UniSys – Plus Professional Visual Refraction System

Color Test:

  • This test measures your ability to see a pattern based on its color.
  • By testing with different colors we are able to understand which colors you may have difficulty seeing.
  • When a person has color blindness, they are able to see some colors better than others.




Stereo Tests:

  • Provide an easily administered check of stereoscopic depth perception at any age level.
  • Its purpose is to measure how minutely the two eyes can discern differences in the distances of objects from the observer.





Astigmatic Correction – Cylindrical Power

  • Astigmatic correction 1o – 180o @ 1o increment Fast and accurate cylindrical power prescription.
  • Verify patient cylindrical under / over correction.


Contrast sensitivity :

  • 50%, 25%, 12.5% and 6.25% contrast sensitivity variations.
  • Test to detect early cataract, glaucoma, retinal and occular defects
  • Test available on all optotypes and ETDRS


Red – Green Duchrome test :

  • Test for final spherical correction to prevent over or under correction
  • Perform Red – Green test at patient’s best corrected acuity : 6/6 to 6/60
  • Test available on all optotypes display modes and ETDRS


Refraction distance :

  • Set Unisys from 3 feet to 25 feet at 1 inch increment
  • Fits in small refraction area.
  • Effective utilization of clinic space


Randomization and Display modes

  • True software generated random optotype display. No repetition
  • Display mode : 1 x 1, 5 x 1, 5 x 3. ETDRS on all optotypes
  • Mirror mode option available


Stereopsis – Colour vision – Functional tests :

  • Stereo test for 3D depth perception using Red – Green goggles
  • Colour vision Test
  • Functional tests : Worth 4 Dot, Schober test, Phoria, etc.


Twin Remote mode :

  • 2 Unisys units can be kept next to each other without remote interference
  • All selection through single – key selection. Directly jump to any function
  • No menu selection


16 GB USB for surgical videos and images :

  • Surgical Video clips and images for patient education.
  • Cartoon movie for pediatric patients.


Software based :

  • 10 years of refraction system embedded software
  • Most proven and rugged performance
  • Display monitor available : 19″HDMI
  • Free lifetime software upgrade as and when available


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