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Senile cataracts and myopia

M Belkin, D R Jacobs, S M Jackson

    Annals of Ophthalmology
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Individuals with myopia who wore eyeglasses continuously for over 20 years had cataract surgery later in life than those with emmetropia. This suggests eyeglasses may offer protection against ultraviolet radiation, a factor in senile cataract formation.

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    Area of Science:

    • Ophthalmology
    • Public Health

    Background:

    • Senile cataracts are a leading cause of vision impairment.
    • The role of environmental factors, such as solar ultraviolet (UV) radiation, in cataractogenesis is under investigation.

    Purpose of the Study:

    • To investigate the potential protective effect of long-term eyeglasses wear against the development of senile cataracts.
    • To examine the relationship between myopia, eyeglasses use, and age at cataract surgery.

    Main Methods:

    • A retrospective survey was conducted on 32 individuals with myopia and 38 individuals with emmetropia who underwent cataract surgery.
    • Data collected included age at surgery and history of eyeglasses use.

    Main Results:

    • Individuals with myopia who had worn eyeglasses for at least 20 years underwent cataract extraction at a significantly older age (median 70 years) compared to those with emmetropia (median 64 years).

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  • Statistical significance was P < .00005.

    • Conclusions:

    • Continuous eyeglasses wear may provide a degree of protection against solar UV radiation.
    • Solar UV radiation is implicated as a potential contributing factor in the formation of human senile cataracts.