Nidek RT 5100 smart refractor-phoropter


With a Block Polaphor LED Chart Monitor, dial controller, printer, power/communication box, and 2 connection cables.


Included dial controller, printer, power/ communication box, 2 connection cables, near card and rod.

Ergonomic Design

The RT-5100 fulfills the operators’ two dreams: Sophisticated design and comfortable examination. Its stylish design perfectly fits in a small space, providing a quick and accurate exam for both operators and patients.

Smooth, Speedy, Silent Lens Change

The RT-5100 offers quick and smooth lens changes, allowing the operator to show minute changes of prescription at the touch of a button.

High-performance Color LCD Touch Screen

The color LCD touch screen displays a great deal of information, including near vision charts, refraction diagrams, and explanations of common pathologies.

Dial with S/C/A Mode Key

Applying ergonomic principles, the main control dial allows for rapid refractive value changes. The button in the center of the dial allows the operator to easily switch modes (S, C, and A) with one hand, while looking at a patient when performing retinoscopy or the refraction.

Easy Programming and On-screen Assist Function

The RT-5100 offers easy programming of charts, cross cylinder test, and data fields (SPH, CYL, AXIS, and VA). In addition, On-screen assist function guides the operator step-by-step through the entire process.

Accurate Measurement

The RT-5100 forehead position detector incorporates a blue LED which turns off when the patient’s forehead is in the correct position for measurement. Furthermore, the RT-5100 offers R/L independent PD adjustment and has visual field of 40 degrees, for more accurate measurement.

Tiltable, Flip Display

The tiltable LCD screen achieves smooth operation in both sitting and standing positions. Moreover, when used for near testing the displayed contents will be automatically flipped for the patient’s easy view.

The Best Fit Prescription

The RT-5100 incorporates Final Fit, the adjusted power calculation program, to help find the most comfortable prescription for each patient.

Simple Maintenance


Measurable range







-29.00 to +26.75 D (0.12 D / 0.25 D / 0.50 D to 3.00 D increments)

-19.00 to +16.75 D (cross cylinder test, prism test)

0.00 to ±8.75 D (0.25 D / 1.00 D / 2.00 D / 3.00 D increments)

0 to 180º (1º / 5º / 15º increments)

48 to 80 mm (far mode)

50 to 74 mm (near working distance of 35 cm)

54 to 80 mm (far PD possible for 100% convergence)

0 to 20Δ (0.1 / 0.5 / 2Δ increments)

Auxiliary lenses

Cross cylinder lens Occluder

Pinhole plate

Red maddox rod

Red / Green filter

PD check lens

Polarizing filters

Fixed cross cylinder lens

Spherical lenses for retinoscope Dislocation prism

Dislocation prism for binocular balance* Dislocation prism for horizontal phoria* Dislocation prism for vertical phoria* Fixed cross cylinder & dislocation prism for horizontal phoria*

Binocular open fog

±0.25, ±0.50, ±0.25 D Auto-crossAvailable

ø2 mm

Right eye: horizontal, Left eye: vertical

Right eye: red, Left eye: green


Right eye: 135º / Left eye: 45º, Right eye: 45º / Left eye: 135º ±0.50 D (fixed with the Axis set at 90º)

+1.5 D / +2.0 D

Right eye: 6ΔBU / Left eye: 10ΔBI, Right eye: 3ΔBD / Left eye: 3ΔBU

Right eye: 3 to 10ΔBD / Left eye: 3 to 10ΔBU

Right eye: 3 to 10ΔBU / Left eye: 3 to 10ΔBD

Right eye: 5 to 15ΔBI / Left eye: 5 to 15ΔBI

Right eye: 3 to 10ΔBU / Left eye: 3 to 10ΔBD

(only for 21-point Exams Plus Package)


Visual field 40º (VD = 12 mm), 39º (VD = 13.75 mm)
Refraction distance for near vision 350 to 700 mm (50 mm increments)
Forehead rest adjustment 14 ±2 mm
Vertex distance marking 12, 14 (partially 13.75), 16, 18, 20 mm
Horizontal level adjustment ±2.5º
Display 8.4-inch color LCD
Printer High speed line printer
Interface RS-232C
Power supply AC 100 to 240 V, 50 / 60 Hz
Power consumption 80 VA
Dimensions / Mass

Refractor head

Control box

Relay box


405 (W) x 102 (D) x 276 (H) mm / 3.5 kg15.9 (W) x 4.0 (D) x 10.9 (H)” / 7.7 lbs.

220 (W) x 206 (D) x 200 (H) mm / 1.9 kg

8.7 (W) x 8.1 (D) x 7.9 (H)” / 4.2 lbs. 194 (W) x 227 (D) x 72 (H) mm / 2.2 kg 7.6 (W) x 8.9 (D) x 2.8 (H)” / 4.9 lbs. 102 (W) x 86 (D) x 121 (H) mm / 0.3 kg

4.0 (W) x 3.4 (D) x 4.8 (H)” / 0.7 lbs.


You can watch user manual video of the smart phoropter Nidek RT-5100:


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