The development of the refractive state in the newborn Thomson gazelle

R. Ofri; S. Millodot; Y. Tadmor; E. Matalon; Philip H Kass; I. H. Horowitz; M. Millodot

doi:10.1007/s00359-004-0538-z

The development of the refractive state in the newborn Thomson gazelle

R. Ofri, S. Millodot, Y. Tadmor, E. Matalon, Philip H Kass, I. H. Horowitz, M. Millodot

Public Health Sciences

Research output: Contribution to journal › Article

2 Scopus citations

Abstract

Changes in refractive error during the first 3 months of life were studied retinoscopically in six Thomson gazelles (Gazella thomsoni). Animals were hand-raised to allow repeat testing over time without chemical restraint. Refraction results were correlated with ultrasound measurements of intraocular dimensions, and with values in adult gazelles. Gazelles are born hyperopic with a mean refractive error of 3.44 ± 0.31 D. By day 50, the animals are virtually emmetropic (0.13 ± 0.21 D) and remain so in adulthood (0.03 ± 0.09 D). The refractive error is highly correlated with the axial length (r² = 0.96) and with the vitreous chamber depth (r² = 0.83), but not with anterior chamber depth. Significant with-the-rule astigmatism was recorded (P < 0.001).

Original language	English (US)
Pages (from-to)	831-835
Number of pages	5
Journal	Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology
Volume	190
Issue number	10
DOIs	https://doi.org/10.1007/s00359-004-0538-z
State	Published - Oct 2004

Keywords

Axial length
Emmetropia
Hyperopia
Thomson gazelle
Wildlife

ASJC Scopus subject areas

Animal Science and Zoology
Physiology
Physiology (medical)
Behavioral Neuroscience
Neuroscience(all)

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Ofri, R., Millodot, S., Tadmor, Y., Matalon, E., Kass, P. H., Horowitz, I. H., & Millodot, M. (2004). The development of the refractive state in the newborn Thomson gazelle. Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, 190(10), 831-835. https://doi.org/10.1007/s00359-004-0538-z

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