| 摘要 |
<p>A method of lathing a lens, specially a contact lens, involves attaching the cylindrical blank (1) of lens material to a first block (2) of machineable plastic material, lathe cutting a desired first lens surface (6) in the cylindrical blank (1), attaching the machined first lens surface (6) of the blank (1) to a second block (15), lathe cutting to remove the block (15) of machineable plastic material, and lathe cutting a desired second lens surface in the blank (1). Both the first and second blocks (2, 15) may be adhered to the lens blank (1) with an adhesive curable by ultraviolet radiation, and a two-piece block (15), composed of a head section (16) and a body section (19), is disclosed.</p> |
