128 THE HOKSE AND ITS DISEASES. 



optic nerve, and is usually produced by determination 

 of blood to the bead. Tbe treatment of gutta serena is 

 quite as difficult as tbat of cataract. "We have beard of 

 successful cases, but we never saw one, nor sbould we 

 be disposed to incur mucb expense in endeavouring to 

 accomplisb imi)ossibilities, reasoning from tbe cause of 

 tbe disease. We sbould bleed and pbysic, and ad- 

 minister strycbnine in doses, commencing at balf a grain, 

 and not exceed, two grains, morning aad nigbt, very 

 carefully watcbing it. If we succeed, it must be by 

 constitutional treatment ; as local treatment, tbe seat of 

 disease is out of reacb. 



Common Inflammation of the Eye. 



Inflammation of tbe eye may be considered under two 

 forms, tbe common and manageable, and tbe specific and 

 fatal. Tbe common inflammation is generally sudden in 

 its attack — tbe lids will be found swelled, and tbe eyes 

 partially closed, and some weeping ; tbe inside of tbe lid 

 will be red — some red streaks visible in tbe wbite of tbe 

 eye, and tbe comeu sligbtly dim. Tbis is occasionally 

 connected witb some degree of catarrb or cold ; but it is 

 often unaccompanied by tbis, and depends on external 

 irritation as a blow, or a bit of bay, or seed, or busk 

 witbin tbe lid, and towards tbe outer corner wbere tbe 

 haw cannot reacb it ; tberefore tbe lids sbould be always 

 carefully examined as to tbis possible source of tbe 

 complaint. Tbe animal sbould bave a dose of pbysic to 

 commence witb, composed as follows : — 



Barbadoes Aloes 6 drachms. 



Calomel 1 ,, 



Castile Soap 4 ,, 



Made into a hall. 



Also take some blood from the temporal artery, and 

 wasb tbe eye with tbe following lotion morning and 

 evening : — 



