Lens blocking process is fully automatic and consists of aligning, positioning, sealing, pouring and removing lens fro mold

摘要

A spectacle lens is placed in a holder and is aligned (1) after being engraved and or marked. The spectacle lens is then positioned (2). A sealing (3) sleeve is then inverted over the lens so as to make a casting chamber into which molten (4) material is poured. The holder is removed (5),