HOTV test outperforms tumbling E in young children's vision screening

A cross-sectional study of 995 children aged 3 to 15 in China compared uncorrected visual acuity results from HOTV and tumbling E logMAR charts. The study reported that HOTV yielded better mean visual acuity and, among preschool children, a lower referral rate, higher true positive rate, and better specificity than tumbling E, with the difference between tests narrowing after age 8. The authors state these findings support use of HOTV for children younger than 8 years, noting it could reduce unnecessary referrals.

Most relevant for: Pediatric vision screening programs, particularly assessment of uncorrected visual acuity in preschool and young school-age children.

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