70 



VETERINARY OPHTHALMOLOGY. 



there is great photophobia, or spasm of the orbicularis, 

 the cold douche, forcible stretching apart of the lids, 

 canthoplasty, insufflations of calomel, ointments 

 of mercury, etc., are employed. 



Keratitis Vasculosa. — This is characterized by a 

 grayish cloudiness of 'the cornea with network of 

 vessels in the affected region. The epithelium may be 

 shed, caushig great pain from tl:\e exposure of nerves. 

 Under favorable circumstances, tends to recovery. 

 May, however, run on into other forms and be combined 

 with tbem. 



Fig. 34. 



Phlyctenular Keratitis is characterized by phlyc- 

 tenules in the superficial layers of the coraea like those 

 in phlyctenular conjunctivitis. These phlyctenules 

 appear as inflammatory nodules, singly or in groups, 

 on any-psLTt of the cornea, but most often at the margin. 

 May be surrounded by vesicles, which vesicles may 



