Astigmatism, Ophthalmology FAQ

Understanding Amblyopia in Adults: Causes and Next Steps

Adult Amblyopia Issues Recently, when I went to a regular optical shop to get glasses, I was informed that I have a problem with amblyopia. The optometrist said that I can currently see up to 0.8 at most. Currently, my right eye has myopia of -7.25 and astigmatism of -1.75, while...

Dr. Liang Ce Reply:
It is recommended that you consult an ophthalmology clinic for a medical evaluation. Thank you, and wish you good health!

Understanding Colorful Spots in Vision: Is It Visual Afterimage or Floaters?

Seeing colored spots intermittently in the eyes? Hello, doctor. I've been experiencing this issue for the past 1 to 2 months, and it's quite bothersome. At the end of last year, I got a new pair of glasses (one lens is 600 and the other is 800) because I was having trou...

Dr. Cai Wenyuan Reply:
It may be vitreous floaters.

Understanding Visual Discomfort: Causes and Solutions for Eye Strain

Visual discomfort Sometimes, when I can't read word by word, I feel discomfort in my body. Could you please explain what visual discomfort is?

Dr. Gao Pilin Reply:
Hello: Visual discomfort may refer to symptoms of discomfort or unease when seeing text or images. This sensation can include headaches, eye strain, eye pain, dizziness, nausea, and anxiety. Such discomfort may be related to eye conditions, such as presbyopia, myopia, astigmatism...

Understanding Unilateral Blurred Vision: Causes and Next Steps

Continuation of #194311, monocular text distortion? Hello Dr. Gao: Following up on <a href="https://adoctor.tw/article/194311">#194311</a>, I went to an ophthalmology clinic for an examination, and no issues were found. I then visited an optical store to tes...

Dr. Gao Pilin Reply:
Hello: If you have already undergone examinations at an ophthalmology clinic and an optical store but still cannot identify the issue, further evaluation may be necessary to determine the cause. You can visit an academic hospital's ophthalmology department for more comprehen...

Understanding Astigmatism in Children: A Guide for Parents

My 5-year-old child has astigmatism of over 200 degrees? Hello, Director Tsai. My 5-year-old child was found to have astigmatism during a vision examination, with uncorrected vision of 0.5 in both eyes. With glasses, the right eye is 0.8 and the left eye is 0.7. The doctor mentio...

Dr. Cai Wenyuan Reply:
Amblyopia should be treated as early as possible; if there are any doubts, it is advisable to seek a second opinion from another hospital or clinic.

Understanding Visual Distortion in One Eye: Is It Astigmatism?

Monocular distortion of letters, astigmatism? Hello, Doctor Gao: When looking at computer text with both eyes, the image appears as bright and clear as when viewed with the left eye alone. However, when using only the right eye, the text becomes faint, and there is some distortio...

Dr. Gao Pilin Reply:
Hello: Your symptoms may be caused by astigmatism. Astigmatism is a visual condition that makes it difficult for the eyes to focus light in all directions, thereby affecting the quality of vision. The degree and axis of astigmatism need to be examined and corrected by an ophthalm...

Understanding Myopia Correction: Key Questions for Eye Health at 45

Correction of myopia Dear Dr. Gao, Hello. Recently, I went to get new glasses due to wear on my old pair and found the following refraction data: 7 years ago Now Left Right Left Right Myopia 650 675 ...

Dr. Gao Pilin Reply:
Hello: (1) At the age of 45, near vision gradually declines, leading to presbyopia. Therefore, the need for full correction of myopia depends on individual visual requirements and daily activities. If you need to focus on distant vision for extended periods, such as while driving...

Understanding Retinal Issues: What to Know About Floaters and Visual Disturbances

Retinal-related issues? Hello, Doctor Gao. I am a 31-year-old engineer with high myopia (both eyes over -10.00 diopters, and astigmatism over -4.00 diopters). Two days ago (March 10), I went to an ophthalmology clinic for a retinal examination. The doctor said there were currentl...

Dr. Gao Pilin Reply:
Hello: 1. Floaters are a common ophthalmic condition that causes you to see images resembling small flying insects in your field of vision. When a doctor mentions that "floaters have increased," it typically refers to these images becoming more prominent or appearing ...

Understanding Strabismus: Severity, Treatment Options, and Military Eligibility

Strabismus issues Hello, Doctor Gao: I apologize for bothering you again. Today I went to see a doctor and was diagnosed with strabismus. The doctor mentioned that I have 50 degrees of strabismus when looking up close and 30 degrees when looking far away. I would like to ask if t...

Dr. Gao Pilin Reply:
Hello: A 50 prism diopter is considered a significant angle, but the doctor mentioned that your control is quite good, which means you can rely on your own strength to align your eyes back to the proper position. However, when you are fatigued, you may experience strabismus. If i...

Understanding Retinopathy of Prematurity: Symptoms and Concerns Explained

Retinopathy of Prematurity (ROP) 1. I have retinopathy of prematurity, amblyopia (one eye 0.3, one eye no light perception), high myopia (over 500 degrees), high astigmatism, nystagmus, and visual field loss. For the past few months, I have been experiencing curved yellow-green f...

Dr. He Jianxian Reply:
1. I cannot understand your description; please consult directly at the ophthalmology outpatient clinic. 2. The visual condition associated with nystagmus is different from that of the general population; what you are seeing may indeed be caused by the nystagmus, but I cannot be...

