THE ARMY HORSE. , 89 



SIMPLE INJURIES TO THE EYELIDS. 



Inflammation of the mucous membrane lining the eyelids may 

 be caused by bruises or the presence of a foreign body, such as 

 sand, chaff, etc. If the eyelids should become torn, they must be 

 sutured ; the utmost care is necessary as the needle may puncture 

 the eyeball and blindness will follow. 



Treatment. — Keep the parts clean with a saturated solution 

 of boracic acid, and dust with iodoform, 



SIMPLE OPHTHALMIA CONJUNCTIVITIS. 



Inflammation of the outer parts of the eyeball, and of the 

 exposed vascular, sensitive mucous membrane {conjunctiva) 

 which covers the ball, the eyelids, and the haw. 



The causes of external ophthalmia are mainly those which 

 act locally— blows with whips, clubs, and twigs; the presence 

 of foreign bodies, such as chaff, dust, sand, ammonia arising 

 from the excrement, etc. 



Symptoms. — "Watering of the eye, swollen lids, redness of the 

 mucous membrane exposed by the separation of the lids, and a 

 bluish opacity of the cornea, which normally is clear and trans- 

 parent. The eyelids may be kept closed, the eyeball retracted, 

 and the haw protruded over one-third or one-half of the ball. 

 If the affection has resulted from a wound of the cornea, a 

 white speck or fleecy cloud is formed, and often blood vessels 

 begin to extend from the adjacent vascular covering of the eye 

 to the white sj)ot, and that portion of the cornea is rendei-ed 

 permanently opaque. 



Treatment. — Place the horse in a dark stall and bathe the 

 outside of the eye with tepid water ; a few drops of the follow- 

 ing lotion should be dropped inside the eyelids: Zinc sulphate 

 20 grains, boracic acid 1 dram, fluid extract of belladonna 1 

 dram,water4 ounces. Cover the eye with a clean, dark cloth on 

 the inside of which a piece of absorbent cotton has been sewed ; 

 keep the cotton saturated with the same lotion. This treatment 

 should be applied and continued twice daily until the i:)arts 

 assume their normal condition. In case of wound or ulcer on 

 the cornea, make use of a quill, through which blow iodoform 

 into the eye daily. 



RECURRENT OPHTHAL:sriA MOONBLINDNESS, 



This affection, sometimes called periodic ()i)h(lialmia, is an 

 inflammation of the interior of the eye; it is intimately related 



