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Visual Acuity in Extremely Low Birth Weight Infants

COURAGE MARY L. Ph.D.;; ADAMS, RUSSELL J. Ph.D.;
Journal of Developmental & Behavioral Pediatrics: February 1997
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ABSTRACT.

The increased viability of extremely low birth weight (ELBW) infants (those weighing less than 1000 g) and the associated increased risk of visual impairment has highlighted the need for reliable indices of visual functioning for this population. By use of the Teller Acuity Cards, we assessed grating visual acuity in 26 survivors of extreme prematurity (corrected age, 2–42 mo) and found that although most scores were within the normal range, they were significantly lower than those of full-term infants of equivalent postconceptional age, especially after 9 months of age. Moreover, the number of complications in the neonatal period (especially bronchopulmonary dysplasia) and the Neonatal Medical Index classification were associated with below-average visual acuity in infancy and early childhood.

© Lippincott-Raven Publishers.