THE USE OF ISOTROPIC PHOTOREFRACTION FOR VISION SCREENING IN INFANTS
- 1 March 1983
- journal article
- research article
- Published by Wiley in Acta Ophthalmologica
- Vol. 61 (S157), 36-45
- https://doi.org/10.1111/j.1755-3768.1983.tb03929.x
Abstract
Isotropic photorefraction is a technique which makes possible the rapid, economic, large scale screening of infants and young children for refractive errors. The relative size of blur circles reflected from the fundus in 3 flash photographs with different camera settings allows the size and direction of refractive errors to be estimated. The method has been validated against retinoscopic measures on a large group of infants. Findings of a high incidence of astigmatism in the first year are confirmed. Detection of hypermetropia in early infancy by this screening procedure may allow preventive treatment for accommodative strabismus.Keywords
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