Character: sharp tip.

Indication: for stabbing incisions in the mucosa or 
                    skin and making deep wound.

Uses: chalazion incision and curretage; opening of 
           lacrimal sac during DCR.
 

Character: sickle shape with the sharp tip and cutting edge 
                   on the inside of the curve.

Indications: operating at the base of a small incision; the cutting 
                      edge is guarded to avoid accidental injury to 
                      surrounding tissues.

Uses: suture removal; cutting of nasal or lacrimal mucosa 
           during DCR
 

Character: rounded contour

Indication: cutting skin

Uses: blephraoplasty; skin excision