Ciliary muscle, Ophthalmology FAQ

Understanding Blurry Vision After Screen Time: Causes and Solutions

Eye problems Hello doctor, sometimes after using the computer or watching TV, my vision becomes a bit blurry. However, after I take a nap or rest for a while, my vision clears up. What could be the reason for this?

Dr. Wang Zhangji Reply:
Hello: After prolonged periods of looking at a computer or television, your eyes may become blurry because the ciliary muscles are in a contracted state. Therefore, when using a computer, it's important to frequently look at something in the distance to rest your eyes, and w...

Struggles of High Myopia: Understanding Blurry Vision and Eye Health

The tragedy of the eyes? Doctor... I am a high myope (700). When I read, I find that I can only see half of a line of text clearly, and then it becomes inexplicably unclear. In simple terms, when I look at a line of text, my eyes cannot focus after a while. Recently, I have been ...

Dr. Zhang Yanrui Reply:
Based on your condition, it is possible that you are experiencing ciliary muscle paralysis due to eye strain, which can lead to focusing issues. However, it could also be indicative of more serious conditions, such as macular degeneration associated with high myopia, or even abno...

Understanding Presbyopia: Adjusting Prescription Glasses and Costs

Regarding presbyopia? Hello Dr. Lin: Regarding the degree of presbyopia after experiencing light therapy, considering the possibility that the degree may continue to worsen in the future, is it advisable to prescribe a slightly stronger prescription when fitting glasses? If so, w...

Dr. Lin Zhengyi Reply:
When the eyes focus on nearby objects, the ciliary muscles within the eye contract, causing the lens to thicken and bringing the focal point closer; this is known as the eye's accommodation function. In middle-aged and older adults, the lens gradually loses its elasticity, r...

Understanding the Impact of Dilating Drops on Vision Measurements

Issues with Mydriatic Agents Hello, doctor. I would like to ask about the use of dilating drops during an eye examination. They are used to more accurately determine the degree of myopia. I would like to understand what the typical difference in prescription might be before and a...

Dr. Zhang Yuhua Reply:
Hello: The function of mydriatics is to eliminate pseudomyopia, and the degree of reduction varies from person to person. After instillation, due to the paralysis of the ciliary muscle, the ability to adjust focus is impaired, so even if the refractive error is reduced, vision ma...

Understanding Eye Pressure: Symptoms and Concerns About Glaucoma

Strange phenomenon Dear Doctor, hello! I have been experiencing a feeling of pressure in my left eye for the past 5 to 6 years (it seems to be getting worse). It feels swollen and strange. I previously visited an ophthalmologist, who mentioned that my "right eye" has el...

Dr. Wang Zhangji Reply:
Hello! Common causes of eye discomfort and pressure include ciliary muscle fatigue. Prolonged near work, such as using a computer, watching television, or reading, can increase the workload on the ciliary muscles. Regarding your mention of elevated intraocular pressure, it's...

Understanding Eye Fatigue: Causes and Solutions for Young Adults

Eye fatigue Hello, doctor. I am a 20-year-old college student, and I often use my eyes for reading, using the computer, and looking at the blackboard. I have myopia of 700-800 degrees and over 100 degrees of astigmatism. My eyes frequently experience soreness and discomfort. I ha...

Dr. Chen Xuan Reply:
Hello, Xiaomi: 1. Prolonged near-distance visual tasks, such as reading or using a computer, can cause excessive tension and fatigue in the ciliary muscles of the eyes. Medications like neostigmine can provide partial relief, but it is essential to take regular breaks. Resting ...

Managing Myopia in Children: Glasses and Alternative Solutions

Myopia Hello Dr. Liang: I have severe myopia of over 1200 degrees, and my child is two years and ten months old with myopia of 400 degrees. Should I first get glasses for them and then proceed with adjustments (such as looking at distant objects, avoiding TV, and practicing visio...

Dr. Wang Yuwei Reply:
Children have a very strong contraction of the ciliary muscle, so when measuring myopia, a cycloplegic agent should be administered first. The measurement taken at this time will reflect the true and accurate refractive error. If myopia is still present after this measurement, co...

Understanding the Benefits and Risks of Mydriatic Eye Drops for Children

Regarding dispersible agents? I would like to ask Dr. Huang: A second-grade student has been diagnosed with poor vision. The doctor prescribed a cycloplegic agent. Are there any side effects and what are the pros and cons? Thank you.

Dr. Huang Bozhen Reply:
The only effective method for controlling myopia in children is the use of cycloplegics (muscle relaxants for the ciliary muscle). Short-acting types have minimal side effects but are less effective, while long-acting types are more effective but can cause light sensitivity, nece...

