Surgery: Eye Care Tips for Vision Recovery

Post-operative recommendations for eye care during the recovery period after retinal detachment surgery? Hello, Doctor. Current status: (Surgical eye is the right eye) The right eye underwent retinal detachment surgery about 1.5 months ago (scleral buckle under general anesthesia...


Dr. Cai Wenyuan Reply:
The prescription should not increase; it's better to rest more.

[Read More] Post-Retinal Detachment Surgery: Eye Care Tips for Vision Recovery


Seeing Shadows After Waking: Understanding Visual Disturbances

Seeing moving objects with shadows right after waking up? In the past two days, I suddenly noticed that when I just wake up, I see moving objects, such as when I wave my hand in front of me, there appears to be a trailing line or afterimage at the edge of my hand. However, this d...


Dr. Gao Pilin Reply:
Hello: It is possible that the background light source is discontinuous light (rapidly flickering light), such as fluorescent lights or LED lights. Because this light flickers quickly, it can cause moving objects to produce afterimages. This phenomenon does not occur under incand...

[Read More] Seeing Shadows After Waking: Understanding Visual Disturbances


Understanding Thin Optic Nerve and Astigmatism Issues in Myopia

Thinning of the optic nerve and astigmatism issues? Hello, Doctor Gao. Due to high myopia, I have been self-paying for eye examinations at an ophthalmology clinic for the past two years, with my prescription being around -7.50/-7.75. After reviewing my OCT report, I found that my...


Dr. Gao Pilin Reply:
Hello: 1. If the visual field is normal, there should be no issues. 2. Astigmatism should be corrected based on the measured degree, with clarity as the principle. 3. Regarding 4. An excessively large pupil can affect night vision; a diameter over 6mm may have an impact, but it s...

[Read More] Understanding Thin Optic Nerve and Astigmatism Issues in Myopia


Understanding Floaters and Eye Strain in High Myopia: What to Know

Is there any issue with having unilateral floaters and increased eye strain? I have high myopia, with both eyes around 700 diopters, and I also have astigmatism. Recently, I've noticed black spots in my right eye, which led me to realize that I have floaters. When I asked my...


Dr. He Jianxian Reply:
If you are experiencing an increase in eye strain, it is advisable to consult an ophthalmologist for a dilated eye exam. Sometimes, an overly high prescription can lead to fatigue when reading for extended periods or using electronic devices. - Dr. Ho Chien-Hsien, Ophthalmology D...

[Read More] Understanding Floaters and Eye Strain in High Myopia: What to Know


Can Laser Eye Surgery Be Safe for Patients with Dry Eye?

Can patients with dry eye syndrome undergo laser surgery for myopia? Hello, doctor! I am 41 years old with myopia of -3.00/-3.00 and astigmatism of -1.75/-2.00. My corneal thickness is 530 micrometers, and there are no abnormalities in the macula of my retina. I have undergone pr...


Dr. Gao Pilin Reply:
Hello: After surgery for dry eye syndrome, there may be an increased tendency for dryness. If the physician assesses that Small Incision Lenticule Extraction (SMILE) can be performed, using artificial tears appropriately after the procedure should still be feasible.

[Read More] Can Laser Eye Surgery Be Safe for Patients with Dry Eye?


Understanding Astigmatism Correction with Intraocular Lenses After Cataract Surgery

Toric intraocular lens Dear Doctor: I had cataract surgery on my right eye on October 12, 2022, and I chose a premium aspheric intraocular lens, which cost about NT$30,000. After the surgery, I still had astigmatism, and my vision was blurry for a month. During my follow-up appoi...


Dr. Gao Pilin Reply:
Hello: 1. I am not sure how the physician makes adjustments, so it would be best to consult the surgeon performing the procedure. The physician should use the method that is most suitable for you. 2. There are many variables in surgery, and the eyes can also change. Even if the e...

[Read More] Understanding Astigmatism Correction with Intraocular Lenses After Cataract Surgery


Understanding Binocular Disparity: Nighttime Vision Challenges Explained

Binocular disparity Hello, doctor. I have a significant disparity in my vision; one eye is nearsighted with a prescription of -1.25, while the other eye has normal vision. I can see clearly without glasses during the day, but at night, I experience halos around streetlights and o...


