Refractive Development in the “ROP Rat”

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Refractive Development in the “ROP Rat”

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Title: Refractive Development in the “ROP Rat”
Author: Chui, Toco Y. P.; Bissig, David; Berkowitz, Bruce A.; Akula, James Daniel

Note: Order does not necessarily reflect citation order of authors.

Citation: Chui, Toco Y. P., David Bissig, Bruce A. Berkowitz, and James D. Akula. 2012. Refractive development in the “ROP rat." Journal of Ophthalmology 2012:956705.
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Abstract: Although retinopathy of prematurity (ROP) is clinically characterized by abnormal retinal vessels at the posterior pole of the eye, it is also commonly characterized by vascular abnormalities in the anterior segment, visual dysfunction which is based in retinal dysfunction, and, most commonly of all, arrested eye growth and high refractive error, particularly (and paradoxically) myopia. The oxygen-induced retinopathy rat model of ROP presents neurovascular outcomes similar to the human disease, although it is not yet known if the “ROP rat” also models the small-eyed myopia characteristic of ROP. In this study, magnetic resonance images (MRIs) of albino (Sprague-Dawley) and pigmented (Long-Evans) ROP rat eyes, and age- and strain-matched room-air-reared (RAR) controls, were examined. The positions and curvatures of the various optical media were measured and the refractive state (℞) of each eye estimated based on a previously published model. Even in adulthood (postnatal day 50), Sprague-Dawley and Long-Evans ROP rats were significantly myopic compared to strain-matched controls. The myopia in the Long-Evans ROP rats was more severe than in the Sprague-Dawley ROP rats, which also had significantly shorter axial lengths. These data reveal the ROP rat to be a novel and potentially informative approach to investigating physiological mechanisms in myopia in general and the myopia peculiar to ROP in particular.
Published Version: doi:10.1155/2012/956705
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3307090/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10288458
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