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Home > West Medicine > ENT & Ophthalmology > Ophthalmology
H52.400

Presbyopia

眼科

Common symptoms

疲劳、视近不能持久、视近困难、流泪、眼胀、反应迟钝

The pathology of disease

Presbyopia is an age-related loss of accommodation (starting around 40 years) due to reduced lens elasticity and ciliary-muscle function, causing difficulty with near vision (holding reading material farther away). Treatment: reading glasses / add-power (plus lenses); progressive/occupational multifocal glasses; multifocal contact lenses; surgical options (monovision, multifocal IOL) in suitable candidates.

Common Symptoms

Near blur after ~40; holding reading farther away; eye strain; distance unchanged

Causes and Pathogenesis

Age-related loss of lens elasticity reduces accommodation for near vision.

Treatment

Reading/add-power glasses; progressive multifocals; multifocal contacts; surgical monovision/multifocal IOL

Preventive Measures

Readers by age 40; periodic refraction.

Department to Visit

It is recommended to visit the Ophthalmology/Optometry department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.