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RISS 인기검색어
- 검색키워드
- 저자 : Marcus Vinícius Felix Fabri Prataviera (검색결과 1 건)
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Evaluation of the Perkins handheld applanation tonometer in horses and cattle
Silvia Franco Andrade,Daniel Silva Kupper,Luiz Fernando Rodrigues de Pinho,Elizabeth Cunha Franco,Marcus Vinícius Felix Fabri Prataviera,Rodrigo Rolim Duarte,José Ricardo Cecílio Junqueira 대한수의학회 2011 JOURNAL OF VETERINARY SCIENCE Vol.12 No.2
The objective of this study was to evaluate and validate the accuracy of the Perkins handheld applanation tonometer for measuring intraocular pressure (IOP) in horses and cattle. Both eyes of 10 adult horses and cattle were evaluated in a postmortem study. The eyes from 10 clinically normal adult horses and cattle were also examined after bilateral auriculopalpebral nerve block and topical anesthesia for an in vivo study. IOP was measured postmortem using direct manometry (measured with an aneroid manometer) and tonometry (measured with a Perkins handheld applanation tonometer). The correlation coefficients (r^2) for the data from the postmortem manometry and Perkins tonometer study were 0.866 for horses and 0.864 for cattle. In the in vivo study, IOP in horses was 25.1 ± 2.9 mmHg (range 19.0~30.0 mmHg) as measured by manometry and 23.4 ± 3.2 mmHg (range 18.6~28.4 mmHg) according to tonometry. In cattle, IOP was found to be 19.7 ± 1.2 mmHg (range 18.0~22.0 mmHg) by manometry and 18.8 ± 1.7 mmHg (range 15.9~20.8 mmHg) by tonometry. There was a strong correlation between the IOP values obtained by direct ocular manometry and the tonometer in both horses and cattle. Our results demonstrate that the Perkins handheld tonometer could be an additional tool for accurately measuring IOP in equine and bovine eyes.
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