Indian journal of ophthalmology
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Indian J Ophthalmol · Jul 2018
Comparative Study Observational StudyComparison of the efficacy of Lea Symbol chart and Sheridan Gardiner chart for preschool vision screening.
To compare the efficacy of Lea symbols (LS) chart and Sheridan Gardiner (SG) chart for vision screening among preschool children, in a semi-urban district of South India. ⋯ LS chart showed better sensitivity and negative predictive value when compared to SG chart. However, SG chart showed better specificity and positive predictive value, and screening was less time-consuming. Considering the high sensitivity and negative predictive value, LS is the preferred tool, when compared to SG chart in preschool vision screening in our population.