Comparison of visual acuity estimates using three different letter charts under two ambient room illuminations

by Chen A.-H.; Norazman F.; Buari N.
Published in Indian Journal of Ophthalmology (2012)

Comparison on testability of visual acuity, stereo acuity and colour vision tests between children with learning disabilities and children without learning disabilities in governme...

by Bakar N.F.A.; Chen A.-H.
Published in Indian Journal of Ophthalmology (2014)