Astigmatism, Ophthalmology FAQ - Page 23

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Understanding Blurred Vision: Symptoms and When to See an Eye Doctor

Blurred vision? If your vision is blurry for both distant and near objects, and it feels like everything is doubled, especially when you take off your glasses, this could indicate a condition known as diplopia (double vision). The fact that resting your eyes sometimes helps, but ...


Dr. Gao Pilin Reply:
Hello, Ah Zhan: Based on your description, seeing double while wearing glasses could be due to two reasons. First, it may be related to your prescription, as astigmatism can cause such symptoms. Second, there might be an issue with strabismus, which can manifest after prolonged e...

[Read More] Understanding Blurred Vision: Symptoms and When to See an Eye Doctor


Understanding Pseudomyopia: Accurate Measurements and Eyewear Needs

Adult pseudomyopia Hello, doctor. I am a 20-year-old university student. Recently, I had an eye exam at an optical shop, and my prescription was -1.50 diopters for the left eye and -2.75 diopters for the right eye, with both eyes having 0.50 diopters of astigmatism. Five days lat...


Dr. Liang Ce Reply:
I recommend that you discuss the above situation with your attending physician to determine if further examinations are necessary. Thank you, and wishing you good health!

[Read More] Understanding Pseudomyopia: Accurate Measurements and Eyewear Needs


Understanding Dry Eye Syndrome: Symptoms, Causes, and Treatment Options

Dry Eye Syndrome Issues Hello, Dr. Gao. I apologize for the interruption, but I have a few questions: 1. My eyes occasionally become blurry after blinking, but they clear up after I blink again. This happens repeatedly, and I sometimes notice a white, thick discharge from my ey...


Dr. Gao Pilin Reply:
Hello JAY: 1. It is possible, but eye discharge can also cause this phenomenon. 2. Usually not, but it is possible that discharge could lead to double vision. 3. It could be astigmatism; that’s how it manifests. When using a phone positioned lower, the eyelid can press on the cor...

[Read More] Understanding Dry Eye Syndrome: Symptoms, Causes, and Treatment Options


Understanding High Astigmatism in Children: Vision Correction Challenges

High astigmatism in children and vision correction issues? Hello, doctor. My son is almost eight years old. Last June, during a visit to the clinic, we discovered he has high astigmatism in both eyes at 200 degrees. Previously, his vision tests showed normal results (1.0), so we ...


Dr. Gao Pilin Reply:
Hello Kelvin: 1. The visual acuity is measured with correction; the uncorrected vision is less important. As long as you have clear vision while wearing glasses, that is considered normal, and you don't need to worry about uncorrected vision. 2. If the corrected visual acuit...

[Read More] Understanding High Astigmatism in Children: Vision Correction Challenges


Understanding Dark and Yellow Vision in High Myopia: Causes and Solutions

The left eye sees things as dark and yellow, and the small print on packaging is unclear? Hello Doctor: I am 24 years old and have high myopia in both eyes, with the right eye at -950 and the left eye at -750 (both eyes have astigmatism of 200-250). I have had retinal laser treat...


Dr. Gao Pilin Reply:
Hello Krystal: Currently, it does not appear to be macular degeneration, and if there were any issues, the physician would inform you. Regular check-ups will allow for early detection of any lesions. As for the differences in visual acuity, color perception, and brightness betwee...

[Read More] Understanding Dark and Yellow Vision in High Myopia: Causes and Solutions


Understanding the Risks of Vaccines for Retinal Health: Expert Insights

Retinal issues? Hello Director Gao, I received your reply, thank you. Here’s the situation: I previously saw news reports that the AZ vaccine could cause blood clots. There was a flight attendant who developed retinal issues and blurred vision after receiving it. I have also seen...


Dr. Gao Pilin Reply:
Thank you, hello: The occurrence of thrombosis is not related to the retina. Individuals who experience thrombosis do not necessarily have retinal diseases. Therefore, while there is a possibility of developing thrombosis after receiving the AZ vaccine, the risk is low. However, ...

[Read More] Understanding the Risks of Vaccines for Retinal Health: Expert Insights


Understanding Eye Issues: Bright Lights and Glare with High Myopia

Eye problems Recently, I have been noticing that the sunlight, streetlights, and traffic lights appear brighter in the early morning and evening. At night, when I look at the streetlights, I see a slight halo around them. What could be the reason for this, considering I have myop...


