90 VETERINARY OPHTHALMOLOGY. 



moist lieat. If it has been found that a previously 

 existing synecliia is an exciting cause, an iridectomy 

 will be in order, and also later, if other treatments are 

 ineffectual. Of course the underlying cause must be 

 cared for, whatever it may be. 



Fi£.4& 



Fig. 49. 



Tiimors. — Not much to be done. Simple and mali- 

 gnant, as met with elsewhere. If of sufficient import 

 to render it necessary, excise them. Avoid, if possible, 

 in excising cysts, rupturing their walls, if of a serous 

 nature, for the serous cyst is simply distended iris 

 tissue, and is translucent in a;ppearance. 



There is a condition rarely, very rarely; met with, 

 which I merely mention, called Membrana Piiptltari^ 



