. Diseases of the dog and their treatment. of mercury ormassage. According to Bayer, massage of the cornea has to be per-formed in the following manner: The points of the fingers are placed onthe closed-up eyelids and by a constant circular or centrifugal frictionmove the eyelid for sometime. In some cases we may also apply theabove-mentioned ointments and powders. The writer has obtainedfar the liest results from calomel than anything else. He placed dailya small amount of powder composed of equal parts of calomel and sugar(grape sugar) on the cornea and massaged the eyelid for ten
. Diseases of the dog and their treatment. of mercury ormassage. According to Bayer, massage of the cornea has to be per-formed in the following manner: The points of the fingers are placed onthe closed-up eyelids and by a constant circular or centrifugal frictionmove the eyelid for sometime. In some cases we may also apply theabove-mentioned ointments and powders. The writer has obtainedfar the liest results from calomel than anything else. He placed dailya small amount of powder composed of equal parts of calomel and sugar(grape sugar) on the cornea and massaged the eyelid for ten good results by painting the enlargement several times daily with asolution of pyoktanin (1 to 100). The following alterations are also seen in the cornea of the dog:Dermoid of the Cornea.—This condition has already been de-scribed under neoformation of the cornea. We find a peculiar ab-normal collection of true epidermal tissue on the cornea Avhich is coveredwith hair and interferes with the direct action of light, and also produces. Fig. 140.—Dermoid of cornea. irritation in the cornea and conjunctiva (Fig. 140). The hair shouldbe cut off by means of scissors. Thierry observed the same a]3normalityon the sclerotic membrane of both eyes in a three months old was a slight swelling and enlargement above the surface of themembrane which was covered with fine hair. The treatment consists in the removal of the almormality, the eyeis cocained, the dermoid is lifted with a pair of fine curved forceps andremoved by means of a pair of curved scissors. An opacity of the corneafollows as a result; no attempt should be made to remove this for atleast two months, as any friction or manipulation shortly after theoperation is apt to set up great irritation. In removing the dermoidgreat care must be exercised not to cut entirely through the cornea andallow the escape of the contents of the anterior chamber; if any part ofthe dermoid seems to involve the deep structure of the
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