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    The Retinomax Series, the world's leading handheld autorefractor and autorefractor/keratometer, delivers wide measurement range on par with table type refr, now boasts greater mobility, stability and accuracy. The Retinomax series is widely used as a global standard device for pediatric, screening, medical care in remote areas, disaster area and wide range of ophthalmic scene. 


    • View Finder - With view finder observation, no limit of operator age. Diopter adjustable range is +/-8D the same as Retinomax3. View finder arm angle is changeable of 0-135 degrees, making measurement easy regardless of patient’s position or posture. Adjustable diopter +/- 8D.
    • Wider Eye Piece - Eye piece relief is 48mm from 32.2mm so that enable to look inside image while even looking at outside. No need to stick eye to the eyepiece all the time.
    • Improved battery life - At 180 minutes, the battery capacity is now twice that of conventional models
    • Automatic Axis Compensation and Extended Measurement Range - Not only does the device let examiner know the cylinder axis angle, but it can also be automatically adjusted if it is not level
    • New Child Mode - While the measurement is being taken, a melody plays continually to keep children's attention. A constantly changing color display, both on the outside and inside target the device, also keeps children involved during the process.
    • Light weight and easy-to-hold grip

    Measurement range

    S-20.00D - +23.00D retinoscopy principle
    C+/- 12.00D
    Axis 0-180°

    Minimum required pupil size

    Φ2.3 mm

    Corneal size measurement

    0 – 16.0 mm (manually)

    Radius curvature

    5.00 – 11.00 mm

    Corneal astigmatism

    0 – 12.00D


    0 – 180°

    Residual astigmatism range

    0 – 12.00D

    Residual astigmatism axis

    0 – 180°

    Measurement range (center of cornea)

    Φ3.2 (R8.0 mm)

    PD range

    1 to 83mm



    Chin rest movement range

    45 mm

    Pupil size measurement

    2.0 mm – 12 mm


    254 (W) x 469 (L) x 477 (H) mm


    1.3 kg