B-Mode Ultrasound Biometry of Intraocular Structures in Dogs
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Date
2017
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Rajasthan University of Veterinary and Animal Sciences, Bikaner
Abstract
Transcorneal ultrasonographic scanning of 74 eyes of 37 healthy dogs of 11 different breeds of either sex was performed without any sedation, anaesthesia or analgesia. Qualitative echo-biometric findings of the eyes were described and measurements of the ocular structures were obtained. In present study transcorneal intraocular echo-biometric study of four parameters were performed i.e. aqueous chamber depth (ACD), lens thickness (LT), vitreous chamber depth (VCD) and axial globe length (AGL) by 5-14 MHz linear transducer at 4 cm scanning depth with suitable gain (55%). Statistically non-significant (P ≥ 0.05 and P ≥ 0.01) differences were observed in all parameters when compared left and right eyes of male as well as female dogs within and among skull conformation groups (dolichocephalic, mesocephalic and brachycephalic). There were no significant differences in all four parameters of dolichocephalic skull group. For mesocephalic and brachycephalic skull groups statistically significant differences were present in all four parameters among age groups. When all four parameters were compared among skull conformation groups statistically significant (P ≤ 0.05) differences were observed in lens thickness, vitreous chamber depth and axial globe length was statistically non-significant (P ≥ 0.05 and P ≥ 0.01). The present study provides an inside echo-morphometric view of the inner ocular structures in healthy eyes of dogs of different skull conformations.
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