92 



VETERINARY OPHTHALMOLOGY. 



iris scissors, and cocaine 4%. Introduce between 

 the lids the speculum. With the fixation forceps 

 grasp the conjunctiva directly opposite the point 

 of incision (on the opposite side of the cornea, un- 

 derstand), and thus control the eyeball. (A full 

 dose of chloral hydrate is good in irritable patients). 

 The keratorae is inserted about a line from the 

 corneo-scleral margin into the cornea, and intro- 

 duce the blade so as to divide as little tissue as pos- 



Fig.62. 



sible. When introduced change the direction of the 

 knife so as to avoid touching the iris or lens. With- 

 draw knife slowly so as to avoid too sudden an escape 

 of the aqueous. With curved iris forceps withdraw a 

 portion of the iris, having grasped it at its pupillary 

 edge. Cut it off with the scissors. See that none of 

 the iris remains in the wound. Compress, bandage. 

 Maintain asepsis and antisepsis, and instil \ per 



