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The Evolutionary Model of Mild-to-moderate Myopia in China

Sun Yat-sen University logo

Sun Yat-sen University

Status

Completed

Conditions

Refractive Error

Study type

Observational

Funder types

Other

Identifiers

NCT02667509
CCPMOH2016-China2

Details and patient eligibility

About

Myopia has emerged as a major health issue in east Asia, because of its increasingly high prevalence in the past few decades (now 80-90% in school-leavers), and because of the sight-threatening pathologies associated with high myopia, which now aff ects 10-20% of those completing secondary schooling in this part of the world. Similar, but less marked, changes are occurring in other parts of the world. The higher prevalence of myopia in east Asian cities seems to be associated with increasing educational pressures, combined with life-style changes, which have reduced the time children spend outside.

Full description

Myopia has emerged as a major health issue in east Asia, because of its increasingly high prevalence in the past few decades (now 80-90% in school-leavers), and because of the sight-threatening pathologies associated with high myopia, which now aff ects 10-20% of those completing secondary schooling in this part of the world. Similar, but less marked, changes are occurring in other parts of the world. The higher prevalence of myopia in east Asian cities seems to be associated with increasing educational pressures, combined with life-style changes, which have reduced the time children spend outside.

In this trial, the investigators aim to study the evolutionary model of myopia in China, which could provide new insight into the social development and human adaptation.

Enrollment

852,441 patients

Sex

All

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Patients complete the examination of Refractive error from 2005 to 2015 year.

Exclusion criteria

  • Patients could not complete the examination of Refractive error

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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