20 mark coming to extinctiona surgical operationBefore process, The pupils were fully dilated with an assortment of cyclopentolate 0.75 and as a result phenylephrine 2.5 The surgeries were performed by one encountered anterior segment surgeon (CZ). The animals were deeply anaesthetized with a great deal of ketamine hydrochloride and Xylocaine chloride. topical oils anaesthesia (Tetracaine chloride eye lowers) Was applied to each eye. however drainage postop is expected, Due to the bodies fluid a