MOON EYES. 101 



CHAP. XXL 



MOON EYES, OR INFLAMMATION OF THE 

 EYES. 



This disease makes its appearance wlien the 

 horse is about five or six years old, or at the time 

 when he comes to a state of maturity, or full 

 growth, and returns periodically. It first makes 

 its appearance with a dim cloud over the eye ; the 

 eyelids are much swollen and inflamed, and in 

 general shut ; the globe of the eye looks dull and 

 red ; its sensibility is increased, so that when ex- 

 posed to light the eyelids close to avoid it ; if the 

 eyelids are opened by the hand, or animal, in this 

 state, the haw is found to cover the surface of the 

 eye considerably, to prevent the stimulus of the 

 light, and supply the office of the eyelids ; a sharp, 

 corrosive, and watery humour constantly running 

 from it, which irritates the cheek, and takes off 

 the hair as far as it goes ; sometimes there is a 

 complete opacity of the surface of the eye from 

 an effusion of coagulable lymph. 



The vessels of the white of the eye, some of 

 which enter the transparent part of the eye (called 



