SPHERICAL LENSES: +16.75D to -19.00D (0.25D steps) two-sphere power dial combination.
SPHERICAL LENSES: +16.75D to -19.00D (0.25D steps) two-sphere power dial combination.
SPHERICAL LENSES: +16.75D to -19.00D (0.25D steps) two-sphere power dial combination.
The Shin Nippon Auto Refractor Keratometor is compact and light weight design will gives you fast, accurate maesurements. The unit can interface with a computer and monitor for greater analysis possibility. Measures: Sph +/- 25.0 D, Cyl +/_ 10.0 D, PD, Peripheral, & Vertical & Horizontal Eccentricity at a touch of a button.