Validation of an iPad test of letter contrast sensitivity

An iPad-based letter contrast sensitivity test was developed (ridgevue.com) consisting of two letters on each page of an iBook. The contrast decreases from 80% (logCS = 0.1) to 0.5% (logCS = 2.3) by 0.1 log units per page. The test was compared to the Pelli-Robson Test and the Freiburg Acuity and Co...

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Bibliographic Details

Published in:	Optometry and vision science Vol. 91; no. 3; p. 291
Main Authors:	Kollbaum, Pete S, Jansen, Meredith E, Kollbaum, Elli J, Bullimore, Mark A
Format:	Journal Article
Language:	English
Published:	United States 01.03.2014
Subjects:	Adult Computers, Handheld Contrast Sensitivity - physiology Diagnosis, Computer-Assisted - instrumentation Female Humans Male Reproducibility of Results Vision Tests - instrumentation Vision, Low - diagnosis Vision, Low - physiopathology Young Adult
ISSN:	1538-9235, 1538-9235
Online Access:	Get more information
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