Does nearsightedness surgery require an incision?

Written by Li Zhen Dong
Ophthalmology
Updated on November 28, 2024
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There are two types of myopia surgery. One is performed using lasers, and the other involves making a small incision on the edge of the cornea to implant an artificial lens into the eye. Corneal laser surgery uses a laser to create a concave mirror on the cornea to resolve the symptoms of blurry vision when looking at distant objects. The ICL surgery, which involves the implantation of an artificial lens, significantly improves the patient's vision after the procedure. Both types of myopia surgeries are currently quite advanced in terms of technology. Therefore, patients who wish to stop wearing glasses and have clear indications from pre-operative examinations can consider undergoing myopia surgery treatment.

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Written by Li Zhen Dong
Ophthalmology
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Will nearsightedness be inherited?

Myopia has a certain hereditary aspect, but it is mainly caused by improper use of the eyes. Myopia is characterized by clear near vision and blurred distant vision, primarily due to changes in the eye's axial length. After the onset of myopia, it is crucial to properly dilate the pupils and conduct an optometric examination to rule out false myopia and amblyopia. Currently, the main treatments for myopia are still corrective glasses or orthokeratology lenses. Surgical treatment can also be considered for individuals aged 20 to 45. Once myopia develops, proper eye usage should be practiced, reducing close-range activities to avoid eye strain, and regular follow-ups are advised.

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Written by Li Zhen Dong
Ophthalmology
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Can eye fatigue lead to nearsightedness?

Myopia is characterized by clear vision up close but blurry vision at a distance, primarily caused by changes in the eye's axial length. Several factors contribute to the development of myopia: first, hereditary factors; second, inappropriate use of eyes, such as prolonged usage leading to eye fatigue, which can worsen the degree of myopia. Typically, the development of myopia occurs under the age of 20. After 20, there shouldn't be further development; if there is, it is referred to as pathological myopia. Therefore, it is important for patients with myopia or eye fatigue to use their eyes correctly, reduce close-up activities to avoid eye strain, and have regular check-ups to monitor their vision.

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Written by Hu Shu Fang
Ophthalmology
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What department should you visit for nearsightedness?

People with nearsightedness should visit the ophthalmology department, as it is a major type of refractive error in outpatient services. Nearsightedness means clarity when looking at close objects, but blurriness when viewing objects at a distance. Currently, nearsightedness in adolescents is a significant health issue in China. Patients with nearsightedness should see an ophthalmologist at a qualified hospital for eye examinations to rule out any eye diseases, and then wear prescription glasses with the correct diopters to prevent the progression of nearsightedness. Additionally, those with nearsightedness must regularly visit the doctor to check their eyes.

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Written by Wang Fang
Ophthalmology
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Can eye fatigue cause nearsightedness?

Eye fatigue can exacerbate myopia, and it is an important factor in worsening nearsightedness. When the eyes look into the distance, they are in a completely relaxed state, which does not cause or worsen myopia. Myopia occurs due to near-distance eye activities. Prolonged close-distance eye activities and working too closely can lead to chronic fatigue in the external eye muscles. When this happens, the eye axis is stretched and, over time, cannot fully return to its original state, resulting in the onset or worsening of myopia. Therefore, during daily eye use, it is essential to avoid excessive duration and too close distances to prevent fatigue and thus avoid worsening myopia.

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Written by Li Zhen Dong
Ophthalmology
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The difference between nearsightedness and farsightedness.

Myopia is characterized by clear vision up close and blurred vision at a distance; hyperopia is characterized by clear vision at a distance and blurred vision up close. The main difference between myopia and hyperopia is the issue with the eye’s axial length. In an unaccommodated state, when parallel light rays enter the eye and focus in front of the retina, it is called myopia; when they focus behind the retina, it is called hyperopia. Myopic glasses are concave lenses, while hyperopic glasses are convex lenses. When myopia or hyperopia occurs, it is important to rest, reduce close-up activities, avoid eye fatigue, use eyes properly, eat a light diet, adjust your attitude, have regular check-ups, and pay attention to vision health.