VETERINARY OPHTHALMOLOGY. Ill 



external, such as a blow, puncture, etc., in which 

 case the lids and conjunctiva would participate to 

 a marked degree. Otherwise the symptoms would 

 be deep. The anterior edge of the sclerotic where it 

 overlaps the cornea will rernain white, when posterior 

 to it will show congestion ; and this is caused by the fact 

 that the arteries (ciliary) penetrate the sclera behind 

 its anterior border. This many times cannot be seen, 

 owing to pigmentation. The opacity of the cornea 

 may be confined to its outer margin. The aqueous will 

 be turbid and will see yellow- white flakes floating in it. 

 These may deposit and form hypopyon. The iris will 

 be dull and rusty, as in iritis. Intense photophobia. 

 Watch out for adhesions. In taking the tension will 

 find it plus, even, to + 3. In severe attacks the forma- 

 tion of pus in the choroid (and iris), which escaping 

 sinks to the bottom of the anterior chamber, form- 

 ing hypopyon, as above stated. In nearly all cases 

 cataract results. 



Treatment. — Quiet, rest, darkness. May give a 

 purge, if patient is robust. If any rheumatic ten- 

 dency, colchicum, 3 ss and Sod, salicyl, 3 ss, daily. 

 You will treat the eye much as for conjunctivitis. 

 Astringents — Boric ac. 4% ; Zinc, sulph. one to two 

 grs. to the | , and never forget the instillation of ■ 

 atropine 1%, using an eye dropper. Some advise use 

 of a feather, but that is apt to carry foreign matters 

 -with it, so don't. In cases of severe pain, cocaine 4% is 



