STUDIES ON PHACOEMULSIFICATION IN CATARACTOUS DOGS
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Date
2017
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DEPARTMENT OF VETERINARY SURGERY AND RADIOLOGY COLLEGE OF VETERINARY SCIENCE & ANIMAL HUSBANDRY ANAND AGRICULTURAL UNIVERSITY ANAND
Abstract
Cataracts are the most common cause of treatable visual deficits and blindness in dogs. Phacoemulsification has become an art of surgical procedure for management of cataract surgery. The present clinical study on phacoemulsification was conducted on 20 dogs to remove the cataractous lens. Out of the 20 eyes, +41.00 D multifocal diffractive - refractive foldable, biconvex, UV blocking, hydrophilic acrylic plate haptics intraocular lens with 14.00 mm length and 7.00 mm optical diameter was implanted in 10 eyes and the rest of 10 eyes were left aphakic. A high incidence of cataract in dogs was seen in females (65%), geriatric (8-15 years, 65%) cases with mature cataract (75%) and senility (60%) as the major cause. Prior to the surgery, all dogs were subjected to detailed ophthalmic examination and routine haematology and serum biochemical analysis. Six dogs with IOL implant were subjected to electroretinography as useful adjunct test for pre- and post-operative evaluations of retinal functions in conjunction with cataract surgery. The Mean+SE of b/a ratio for six dogs with cataract was 3.70+0.63. Mean peak to peak amplitudes seemed to be smaller for each dogs with b/a ratio higher than the normal range (2.33+0.73). The visual outcome achieved was evaluated based on visual function tests, ERG and fundic examination.
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