OPHTHALMIC DIAGNOSTIC TESTS IN PARROTS (AMAZONA AMAZONICA) AND (AMAZONA AESTIVA)

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Abstract

The aim of this study was to evaluate the ophthalmic parameters of Amazona amazonica and Amazona aestiva maintained in captivity in Salvador, Bahia, Brazil. Median ± S-IQR phenol red thread test was 21.9 ± 2.3 mm/15 s and 12.6 ± 2.6 mm/15 s, endodontic absorbent paper point tear test 14.9 ± 1.6 mm/min and 13.1 ± 1.4 mm/min, and intraocular pressure 8.3 ± 1.1 mm Hg and 9.7 ± 1.7 mm Hg for A. amazonica and A. aestiva, respectively. Corneal sensitivity was 0.50 ± 0.25 cm for A. amazonica and 1.00 ± 0.00 cm for A. aestiva. The mean ultrasonographic dimensions measured were anterior chamber depths of 2.0 ± 0.1 mm and 2.0 ± 0.1 mm, lens axial lengths of 3.6 ± 0.0 mm and 3.6 ± 0.1 mm, vitreous chamber depths of 7.9 ± 0.4 mm and 8.0 ± 0.2 mm, axial globe lengths of 13.5 ± 0.4 mm and 13.6 ± 0.1 mm, and pecten oculi lengths of 6.4 ± 0.5 and 6.3 ± 0.3 mm for A. amazonica and A. aestiva, respectively. The development of complementary knowledge about the ocular morphology and histology of these parrot species can be used to contribute to advances in the ophthalmology of wild birds.

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