308 The Care of Animals 



Sometimes the "haw" becomes inflamed and swollen, 

 or partially drawn across the eye, as in tetanus or 

 "lock-jaw." This condition is called "hooks" by some 

 horsemen. The affected haw is sometimes cut out ; the 

 operation, however, is a cruel and useless one. Oper- 

 ations of the eyes should be performed only by a skilled 

 surgeon. 



Ectropium 



Ectropium is a turning out of the eyelid, usually the 

 lower one, so that it presents a red and irritated appear- 

 ance. It sometimes occurs in horses and dogs. It is 

 usually the result of severe inflammation, or an injury. 

 When this condition is permanent, the only treatment 

 is to remove a V-shaped piece from the lower lid, 

 stitching together the parts so as to bring the lid up 

 to its normal condition. 



Diseases of the eyelids are not common among 

 animals. 



Simple Ophthalmia 



This is a simple inflammation of the membranes 

 covering the eye. It is usually the result of an injury, 

 or of foreign bodies in the eye, such as lime from 

 white-wash, chaff, or pollen. 



The eye is red and irritated, often the lids are red 

 and swollen, and there is a profuse discharge of tears, 

 that run down the face. The blood-vessels on the 

 surface of the eyeball are distended, and the membrane 

 that supports them presents a bluish or milky appear- 

 ance. Strong light irritates the eye. 



