Amazon.com: Opticlear Ophthalmic Aspheric Lenses in Different Sizes of 90D, 78D and 20 D (78D ASPHERIC Lens) : Industrial & Scientific
Amazon.com: KASHSURG 78D+90D+20D aspheric Lens in Premium case. : Health & Household
Premier Ophthalmic - Save on a Volk Optical 78D lens! With the patented double ashperic design providing enhanced imaging and optimally designed for use within range of motion of all slit lamps!