INFLAMMATION OF THE EYE. 523 
CHAPTER XXX. 
DISEASES AND INJURIES OF CERTAIN SPECIAL ORGANS. 
DISEASES OF THE EAR—INFLAMMATION OF THE EYE—CATARACT—AMAUROSIS—BUCK 
EYE— SURFEIT— HIDEBOUND — MANGE— LICE—MALLENDERS AND SALLENDERS— 
WARBLES, SITFASTS, AND HARNESS GALLS—GRUBS—BITES AND STINGS OF INSECTS— 
SWELLED LEGS— CHAPPED HEELS— GREASE— WARTS —CORNS—SANDCRACK—FALSE 
QUARTER—QUITTOR—THRUSH— CAN KER—LAMINITIS— SEEDY TOE—CONTRACTION OF 
THE FOOT—NAVICULAR DISEASE—ACCIDENTS TO THE LEGS AND FEET. 
DISEASES OF THE EAR. 
DEAFNEss is sometimes met with in the horse, but. I know of no 
symptoms by which its precise nature can be made out; and without 
ascertaining the seat of the disease, 1t is useless to attempt to treat it. 
SoMETIMES FROM A BLOW on the external ear inflammation is set up, 
and an abscess forms; but all that is necessary is to open it, so that the 
matter can readily flow out as fast as it forms, without which precaution 
it will not readily heal. 
INFLAMMATION OF THE EYE. 
THIS IMPORTANT ORGAN is subject to three forms of inflammation, to 
opacity of the lens, and to paralysis of the nerve, called amaurosis. (For 
the descriptive anatomy of the eye, see pages 444, 445.) 
SIMPLE INFLAMMATION is the most common of all the diseases to which 
the horse’s eye is subject, and it precedes most of the others. It is always 
the result of any injury of this part, or of cold; and it shows itself if 
there is a tendency to inflammation of this organ, whenever the horse is 
in a state of plethora. The symptoms are an intolerance of light, so that 
the eye is kept half closed, by which it looks smaller than the other ; a 
gummy secretion glues the lids together at the angles; the eyelids are 
slightly swollen, showing a distended state of their veins; and there is 
more or less watering or overflowing of tears. When the lids are sepa- 
rated, their internal surface looks more red than natural, and the white 
of the eye is covered with a net-work of fine red vessels. After. the 
second day the transparent cornea loses it clearness, and becomes muddy, 
sometimes over the whole surface, and at others in specks. If the disease 
is allowed to go on unchecked, the cornea is involved, and the lining 
membrane of the aqueous humour follows ; a secretion of pus takes place 
into the chamber, or the cornea ulcerates, and the contents of the eye 
escape. The treatment should be a copious bleeding from the jugular 
vein, followed by a ball, such as— 
Take\of. Commonyehysicy Ball cin. oc.) eee) 2 drachms: 
hartansWmeticl em sel cy eel el sl oo) 1) GTAChin pees 
Mix and give every six hours, 
This not only acts on the intestines, but it keeps up a constant nausea, and 
so tends to lower the action of the heart. The eye should be bathed with 
warm watcr frequently ; and, if. the mischief be severe, a seton should at 