Understanding Retinal Health: Risks and Precautions After Eye Trauma

Retinal issues Hello Doctor: Due to my high myopia and astigmatism (both eyes -1000, astigmatism -400), I had a retinal examination a few days ago at the age of 31. The doctor said my retinal condition is normal, but the peripheral retina has become thinner, and I was advised to ...

Dr. Gao Pilin Reply:
Hello: Your eye condition has progressed to high myopia and astigmatism, and the peripheral retina has become thinner. Therefore, any impact to the head should be taken seriously. Head trauma can lead to retinal detachment, especially if there are pre-existing issues with your ey...

Preoperative Cataract Assessments: Understanding Costs and Options

Preoperative Examination for Cataract Surgery Hello, Doctor: 1) At the beginning of this month, I took my father to the ophthalmology outpatient clinic at Taipei Veterans General Hospital for visual field testing and optical coherence tomography (OCT). After the examinations, he...

Dr. Gao Pilin Reply:
Hello: 1. The cloud-based data sharing only includes medication information used within the past three months; examination results and other aspects are not shared. Therefore, each medical institution needs to conduct these examinations preoperatively, and results from other lo...

Understanding Strabismus: Is It Due to High Astigmatism or True Misalignment?

Strabismus issues? Hello, Doctor Gao: My right eye has a myopia of 100 degrees and astigmatism of 375 degrees, while my left eye has a myopia of 225 degrees and astigmatism of 75 degrees. Generally, I can see clearly with both eyes when looking at distant objects, and I can see w...

Dr. Gao Pilin Reply:
Hello: Based on your description, when looking at nearby objects, your right eye tends to drift outward, which may indicate insufficient convergence of the eye, possibly due to latent exotropia. The action of the medial rectus muscle is weaker than that of the lateral rectus musc...

Understanding Gray Floaters in One Eye: Causes and Solutions

Seeing gray, patchy objects in the eye? Hello: This situation has occurred three times, but there is no fixed pattern; the three occurrences did not happen in the same year. I have myopia and astigmatism, but it is not high myopia. The symptoms appear in one eye at a time, either...

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

Experiencing Visual Disturbances After COVID-19 Recovery: What to Know

Objects appear to be slightly shaking? Hello Doctor, I recently tested positive for COVID-19 and after recovering for a week, I started to experience slight lateral movement in my vision, making it difficult to focus, especially when looking at screens. My symptoms are not episod...

Dr. Gao Pilin Reply:
Hello: 1. There is a possibility, but further examination and evaluation are needed to confirm. If you have experienced head trauma, a stroke, or brain surgery, it could potentially lead to nerve damage or sequelae that may affect the visual system. However, it cannot be determin...

Choosing the Right Daily Contact Lenses: Curvature vs. Prescription Factors

Contact Lens Wear Hello, Doctor. I previously wore contact lenses for just one day, but one of them fell out midway, and I'm unsure if it was due to dry eyes or another issue. When I got my glasses, I was informed that my corneal curvature is steeper than average, and the da...

Dr. Liang Ce Reply:
It is recommended that you consult an ophthalmologist. Thank you, and wish you good health!

Understanding Floaters: Causes, Concerns, and Management Tips

Floaters (vitreous floaters) Hello Doctor, I previously had an eye examination where the doctor administered a dilating agent. After the examination, the doctor said everything was fine. However, when I checked the health insurance translation service, it mentioned bilateral vitr...

Dr. Gao Pilin Reply:
Hello: 1. Suddenly seeing black spots may be a symptom of floaters, which are typically caused by debris or fibrous objects within the vitreous humor of the eye. If this occurs only occasionally and does not significantly affect vision, it usually does not pose a serious threat t...

Understanding Post-Cataract Surgery Discomfort: Causes and Treatment Options

Possible reasons for discomfort after cataract surgery include inflammation, infection, or improper healing. It is also possible to perform different surgical techniques on each eye, but this should be discussed with your ophthalmologist to ensure the best outcomes for both eyes?...

Dr. Gao Pilin Reply:
Hello: 1. The most likely causes of the postoperative eye condition could be corneal edema, macular edema, or other underlying issues such as amblyopia or other pathologies. 2. The choice of surgical combination techniques may need to be discussed with the surgeon, as it is impor...

Understanding Blurry Vision: Causes and Solutions for Eye Discomfort

Blurred vision Hello Doctor, I have been experiencing discomfort in my eyes lately, especially in my right eye, which feels a bit dry and has a sensation of pressure around the eye socket. Blinking also causes some discomfort, but there are no noticeable blood vessels. Additional...

Dr. Gao Pilin Reply:
Hello: The symptoms you described may be caused by eye strain. Common causes of eye strain include prolonged screen time, reading, and activities like driving that require the eyes to maintain the same position for extended periods. I recommend the following measures: 1. Rest you...

Understanding Astigmatism Increase: Causes, Concerns, and Eye Health

Increased astigmatism? Hello! The last time I changed my lenses was around mid-2021, with my prescription being (myopia/astigmatism) left eye -500/150, right eye -775/50. Today, I went to an optical store for an eye exam and found that my left eye's astigmatism has increased...

Dr. Gao Pilin Reply:
Hello: 1. There are many reasons for an increase in astigmatism, one of which may be that the eyeball is not perfectly spherical, or the cornea may be affected by excessive corrective power. Additionally, poor reading posture and lying down while using a smartphone can indeed con...

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