Introduction to Ophthalmology of Aves

Moore, Bret A.; Fernández‐Juricic, Esteban; Hawkins, Michelle G.; Montiani‐Ferreira, Fabiano; Lange, Rogério Ribas

doi:10.1007/978-3-030-71302-7_16

Cited by 1 publication

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“…The avian cornea has been reported to be thinner than the corneas of similarly sized mammals (Moore, Fernandez‐Juricic, et al., 2022; Willis & Wilkie, 1999). Additionally, studies in most species support that the corneal periphery is thicker than the central cornea (Bergmanson, 2019, 2021; Collin & Collin, 2021; Coyo et al., 2015; Downie et al., 2021; Jones et al., 2007; Pinto et al., 2016).…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the common pauraque (Nyctidromus albicollis) cornea using light and scanning electron microscopy

Tozetti,

de Lima Sousa Araújo,

Moreira

et al. 2023

Anat Histol Embryol

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The common pauraque Nyctidromus albicollis (Gmelin, 1789) is a widespread avian species; however due to its nocturnal habits and reclusive behaviour, little is known about their vision and ecology. Most avian species are visually dependent with advanced visual systems providing high spatial resolution, on the species needs. Each ocular structure has a specific role in contributing towards high visual function, and the cornea is the first refractive structure in the visual process. However, the common pauraque cornea had not been described until the present data. Therefore, this study aims to describe the morphology and morphometry of the common pauraque cornea by means of light and scanning electron microscopy to evaluate the cross‐sectional anatomy as well as the ultrastructure of the endothelial cells. Histological similarities with the cornea of other birds have been observed, but the thickness of the common pauraque cornea is much smaller than the other described corneas. A better understanding of the common pauraque cornea can help us better explain the physiology of vision and the visual requirements of this species. In turn, this will help us better understand how this species successfully interacts with its environment, and will improve our knowledge on how to interpret pathological changes in their cornea in a clinical setting.

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