84 OPHTHALMOLOGY FOR VETERINARIANS 



cold compresses over the lid, will allay it sufficiently to 

 make an examination. Carefully remove any foreign 

 substances and flush the eye with sterile water or boric 

 acid solution. If the burn is caused by a strong caustic, 

 neutralize it with a suitable solution. OHve oil, with the 

 alkaloids of atropin and cocain, are of value in relieving 

 pain, putting the accommodation to rest, and prevent- 

 ing adhesions by allowing the hd to play more freely over 

 the globe in the act of winking. An adhesion (symbleph- 



Fig. 2 2. — Dermoid cyst from original specimen. 



aron) may be prevented to a great degree by daily 

 breaking it with a small blunt probe. If extensive ad- 

 hesions occur, surgical treatment is necessary. 



Tumors of the Conjunctiva.— These are benign and 

 malignant. The former interfere with the function of 

 the eye by pressure. The latter usually cause the loss 

 of the eyeball, and may endanger life by extension. 



The principal benign tumors are polypi, cysts, lipomata, 

 and granulomata. 



A polypus is a pear-shaped tumor, pale and red in 



