68 VETERINARY OPHTHALMOLOGY. 



strains motion and so is useful; also excludes lights 

 If the corneal wound be central, use atroioine, and 

 quick. If peripheral, eserine %%. 



Foreign bodies are of frequent occurrence, the 

 most common being dust, glass, metal, etc., and they 

 cause severe reaction according to the depth to which 

 they penetrate and length of time they remain. Ex- 

 ceptionally, the reverse may be the case. They are 

 seen easily, generally, and oblique illumination will 

 facilitate a search. If superficial, remove with a spud. 

 If firmly imbedded, use forceps or a needle. To avoid 

 a deeply seated particle falling bacl-irards into the 

 anterior chamber during attempts at removal, a broad 

 needle may be passed into the anterior chamber so as 

 to form a base on which to work. Cocaine 4% must 

 be used, and an eye-speculum will insure better results 

 if used. 



Burns, injurie3, from chemical agents, etc., are apt to 

 cause sloughing and permanent opacities. Use oil, 

 cocaine ; wash the eye thoroughly, and neutralize acids 

 by alkalis — for instance, soda, dram to the ounce. 

 Should the offending matter be lime, use vinegar and 

 water, oil, and, above all, don't put a little water into 

 the eye. 



Abrasions of epithelium appear as a roughened, glist- 

 ening facet, and are very painful. Use oil collyria. 



Keratitis (inflammation of the cornea.) Result of in- 

 juriss, exposure, constitutional diseases, mal-nutrition> 



