58 VETEEINAKY OPHTHALMOLOGY. 



are composed of lymphoid cells and connective tissue. 

 Both varieties may be seen separately, but more often 

 combined. 



Symptoms are those of an annoying conjunctivitis, 

 and may be more or less severe. If the process is 

 not checked the cornea becomes ulcerated and vas- 

 cular from the constant irritation from friction of 

 the roughened lids upon it. The conjunctiva and 

 tissue of the lids may become atrophied and cica- 

 trical, leading to entropion, symblepharon, xerophthal- 

 mia, etc. This disease is more often found in the 

 poorly nourished, bad hygiene, etc. Runs an exceed- 

 ingly tedious course. 



TREATMEiirT. — Locally, astringents and caustics, sul- 

 phate of copper crystal being the favorite one, nitrate 

 of silver, alum, and many more. Applications may 

 lose effect through toleration, and change becomes 

 necessary, and regular treatment for a long period will 

 be necessary to establish cure. Before beginning any 

 astringent treatment of a trachoma, it may be necessary 

 to use hot water, atropine, cocaine, until the great irri- 

 tation, photophobia, etc., subside. Then may begin with 

 a mild astringent, alum, spray of tannin and glycerine, 

 XX. grs. to the oz. or the like. In very obstinate 

 cases, after a fair trial with other remedies, jequirity 

 bean {abnis precatorius), used as follows, as prepared by 

 De Wecker of Paris. The bean is to be powdered and 

 mascerated for three hours, in water, at ordinary 



