See video ZN-215-DF LED chart vision, 21.5 inch, 1~ 6m, polarization and stereopsis optional $ Login Add to cart
See video FA-6100B Auto refractometer, Dist: 0, 12, 13.75, Sph: 0~ ±20.00D, Cyl: 0~ ±8.00D, Pd:45~88, Min.Pupil: Φ2.0 $ Login Add to cart
LY-22C-1 LED Super thin 5M Standard logarithmimc and children logarithmic Visual chart light box $ Login See options
FA-6100AK Auto refractometer with keratometer, Dist: 0, 12, 13.75, Sph: 0~ ±20.00D, Cyl: 0~ ±8.00D, Pd:45~88, Min.Pupil: Φ2.0, Corneal: 2~14 $ Login Add to cart