Dr. Gao Pilin Reply:
Hello: The halo effect is likely caused by the myopic eye. Although you can use the good eye for vision, the poor eye will still affect your overall eyesight. If necessary, you should consider getting glasses.

[Read More] Understanding Binocular Disparity: Nighttime Vision Challenges Explained


Understanding Eye Floaters: Causes, Symptoms, and When to Seek Help

Eye fatigue and floaters? Hello Doctor, recently I've been staying up late and using electronic devices a lot, which has made my eyes very tired. This week, when I woke up in the morning, I noticed a spot in my left eye that moves with my line of sight. The color is somewhat...


Dr. He Jianxian Reply:
The symptoms you described are more akin to floaters. It is advisable to undergo a thorough dilated fundus examination. Dr. Ho Chien-Hsien, Ophthalmology Department, Nantou Hospital.

[Read More] Understanding Eye Floaters: Causes, Symptoms, and When to Seek Help


Understanding White Light in the Corner of the Eye After Sleep

The issue of white light appearing in the corners of the eyes after sleeping? Hello, doctor. I have myopia of -1.75 diopters in both eyes, with astigmatism of -0.75 diopters in the right eye and -1.00 diopters in the left eye. Recently, after using my phone in a well-lit environm...


Dr. Gao Pilin Reply:
Hello: It is possible that the vitreous body is pulling on the retina due to changes in gravity. When the eye moves, the change in gravity may relieve the tension, causing the light to disappear.

[Read More] Understanding White Light in the Corner of the Eye After Sleep


Understanding and Treating Monocular Diplopia: Causes and Solutions

Monocular diplopia Doctor, I have double vision in my right eye. When I look with both eyes, the double vision becomes more pronounced the farther away I look. Is this condition treatable?


Dr. Gao Pilin Reply:
Hello: Monocular diplopia is likely due to refractive errors, particularly astigmatism. Other possible causes include corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. It is recommended that you visit an ophthalmologist for an examination t...

[Read More] Understanding and Treating Monocular Diplopia: Causes and Solutions


Understanding Monocular Diplopia: Causes and Next Steps

Monocular diplopia Hello doctor, I recently visited three or four medical institutions, including Cheng Kung University and clinics, but they couldn't determine the cause of my double vision in the left eye. When I look with my left eye alone, I experience double vision, and...


Dr. Gao Pilin Reply:
Hello: Monocular diplopia is likely not a neurological issue, but rather a refractive error, particularly astigmatism. Other potential causes include corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. I recommend consulting with your examini...

[Read More] Understanding Monocular Diplopia: Causes and Next Steps


Recovering Vision After Chemical Burn: Understanding Astigmatism and Treatment Options

Issues Following Chemical Burns to the Cornea Hello, doctor! My eyes suffered from a chemical burn (from nitric acid), and after undergoing amniotic membrane treatment, I am currently wearing a third amniotic membrane on my left eye, while the right eye has had the membrane remov...


Dr. Gao Pilin Reply:
Hello: The extent of the injury will determine the situation. Typically, if the cornea is injured, it will affect vision to some degree. As for the level of recovery, it depends on the extent of scarring on the cornea. Corneal reshaping lenses may not be very helpful. Please be p...

[Read More] Recovering Vision After Chemical Burn: Understanding Astigmatism and Treatment Options


Understanding Pseudomyopia: Glasses Fitting and Treatment Options

Eyeglass prescription issues? Thank you again, Dr. for your patient responses! Q1. I would like to ask the doctor how to restore my previous myopic degree if it is caused by the aging of the ciliary muscle leading to pseudomyopia? Should I use cycloplegic agents? Q2. Given my ...


Dr. Gao Pilin Reply:
Hello: 1. With age, it may not be possible to return to the original prescription even with the use of dilating agents; the previous link I provided can be referenced for more information. This prescription may remain stable. 2. Depending on your needs, you can get a prescription...

[Read More] Understanding Pseudomyopia: Glasses Fitting and Treatment Options


Understanding Monocular Myopia: Why One Eye Sees Clearly Without Glasses

Monocular myopia viewing objects? I have myopia of 150 degrees in my right eye, while my left eye can see clearly without glasses. Can you explain why this is the case? Do I need to wear glasses? Additionally, although I can see clearly without glasses, I notice that at night, wh...


