Method for treating plastic mold pieces
 Surface characteristics of cast molded contact lenses are improved by removing substantially all the oxygen from the plastic mold pieces prior to casting the lenses. 
Bausch & Lomb Incorporated
B B B
B29C B29C B29D
inventional inventional inventional
Paul L. Dominic V. Makarand G.
Valint, Jr. Ruscio Joshi