The advantages of this revised instrument are many. It enables the operator to complete a chalazion operation more speedily and safely, and with no resulting postoperative trauma to lids.
The locking device is regulated with three notches to enable the operator to regulate the tension on different lids and also to hold the instrument on the lid, especially if the operator wishes to pick up another instrument and an assistant is not present to hand it to him. It saves the task of eversions of the lid so many times, as was experienced with the older instruments when they slipped from the lessening of tension by the operator's fingers. It will also be noted that the ring is larger than the disk of the instrument. This has been made so as to avoid the strangulation of the lid tissues, which was too often a result from the older instruments because