General Management in Disease 



Cataract 



This is a disease affecting the crystalline lense, 

 its capsule, or both ; and not at all uncommon in 

 horses and dogs, more especially aged animals. 

 A blow over the eye, and other causes occasion 

 it. It is practically incurable. 



Catarrh 



A catarrhal affection is one denoted by a variable 

 degree of congestion of the mucous membranes, 

 more especially those lining the nasal chamber ; 

 and eyes ; but other organs may be affected. As 

 a simple affection, catarrh is common in all animals, 

 usually running a short course, followed by 

 complete restoration to health ; but there is a 

 malignant form of catarrh affecting cattle, and this 

 is a malady of a more serious nature. 



Catarrhal symptoms constitute one of the 

 classical features of distemper and influenza, 

 being almost constantly present in these maladies. 



Whatever irritates the nasal mucous membrane 

 may lead to a catarrhal congestion of it, and chronic 

 forms of catarrh are generally present in such 

 diseases as glanders ; caries of the molar teeth ; 

 diseases of the air-sinuses, etc. etc. 



Simple catarrh, or coryza (cold in the head) is 

 denoted by a redness and dryness of the mucous 



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