Diameter 70mm minus(-) on minus spherical 0 to -10.00D on minus cylinder 0 to -4.00D Diameter 65mm Plus(+) ( aspheric lens design) on plus spherical 0 to +4.00D on minus cylinder 0 to -4.00D Other size diameter can assignment Diameter 73mm minus(-) on minus spherical 0 to -8.00D on minus cylinder 0 to -2.00D Diameter 73 mm Plus(+) ( aspheric lens design) on plus spherical 0 to +4.00D on minus cylinder 0 to -2.00D Diameter 68 mm   superior anti-reflective coated ASPHERICIAL DESIGN

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	PERFECT PHOTOCHROMIC LENSES 1. Plano photochromic lenses ( decenter plano lenses, any size round lenses) 2. photochromic ophthalmic lenses: WARRANTY TWO YEARS OLD