Does Wearing Glasses Over Prescription Increase Farsightedness?

Doctor I have been wearing glasses that are 100 degrees stronger than my original prescription (currently 950 degrees, wearing 1050 degrees). People say this will cause me to become farsighted. Is that true? Does this mean I can still read up close without any issues? I am used t...

Dr. Chen Xuan Reply:
Myopia of 950 degrees refers to the condition where, when viewing objects at a distance greater than five meters (essentially at infinity), a -9.5 diopter concave lens is required to focus the image clearly on the retina. When looking at objects within five meters, the ciliary mu...

Understanding Your New Glasses: Why Do Your Eyes Feel Foggy?

excuse me? Hello Doctor: I am 22 years old and recently got a new pair of glasses. My previous prescription was -4.00 for the left eye and -4.50 for the right eye. The new glasses are -4.50 for the left eye and -5.00 for the right eye. The optical shop used my old glasses to meas...

Dr. Wang Zhangji Reply:
Assuming your glasses prescription is correct, your eyes are in a completely relaxed state when you wear them. Therefore, when you take off your glasses, the ciliary muscles cannot adjust immediately, resulting in a blurred vision. If you are concerned, you can bring your glasses...

Understanding Pseudomyopia: Causes, Treatment, and Eye Drops Side Effects

I'm sorry, but I need specific content to translate Hello, doctor. I previously asked you about my eye condition. The symptoms are that my vision is a bit blurry when looking at things, but it only happens sometimes. Is it possible that I have pseudomyopia? I went to see an ...

Dr. Chen Xuan Reply:
Losemin is a short-acting cycloplegic agent that also has the effect of dilating the pupils. Clinically, in addition to its use in dilating the pupils for fundus examinations, ophthalmologists often use it for the prevention of myopia and the treatment of pseudomyopia. When using...

Managing Myopia: Can You Stop Progression After 30?

Myopia 1. Is it true that after the age of 30, the prescription will no longer increase? 2. Are there any methods to prevent the prescription from increasing? 3. I currently have a prescription of about -9.00 diopters. What can I do to reduce my prescription? Should I focus o...

Dr. Wang Ziyang Reply:
1. Myopia may continue to increase after the age of 30, especially in cases of excessive computer use, which is very common. 2. Reducing screen time or using cycloplegic eye drops can help prevent excessive contraction of the ciliary muscle, which can lead to axial elongation. 3....

Understanding Myopia: Differences, Treatments, and Eye Care Solutions

Window to the Soul Is the difference between congenital myopia and acquired myopia related to the degree of refractive error? I've heard that orthokeratology lenses have great results, but why is the effect not ideal for my nephew? What could be the main reason? I saw on you...

Dr. Huang Bozhen Reply:
Congenital myopia is closely related to genetics, meaning that patients can have severe myopia (around 500 to 600 diopters) at a very young age (five or six years old), often accompanied by amblyopia. For instance, a farmer who rarely reads may have myopia exceeding 1000 diopters...

Can Adjustable Prescription Glasses Help Control Myopia Progression?

Are there glasses available that allow for adjustable prescription strength? After entering the third grade, I have to study a lot and have become very busy. I wonder if there are lenses that can help control my prescription. Is nearsightedness caused by the eye muscles not relax...

Dr. Huang Bozhen Reply:
At this age, academic pressure is high, and myopia is increasing rapidly. Some individuals have attempted to use orthokeratology to control their refractive error, but I do not recommend it due to significant side effects and limited effectiveness. Additionally, the use of cyclop...

Understanding Pseudomyopia: Causes, Symptoms, and Treatment

What is pseudomyopia? What is pseudomyopia?

Dr. Huang Bozhen Reply:
Explanation: There is a small muscle inside the eye that controls the lens, thereby changing the focal distance of the eye. When this muscle is in a state of tension and contraction, the resulting excess nearsightedness is referred to as pseudomyopia. To determine the presence of...

Understanding the Difference Between Pseudomyopia and True Myopia

Pseudomyopia Hello, doctor. I previously went to a nearby clinic for a vision problem. The doctor examined me for a long time and said that my vision could still be corrected after using dilating drops for a while. Recently, I visited another hospital, and the doctor examined me ...

Dr. Huang Bozhen Reply:
Subject: Explanation of Pseudomyopia: Within the eye, there is a very fine muscle called the ciliary muscle, which alters the curvature of the lens through its contraction and relaxation. This change in focal length allows us to see both near and far, similar to how a camera&#x...

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