RECURRENT OPHTHALMIA 157 



to fifteen days, and the eye resumes its normal ap- 

 pearance. During this period of quiescence the lesions 

 due to the initial attack may be noticeable. In from 

 one to three months a recurrence will take place, with 

 much greater severity than the former attack. All the 

 symptoms of a severe iridocyclitis prevail, together with 

 an increase of the intra-ocular tension (glaucoma) and 

 the formation of an opaque lens (cataract). The sclera 

 about the ciliary border takes on a different aspect, 

 being dark or bluish-black in color. The vitreous be- 

 comes opaque, and after two or more attacks symptoms 

 of degeneration appear, and the globe becomes shrunken 

 and is apparently retracted. 



The disease seems to be most formidable, in that it is 

 not satisfied with one eye, but in time attacks the fellow 

 eye and destroys that also in like manner. Whether this 

 is due to sympathetic involvement, as is often seen in 

 man, which is reasonable to assume, or whether it is due 

 to the original cause, is a question. The fellow eye is 

 sometimes attacked and destroyed, even while vision 

 remains in the eye which was first affected. 



Treatment seems to be of little value in most cases. 

 Local conditions should be met by proper therapeutic 

 measures, together with the observance of hygienic 

 conditions and proper feeding. The animal should 

 be isolated from other animals, and should not be used 

 for breeding purposes. 



