In a preferred method for forming lenses incorporating the designs of the invention, a thermoplastic optical mold, made from any suitable material including, without limitation, cyclic polyolefins and polyolefins such as polypropylene, polystyrene resin, cycloolefin-based polymers such as TOPAS, which is an amorphous copolymer based on cycloolefins and ethylene, commercially available from Ticona,