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    Retinomax Series, the world's leading handheld Ref and Refract Keratometer, delivers wide measurement range on par with table type Ref, 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.


    • Upwards-tilting LCD - The low-reflection, 3.5 inch monitor, featuring a tilting screen with a 100 degree seamless range of motion, new users as well as existing Retinomax users can easily adapt to Retinomax Screeen's user-friendly design.
    • Focus Assist - Informs the examiner of the optimum focusing point using the color-coding system.
    • 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.
    • Automatic Axis Compensation and extended measurement range - Not only does the device let the examiner know the cylinder axis angle, but it can also automatically compensate if it is not level. Measurement range has also been expanded.
    • Loghtweight and easy-to-hold grip
    • Improved battery life - At 180 minutes, the battery capacity is now twice that of conventional models. The longer battery life is beneficial when group-screening, outskirt or performing surgery.

    ** This unit is an Autorefractor and Keratometer **

    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