MECHANISM OF ACTION OF SOME CUTTING SURGICAL INSTRUMENTS WHICH ARE USED IN OCULAR SURGERY. &quot;DESCRIPTION OF A RAZOR BLADE HOLDER OF A COMPASS KERATOTOME
MECANISMO DE ACCION DE ALGUNOS INSTRUMENTOS CORTANTES QUE SE UTILIZAN EN CIRUGIA OCULAR. &quot;DESCRIPCI'ON DE UN PORTAGILLETE W DE UN QUERAT'OTOMO A COMP'AS