The ABCs of visual acuity assessment.
An accurate visual acuity assessment is an important part of the ophthalmic examination. Each patient needs his or her vision assessed whether an adult, a baby, or a child. The purpose of this article is to review some of the testing methods used to assess vision in the less than 20/200 adult, the preverbal infant, and the uncooperative or timid child. Several "pearls and pitfalls" will be mentioned to help you obtain the best visual acuity assessment on all types of patients.
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Department of Ophthalmology, University of Iowa Hospitals and Clinics, Iowa City 52242, USA.
D000328:Adult; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D015351:Vision Screening; D014792:Visual Acuity