The small eye phenotype in the EPIC-Norfolk eye study: prevalence and visual impairment in microphthalmos and nanophthalmos.

ABSTRACT:

Objective

To describe the prevalence and phenotypic characteristics of small eyes in the European Prospective Investigation of Cancer (EPIC)-Norfolk Eye Study.

Design

Community cross-sectional study.

Setting

East England population (Norwich, Norfolk and surrounding area).

Participants

8033 participants aged 48-92 years old from the EPIC-Norfolk Eye Study, Norfolk, UK with axial length measurements. Participants underwent a standardised ocular examination including visual acuity (LogMAR), ocular biometry, non-contact tonometry, autorefraction and fundal photography. A small eye phenotype was defined as a participant with one or both eyes with axial length of <21 mm.

Outcome measures

Prevalence of small eyes, proportion with visual impairment, demographic

SUBMITTER: Day AC 

PROVIDER: S-EPMC3731707 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature