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shortsightedness

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shortsightedness,快急死了,求正确答案快出现!

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2025-08-29 01:26:32

shortsightedness】Summary:

Shortsightedness, also known as myopia, is a common vision condition in which a person can see nearby objects clearly but has difficulty seeing objects that are far away. This condition occurs when the eyeball is too long or the cornea is too curved, causing light to focus in front of the retina instead of directly on it. Shortsightedness typically develops during childhood and may worsen during adolescence before stabilizing in adulthood.

While the exact cause of shortsightedness is not fully understood, genetic factors and environmental influences, such as prolonged near work (e.g., reading, using digital devices), are believed to play a role. The condition can be corrected with glasses, contact lenses, or refractive surgery like LASIK. Regular eye exams are important for early detection and management.

Table: Key Information About Shortsightedness

Category Details
Definition A vision condition where distant objects appear blurry.
Also Known As Myopia
Cause Elongated eyeball or overly curved cornea
Symptoms Blurred vision when looking at distant objects
Risk Factors Family history, excessive near work, lack of outdoor activity
Diagnosis Eye exam by an optometrist or ophthalmologist
Treatment Options Glasses, contact lenses, LASIK surgery
Prevention Encouraging outdoor activities, limiting screen time
Age of Onset Usually develops in childhood and peaks in adolescence
Progression May worsen until late teens or early adulthood

Conclusion:

Shortsightedness is a widespread visual impairment that can significantly affect daily life if left uncorrected. Understanding its causes, symptoms, and treatment options is essential for effective management. Early intervention and regular eye care are key to maintaining good vision throughout life.

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