Retina Lens Size 20D, 78D and 90D $187.00 20D R4999 78D R4580 90D R4580 Retina Lens Size 20D, 78D and 90D quantity Add to cart Category: Ophthalmology Products Description Description Retina Lens Size 20D, 78D and 90D Related products MP-60 Led Manual Phoropter $840.00 Add to cart Ophthalmic Unit Refraction Chair Unit CS-700 $1,942.00 Add to cart Optometry Unit Ophthalmic Unit Phoropter Stand – CS-200 $1,838.00 Add to cart