Effect of visual environment on refractive error of cats

M. Belkin*, U. Yinon, L. Rose, I. Reisert

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

33 eyes of 18 cats raised in cages or in small rooms under conditions of near vision were compared with 22 eyes of 11 street cats. Refraction of the caged cats showed that three quarters of them were myopic (average: -0.8 D) while 87.5 percent of the street cats were hypermetropic (average: +1.4 D). The antero-posterior diameter was practically equal in both groups (20.4 mm) and in both myopic and hypermetropic eyes. The site of the permanent refractive changes is suggested to be the lens.

Original languageEnglish
Pages (from-to)433-437
Number of pages5
JournalDocumenta Ophthalmologica
Volume42
Issue number2
DOIs
StatePublished - Feb 1977
Externally publishedYes

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