Hand-held vision screener AI-one

Hand-held vision screener AI-one

★7-inch, 1080P, LCD touch screen
★input power:100-240V,50/60Hz
★Spherical power:-8.00D to +8.00D (±0.25D)
★Cylindrical power:-3.5D to +3.50D (±0.25D)
★Axis:0-180°
★Measuring distance:98cm (土3cm)
★Measurement time:<15 seconds