CHAPTER IV 



OPERATIONS ON THE LIDS 



Operations on the lids are necessary to correct 

 certain deformities, such as ectropion, entropion, trich- 

 iasis, and ptosis. In doing operations on the Hds 

 requiring incisions of the external parts In animals the 

 hair should be shaved from the part incised, so that it 

 will not be caught in the wound when the sutures are 

 applied. 



The same antiseptic and aseptic precautions should 

 be used as in doing operations on other portions of the 



Fig. 9. — Knapp's lid clamp. (de Schweinitz, "Diseases of the Eye.") 



body, but the operator should be careful that strong 

 antiseptic solutions do not enter the inner portion of the 

 lids and injure the cornea. The lid clamp or horn 

 spatula (Fig. 9) should be placed beneath the hd to 

 afford more resistance and firmness when making in- 

 cisions and to protect the eyeball. This should be sup- 



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