Open AccessComparison of visual acuity estimates using three different letter charts under two ambient room illuminations
Author(s) -
Ai-Hong Chen,
Fatin Nur Najwa Norazman,
Noor Halilah Buari
Publication year - 2012
Publication title -
indian journal of ophthalmology/indian journal of ophthalmology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.542
H-Index - 51
eISSN - 1998-3689
pISSN - 0301-4738
DOI - 10.4103/0301-4738.90489
Subject(s) - visual acuity , snellen chart , medicine , optometry , ophthalmology , refractive error , astigmatism , chart , anisometropia , optics , mathematics , statistics , physics
Visual acuity is an essential estimate to assess ability of the visual system and is used as an indicator of ocular health status.