Dr. Gao Pilin Reply:
Hello, Ah Pao: It could be an issue with your prescription; sometimes astigmatism can cause such phenomena. If your pupils are larger in the morning or evening, that might also contribute to this. Online answers can only serve as a reference; it is essential to seek medical atten...

[Read More] Understanding Eye Issues: Bright Lights and Glare with High Myopia


COVID-19 Vaccines and Retinal Health: What You Need to Know

Retinal issues? Dear Director Gao, Due to the severe pandemic situation, the government is currently encouraging everyone to get vaccinated against COVID-19. There are various brands of COVID-19 vaccines available. I have a concern regarding my eyes: I have a retinal tear and ha...


Dr. Gao Pilin Reply:
Thank you. Currently, there are no reports of vaccines harming the retina, and there are no mentions of retinal issues in the contraindications. Your situation is not listed among the contraindications. If assessed by a physician and deemed appropriate, you should be able to rece...

[Read More] COVID-19 Vaccines and Retinal Health: What You Need to Know


Understanding Diplopia: Treatment Options and Causes Explained

Treatment for Diplopia (Double Vision) Hello Dr. Liang, I would like to ask you about whether individuals with diplopia can wear contact lenses to address the issue of mismatched focal distances between old glasses and the current condition of both eyes. What type of surgery coul...


Dr. Liang Ce Reply:
It is recommended that you discuss the above situation further with your attending physician to determine if any additional examinations are necessary. Thank you, and wishing you good health!

[Read More] Understanding Diplopia: Treatment Options and Causes Explained


Understanding Monocular Diplopia: Causes and Solutions for Right Eye Issues

Monocular diplopia in the right eye? Hello, doctor! After I entered military service at Chenggong Ridge around March, I noticed that at night, when looking at lights or light sources (like the moon or streetlights), they appeared to scatter, and I experienced photophobia. At that...


Dr. Gao Pilin Reply:
Hello, Nantou conscript: Common causes of monocular diplopia include refractive errors, especially astigmatism, corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. Based on your description, it is likely due to previous corneal inflammation t...

[Read More] Understanding Monocular Diplopia: Causes and Solutions for Right Eye Issues


Understanding Visual Disturbances: Occasional Blurriness While Reading

Eye issues: occasionally experiencing spots while focusing on a book? When staring at a book, I sometimes notice dots (.) and when driving, I focus on the license plate in front, for example, ABC-123, paying particular attention to the C and 1. The lines sometimes appear and some...


Dr. Cai Wenyuan Reply:
Observe the symptoms, and if they persist, it is recommended to seek medical evaluation.

[Read More] Understanding Visual Disturbances: Occasional Blurriness While Reading


Understanding Double Vision: Causes and Solutions for Eye Strain

Diplopia issues Hello, doctor. Recently, I have noticed that after using my phone, I experience monocular diplopia in both eyes. The diplopia manifests as vertical double vision. After sufficient rest, both eyes return to normal; however, if I continue to use my phone without int...


Dr. Gao Pilin Reply:
Hello: Common causes of monocular diplopia include refractive errors, particularly astigmatism, corneal disorders, cataracts, lens dislocation, iris atrophy, and vitreoretinal diseases. Based on your description, astigmatism is likely the most probable cause. When using a mobile ...

[Read More] Understanding Double Vision: Causes and Solutions for Eye Strain


Understanding Strabismus: Key Differences and Symptoms Explained

Diplopia Issue 2 Hello Doctor, I am the one who inquired about green tea yesterday. Thank you for your response. I still have some unclear points regarding your reply, and I apologize for bothering you again! I appreciate your hard work. 1. What is the difference between latent ...


Dr. Gao Pilin Reply:
Hello, Green Tea: 1. Latent strabismus simply means that it is not noticeable during normal viewing; the individual can exert effort to align their eyes properly, but when fatigued or not focusing, the strabismus becomes apparent. True strabismus, on the other hand, is when the...

[Read More] Understanding Strabismus: Key Differences and Symptoms Explained


Understanding Long-Term Double Vision: Causes and Solutions

The issue of long-term double vision? Hello, Dr. Kao. I have a question I would like to ask you. I started experiencing double vision in February, and after visiting an ophthalmologist, they said there was no issue. However, the symptoms still occur intermittently, usually more f...


Dr. Gao Pilin Reply:
Hello, Green Tea: Double vision is more likely to occur at night, usually caused by latent strabismus. When you are fatigued in the evening, the strabismus becomes apparent, leading to diplopia. Diplopia caused by brain issues should not fluctuate. If the double vision occurs in ...

[Read More] Understanding Long-Term Double Vision: Causes and Solutions


Understanding Myopia and Amblyopia in Young Children: Key Insights for Parents

Unilateral high myopia Hello Doctor, my daughter is 5 and a half years old. After failing the vision screening at school, I took her to an ophthalmology clinic for an eye exam, where it was found that she has -7.50 diopters of myopia and -0.75 diopters of astigmatism in her left ...


Dr. Cai Wenyuan Reply:
It may be amblyopia, and occlusion therapy should be implemented.

[Read More] Understanding Myopia and Amblyopia in Young Children: Key Insights for Parents


Understanding Myopia and Genetic Risks for Future Children

Myopia degree and genetic issues? Hello, Doctor. I have been nearsighted since the second grade, with an initial prescription of around 200 degrees, accompanied by astigmatism. I have always loved reading, especially dense texts, and books have been my constant companion! Current...


Dr. Gao Pilin Reply:
Hello: Based on your description, both you and your boyfriend's myopia is likely acquired. If your future children pay attention to eye care, they may not necessarily develop high myopia. If the degree of myopia is 600, and the retina is healthy, the risk of complications in...

[Read More] Understanding Myopia and Genetic Risks for Future Children


Understanding Vision Changes with New Glasses: Is Blurriness Normal?

Eyeglasses issues? Hello doctor, I recently got a new pair of glasses with the same prescription as my old ones: -7.00 for the right eye and -6.00 for the left eye, with an additional astigmatism of 25 degrees. I switched to blue-green lenses, and the frame shape changed from a n...


Dr. He Jianxian Reply:
Hello Lily: I cannot explain the phenomenon you are experiencing. Logically, with the same prescription, there should not be any different reactions. Director He Jianxian, Ophthalmology Department, Nantou Hospital.

[Read More] Understanding Vision Changes with New Glasses: Is Blurriness Normal?


Understanding Sudden Astigmatism Increase and Floaters: When to Seek Further Care

Short-term worsening of astigmatism accompanied by symptoms of floaters? Hello, doctor. In the past, my astigmatism was around 100 degrees, and it didn't affect my daily life. However, over the past year, I've noticed symptoms of astigmatism, such as experiencing glare ...


Dr. He Jianxian Reply:
Astigmatism generally does not change significantly unless there has been eye surgery or frequent rubbing of the eyes. If astigmatism continues to increase, it is indeed necessary to investigate the underlying causes. This is for your reference. Dr. Ho Chien-Hsien, Department of ...

[Read More] Understanding Sudden Astigmatism Increase and Floaters: When to Seek Further Care


Why Do I Hear Sounds When Moving My Eyes Side to Side?

Hearing sounds when moving the eyes side to side? Hello Doctor: I have noticed that when I move my eyes to the left and right, I hear a "crackling sound" in my ears. I tested moving my eyes up and down, and there is no sound. I have myopia of about 800 degrees and astig...


Dr. Gao Pilin Reply:
Hello Ms. Li: The sound you may be hearing could be due to muscle movement and tissue friction, which is normal. At the E-Hospital in Puzi, Taiwan, the ophthalmology department is open on Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, and on Wednesday af...

[Read More] Why Do I Hear Sounds When Moving My Eyes Side to Side?


Understanding Visual Disturbances: Flashes, Floaters, and Eye Health Concerns

Frequent fixed bright spots or black dots in the eyes, along with flashes of light, may indicate enhanced scintillating scotoma? Hello Dr. Gao, I apologize for disturbing you during your busy schedule. I have read many of your responses to different patients and noticed that you ...


Dr. Gao Pilin Reply:
Hello, 1. It could be vitreous floaters. 2. It might be photopsia. 3. Under strong light, this can happen. 4. It could be vitreous degeneration. 5. Macular degeneration does not go away, so it is not that; if the examination is normal, there is no need to worry too much. 6...

[Read More] Understanding Visual Disturbances: Flashes, Floaters, and Eye Health Concerns


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