EXERCISE. 529 



If a threatened diTorder in the eye is fup- 

 pofed to be the effed: of repletion and re- 

 flating vifcidltyy fome judgment may be 

 formed from a minute examination of the 

 blood, which will bear refemblance to the 

 ftate accurately explained when the horfe is 

 too much above himfelf In condition^ and the 

 veffels more or lefs overcharged with impu- 

 rities. Exclufive of a fole dependence upon 

 which prognoftic much information may be 

 colledled from external appearance ; the eyes 

 are full, heavy, and dull, with an apparent 

 tendency to inflammation in the lids above 

 and below, and exceedingly turbid in the 

 centre ; difplaying in fuch ftate a perpetual 

 drowfinefs, his eyes being frequently clofed 

 when ftanding in the ftable undifturbed and 

 feemingly unperceived, but without the leajl 

 dif charge tending to difcover the original caufe 

 of complaint, 



On the contrary, when arifing from an 

 impoverifhed and acrimonious ftate of the 

 blood, the eyes become upon the firft attack 

 full and inflamed ; almoft immediately dif- 

 charging a fharp fcalding ferum, that is in- 

 celTantly rolling down the cheeks, and in its 

 Q.3 paflagq 