Dr. Gao Pilin Reply:
Hello: Since you have no myopia in your left eye, you can see clearly at a distance with your left eye. You can wear glasses to reduce the disparity between your two eyes. Myopia can also cause similar issues. It's not a big deal.

[Read More] Understanding Monocular Myopia: Why One Eye Sees Clearly Without Glasses


Understanding Vision Changes: Common Eye Issues and Solutions at 28

Eyeglass prescription issues? Thank you, doctor, for your detailed response to question #188551. I would like to ask the following: Q1. Is it normal for my prescription to increase by 150 degrees over the past five years at my age of 28, along with astigmatism? Q2. Can eye fati...


Dr. Gao Pilin Reply:
Hello: 1. There are indeed individuals whose myopia continues to increase even after reaching adulthood. This is due to the gradual aging and decreased elasticity of the ciliary muscle, which prevents it from relaxing after dilation, resulting in unchanged measurements; however, ...

[Read More] Understanding Vision Changes: Common Eye Issues and Solutions at 28


Understanding Asymmetrical Eyelids: Causes and Solutions for Eye Issues

The eyelids exhibit a persistent asymmetry, with one appearing single and the other double? Hello, Doctor. Since childhood, I have had single eyelids and smaller eyes, and due to physical factors, I have astigmatism, hyperopia, amblyopia, and strabismus, which I am continuously c...


Dr. Gao Pilin Reply:
Hello: It should not be related to floaters. If it is truly bothersome, you might consider surgery for correction. Changing from a monolid to a double eyelid can make the eyes appear larger and more balanced. Please consult with an ophthalmic plastic surgeon for an evaluation.

[Read More] Understanding Asymmetrical Eyelids: Causes and Solutions for Eye Issues


Understanding Astigmatism Fatigue: Causes and Solutions for Eye Strain

Astigmatism-related eye fatigue correction issues? Hello Doctor, I currently have astigmatism of -3.50 in my left eye and -2.50 in my right eye, with myopia of -1.00 and -1.50, which hasn't increased in recent years. My last eye examination was three to four years ago, and i...


Dr. Gao Pilin Reply:
Hello: It could be an issue with your prescription, possibly due to a high degree of myopia, which may cause this situation. I recommend undergoing dilation and then having your vision re-evaluated for a more accurate prescription.

[Read More] Understanding Astigmatism Fatigue: Causes and Solutions for Eye Strain


Understanding Astigmatism: Concerns About Keratoconus and Eye Health

Worsening astigmatism raises concerns about keratoconus? Hello, doctor. I went to the hospital for an examination in March this year and found that my astigmatism in both eyes has increased by 100 degrees, while my myopia has not changed. According to my follow-up records, the la...


Dr. Cai Wenyuan Reply:
Astigmatism is not severe, so regular monitoring is sufficient.

[Read More] Understanding Astigmatism: Concerns About Keratoconus and Eye Health


Understanding Nighttime Ghosting in High Myopia: Causes and Solutions

In the evening, I see a double image at the bottom of the screen with a black background and white text in my left eye? Hello, Doctor. I have high myopia, with my left eye around -900 and my right eye around -700. I didn't pay much attention to it before, but a few days ago,...


Dr. Gao Pilin Reply:
Hello: This situation is likely caused by astigmatism. If there is only double vision without affecting your overall vision, it may not be necessary to change your glasses. However, if this condition impacts your vision or causes disturbances, you should consider getting new glas...

[Read More] Understanding Nighttime Ghosting in High Myopia: Causes and Solutions


Choosing the Best Option for Astigmatism Correction in Cataract Surgery

Artificial intraocular lens astigmatism Hello, Doctor. I am 50 years old and have high myopia of -1700 and -2300 diopters, with mild glaucoma. My left eye has a history of retinal neovascularization (treated with six injections, but there are still slight shadows), and I have iri...


Dr. Gao Pilin Reply:
Hello Tony: I think it would be best to consult your attending physician for advice. Both methods are viable, but the optimal choice may vary for each individual. Only your attending physician, after personally examining your condition, can provide you with the best assessment an...

[Read More] Choosing the Best Option for Astigmatism Correction in Cataract Surgery


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