CHAPTER XII 



DISEASES AFFECTING THE EYES 



The dog is a frequent sufferer from various forms 

 of eye trouble, some of which are of a temporary, 

 others more or less of a permanent, nature. Most 

 chronic affections are of an incurable nature, but 

 many acute affections become sub-acute in form, and 

 in this manner may permanently injure the eyesight. 

 Congenital defects are occasionally observed, usually 

 calling for surgical treatment. The eyelids, the 

 lachrymal gland, its ducts, the mucous membrane 

 Uning the eyelid, or the eyeball itself, are all Uable to 

 participate in injury or disease; but hounds are not 

 predisposed to any special form of eye trouble beyond 

 those common to other breeds. One or both eyes 

 may be impHcated in any disease, and it frequently 

 happens that when one is affected by acute inflam- 

 mation the other eye participates. One of the 

 commonest affections is that known as 



Ophthalmia 



or inflammation of the eyes, which arises through a 

 variety of causes, some of an external nature, others 



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