TRU1

OCU-TRU1 Tabletop Refraction Unit

Test Vision, Not Your Space Limits.
Space-Smart Design: Fits seamlessly on any desk or wall—no rear projection needed.
Proven Accuracy: Delivers gold-standard visual acuity results (0.05 to 2.0 logMAR) in rooms as small as 3 feet deep.
Clinically Validated: Matches ETDRS chart performance, trusted by top eye care pros.
Effortless Integration: Portable, user-friendly—set up in seconds for high-volume practices.

Key Features

  • Compact and stylish design.
  • Flexible optometry environment; Technical Specifications
  • No more worries about limited optometry space;
  • No more confusion from unprofessional optometry;
  • Value every square inch of your optometry;
  • OCU-TRU1 is dedicated to professional optometry and value enhancement.

Technical Specifications

Chart type T, UK, M, P, PhM, C
Refraction distance
Mask
Distance: 5 Meter, Near: 40 cm
Single-Line, Single-Column, Single Optotype Display
Filter Red/Green
Binocular vision test Red-green, Prism
Sphere -29.00 ~ +26.75D (Regular Test)
-19.00 ~ +16.75D (Cross Cylinder, Prism Test)
(Step: 0.12D / 0.25D / 0.5D / 1D / 2D / 3D)
Cylinder 0.00 ~ 8.75D (Step: 0.25D / 0.5D / 1D / 2D / 3D)
Axis 0 ~ 180º (Step: 1 / 5 / 15 / 30 / 45°)
PD Distance : 50 ~ 75 mm
Near : 49 ~ 70 mm
Prism 0 ~ 20△ (Step: 0.1△ / 0.2 △ / 0.5 △ / 1 △ / 2 △)
Cross cylinder lens Jackson Cross Cylinder ± 0.25D
Jackson Cross Cylinder ±0.50D
Dual Cross Cylinder
Occluder Available
Pinhole plate Ф 1 mm
Red/Green filter Right eye (red), Left eye (green)
PD check lens Available
Fixed cross cylinder lens Jackson Cross Cylinder
±  0.50D, Axis fixation 90°
Spherical lenses for retinoscope +1.5D, +2.0D (Test Distance 67cm, 50cm)
Red maddox rod Right eye: horizontal, Left eye: vertical
Dissociation prism Right eye (6 △ BU), Left eye (10 △ BI) can be added to 0~5 △
Dissociation prism for binocular balance Right eye: 3 to 10ΔBD / Left eye: 3 to 10ΔBU
Dissociation prism for horizontal phoria Right eye: 3 to 10ΔBU / Left eye: 3 to 10ΔBD
Dissociation prism for vertical phoria Right eye: 5 to 15ΔBI / Left eye: 5 to 15ΔBI
Fixed cross cylinder & dissociation prism Right eye: 3 to 10ΔBU / Left eye: 3 to 10ΔBD
Binocular open fogging 0.00 to +9.00 D
Visual field 32° (VD=12 mm)
Forehead rest adjustment 25±5 mm
Vertex distance marking 12, 13.75, 16, 18, 20 mm
Level adjustment ±2.5º
Refractor arm Electrically-driven
Up-and-down of refractor arm 180mm
Display 8-inch color LCD
Printer Built-in Printer
Interface RS-232
USB
Power supply 100 to 240 V AC, 50/60Hz
Power consumption 140 VA
Dimensions
Mass
Refractor Body: 353 (width) * 114 (depth) * 353 (he ight)mm, 3.5 kg
Controller: 220 width) * 2 30 (depth) * 2 10 (height)mm, 5 kg
Space Saving Chart Unit: 450(W)×555(H)×470(D)mm;Weight: 20kg

OCU-TRU1 has multiple measurement functions and comprehensive functionality