Crystalens AO

AT50AO Overall Diameter => 11.5mm; +17 D to +33 D in 0.05 steps, +18D to +22D in 0.25D steps AT52AO Overall Diameter => 12.0mm; +4D to +9D in 1.0D steps, +10D to +24 D in 0.50D steps

Lens Manufacturer:
Bausch+Lomb