El tipi Otorefkeratometre Retinomax K-plus3

*New Product!

Compact, light weight wireless handheld Refract Keratometer

With just 999g (equipped with battery), it is 17.5% lighter than previous Retinomax k-plus2. The center of gravity is design in the grip handle make it even much comfortable to hold.
High performance Keratometer function
Best use during operation or typical objective eye examination.
High speed Keratometer measurement
Only takes 0.34sec for continuous Ref/Ker measurement.
Auto Quick function
If no measurement is made within 6 sec, system will automatically activate Quick mode which takes only 0.07 sec to finish the measurement. Best use on infant or small children.
Parallel Sensor
Parallel sensor detect inclination of main body and display value. Level will display on screen in every 2˚ pitch up to ±12˚, and every 3˚ pitch up to ±45˚.
(This is only applicable on standing position but not lying down)
Three type of fixation target (Specified in advance while ordering)
Turip / Rocket / Bear (Suit for infant or small children)



Measurement range
Spherical (S + C)
-18.00D to +23.00D (in 0.25D increment)
0 to +12D or 0 to -12D (in 0.25D increment)
Cylinder axis
1 to 180° (in 1° increment)
Minimum pupil size
Φ2.3 mm (Auto Quick)
Vertex distance
0, 12 mm adjustable

Measurement of radius of curvature

Measurement range
Radius of curvature
5.00 to 11.00 mm (in 0.01 mm increment)
Corneal astigmatism
In 0.25D increment
Cylinder axis
1 to 180° (in 1° increment)
Φ3.2 mm (R8 mm)
Φ6.8 mm (R8 mm) (25° vertical/horizontal)


Measurement time
Kerato and Refract (continuous)
0.34 sec. per indication (continuous)
Kerato alone
0.2 sec. per indication (continuous)
Refract alone
0.14 sec. per indication (continuous), 0.07 sec. (Quick)
Pupil size measurement time
+0.27 sec./1 time
Dimensions (main body only)
170(W) x 230(H) x 240(D) mm
Approx. 999 g (with battery) (Battery alone: Approx. 100 g)