Birmingham Optical Group

NIDEK AR-310A Auto Refractor

This entry level Autorefractor offers superb value for money. The combination of the new measuring principle (Pupil Zone Imaging Method) and unique technology (Superior Luminescent Diode) offers high accuracy and reliability in refraction measurement.
Features & Benefits

Improves measurement capability even with dense cataract and IOL implanted eyes.
Pupil Zone Imaging Method - analyses a wider area (max 4mm) to obtain more reliable data closer to the manifest refraction.
Superior Luminescent Diode - for improved image quality clearer and sharper than that of LED.
High Speed & Accurate Measurement
Easy Operation - Motorized Vertical Movement with the Joystick
Automatic PD Measurement
Automatic Window Dust Detection

Technical Specification

Measurable Range	Sphere -30.00D to +25.00D (VD=12mm) (0.01D/0.12D/0.25D increments) Cylinder 0D to ± 12.00D (0.01D/0.12D/0.25D increments) Axis 0° to 180° (1° / 5° increments)
VD	0 / 10.5 / 12 / 13.75 / 15 / 16.5mm
Minimum Pupil Size	Ø2.0mm
Measurement Speed	0.3sec.or less
PD Measurement
Measurable Range	30mm to 85mm (Near point PD: 28mm to 80mm at W.D.=40cm)
Chart	Scenery Chart
Alignment Observation	Tilt able 5.7 inch colour LCD
Measurement indication	Monitor display
Printout	Built in thermal type (High speed line printer)
Interface	RS-232C, IN/OUT
Power supply	100 / 120Vac ± 10%, 200-220 Vac ± 10%, 230-240Vac ± 10%, 120VA, 50/60Hz.
Dimensions/ Weight	260(W) x 481(D) x 455(H)mm / 20kg
Standard Accessories	Spare fuse, Print rolls, Power chord, Dust Cover, Chinrest paper, Fixing pins & Model Eye.
Optional Accessories	Motorised stand, Interface cable, Barcode Scanner

Product Code EQ0673