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Year 2013 - Volume 33, Number 10
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The eye of the striped owl: morphologic observations, biometric findings and reference values for selected ophthalmic diagnostics tests,
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ABTRACT.- Rodarte-Almeida A.C.V., Machado M., Baldotto S.B., Leigue dos Santos L., Lima L., Lange R.R., Froes T.R. & Montiani-Ferreira F. 2013. [The eye of the striped owl: morphologic observations, biometric findings and reference values for selected ophthalmic diagnostics tests.] O olho da coruja-orelhuda: observações morfológicas, biométricas e valores de referência para testes de diagnóstico oftálmico. Pesquisa Veterinária Brasileira 33(10):1275-1289. Setor de Oftalmologia Veterinária, Faculdade de Veterinária, Universidade Federal do Paraná, Rua dos Funcionários 1540, Cabral, Curitiba, PR 80035-050, Brazil. E-mail: acrodarte@gmail.com
The investigation aimed to describe the most relevant morphological characteristics of the eyes of the striped owl (Asio clamator) and determine normal values for selected ophthalmic diagnostic tests. A total of 32 eyes of 16 young and adult free-ranging healthy striped owls of both sexes were investigated. Data of different morphological observations of the skull, eye globe and adnexa, clinical tests and parameters were collected, including Schirmer Tear Test (STT), normal conjunctival bacterial microbiota, esthesiometry, intraocular pressure (IOP), central corneal thickness (CCT), horizontal palpebral fissure length, horizontal, corneal diameter and fundoscopy. Twenty two types of bacteria were identified in twelve owls, the most frequent bacteriae were the Gram-positive. The mean value found for the STT was 5.03±3.28mm/min; horizontal palpebral fissure lengths was 21.24±1.17mm, and 15.7±2.74mm for horizontal corneal diameter. The mean value for the esthesiometry was 0.80±0.59cm, IOP was 13.81±5.62mmHg and CCT was 0.28±0.03cm. This study contributes to establish reference values for selected ophthalmic diagnostic tests in the striped owl, as well as for morphological characterization of the eyeball of Asio clamator; but it is still necessary to characterize furthermore its histologic features. |
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