DISEASES OF THE EYELIDS. 259 



quickly. In both cases alike the mucous membrane and the skin, if 

 white, assume a dusky brown or yellowish brown htie, which is 

 largely characteristic. This may pass into a black color by reason 

 of extravasation of blood. There appears early great constitutional 

 disturbance, with much prostration and weakness and generalized 

 anthrax symptoms. 



Treatment. — The treatment of these will vary according to the 

 severity. Insect bites may be touched with a solution of equal parts 

 of glycerin and aqua ammonia, or a 10 per cent solution of carbolic 

 acid in water. Snake bites may be bathed with aqua ammonia, and 

 the same agent given in doses of 2 teaspoonfuls in a quart of water. 

 Or alcohol may be given in pint or quart doses, according to the size 

 of the animal. In erysipelas the skin may be painted with tincture 

 of muriate of iron, or with a solution of 20 grains of iodine in an 

 ounce of carbolic acid, and one-half an ounce of tincture of muriate of 

 iron may be given thrice daily in a bottle of water. In anthrax the 

 swelling should be painted with tincture of iodine, or of the mixture 

 of iodine and carbolic acid, and if very threatening it may have the 

 tincture of iodine injected into the swelling with a hypodermic 

 syringe, or the hard mass may be freely incised to its depth with a 

 sharp lancet and the lotion applied to the exposed tissues. Internally, 

 iodide of potassium may be given in doses of 2 drams thrice a day, or 

 tincture of the muriate of iron every four hours. 



STY, OR FURUNCLE (bOIl) Or THE EYELID. 



This is an inflammation of limited extent, advancing to the forma- 

 tion of matter and the sloughing out of a small mass of the natural 

 tissue of the eyelid. It forms a firm, rounded swelling, usually near 

 the margin of the lid,which suppurates and bursts in four or five days. 

 Its course may be hastened by a poultice of camomile flowers, to 

 which have been added a few drops of carbolic acid, the whole 

 applied in a very thin muslin bag. If the swelling is slow to open 

 after having become yellowish white, it may be opened by a lancet, 

 the incision, being made at right angles to the margin of the lid. 



ENTROPION AND ECTROPION, OR INVERSION AND BVBRSION OE THE EYELID. 



These are respectively caused by wounds, sloughs, ulcers, or other 

 causes of loss of substance of the mucous membrane on the inside of 

 the lid and of the skin on the outside ; also of tumors, skin diseases, 

 or paralysis which leads to displacement of the margin of the eyelid. 

 As a rule, they require a surgical operation, with removal of an ellip- 

 tical portion of the mucous membrane or skin, as the case may be, but 

 which re'quires the skilled and delicate hand of the surgeon. 



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