OCULUS Binoptometer® 4P

A Superlative Vision-Screening Instrument

The Binoptometer® 4P is a professional screening instrument for testing all relevant visual functions. The used future-oriented technology allows an almost unlimited representation of various vision tests.

Vision-screening instrument with contrast sensitivity testing and optional mesopic vision and glare sensitivity testing.




New Test Presentation

Vision tests are presented on a high-resolution micro-color display, allowing a virtually unlimited presentation of vision tests.


Contrast sensitivity, optional mesopic vision and glare sensitivity testing with just one instrument.


Convenient height adjustment range of 4.13 in. In addition, the viewing angle is fully adjustable up to a 35° downgaze, thus enabling testing to be done ergonomically with any eyeglasses.



Visual Acuity Test

With Landolt rings (in acc. with DIN EN ISO 8596), numbers, letters, tumbling E and acuity symbols for children (optional).

New: Now also ETDRS Charts are available for the visual acuity test.


Colour Vision Test

Large selection of colour plates according to Ishihara and Velhagen-Broschmann colour test plates. The display is calibrated to the exact color temperature, thus guaranteeing ideal color rendering.




Binocular Test

The binocular vision tests are generated by a modern LCD shutter system, which is very similar to natural visual conditions. Furthermore, a variety of stereo-vision and phoria tests guarantees a reliable evaluation of the binocular vision functions.

Contrast Sensitivity Test

A program for testing contrast sensitivity under photopic conditions is also integrated. The contrast sensitivity test can be conducted at various visual acuity levels with Landolt rings, letters and numerals as options.

Mesopic Vision and Glare Sensitivity (Optional)

Visual performance varies in different light conditions. To test visual function under mesopic conditions, a Landolt ring is presented in an environment of low light density (0.032 cd/m²), corresponding to the situation of night driving. The Landolt ring (visual acuity level 20/200) is presented in four different contrast stages (1:23 / 1:5 / 1:2.7 / 1:2). Glare sensitivity is tested by simulating the dimmed light of an approaching vehicle. The test with this glare light is also conducted in the four contrast stages.

New: Due to additional corrective lenses in the range of -0.5 D to -3.5 D the possibility to check night myopia is now available.

Peripheral Visual Field Test

The visual field is tested at seven visual field locations at the right and at the left. Fixation control is done by means of a changing fixation mark in the center of the test screen.

Additional Corrective Lenses

If asthenopic symptoms are present or if the visual acuity values are abnormal, the additional corrective lenses in the range of +4,5 D to -3,5 D can be used to determine whether an undetected (latent) hyperopia (up to +1,5 D), an age-related long sightedness (presbyopia) or myopia, especially night myopia, exist.

Range of Accommodation Measurement

Measurement of the range of accommodation can be a valuable tool for deciding whether special eyeglasses for computer users are needed. The Duane test figure makes a speedy and informative measurement possible.

Optotypes for Children

In addition to the tumbling-E test, we have added additional optotypes for testing the visual acuity of children. These are based on the H-test optotypes.






Our Latest Software Upgrades

Detailed Printouts

  • In addition to the already familiar, short results overview, you can now get a more detailed presentation of the results, visual acuity, color vision test and the Amsler test. Here, you get an overview of all of the answers given by the patient





Program Editor

  • The list of pre-programmed examination programs can be customized according to your requirements. The order of the programs can be changed and examination programs that you don’t need can be hidden.
  • Custom programs can be created and existing programs can be copied and edited.

Improved Color Vision Tests

The instructions for use of the original Ishihara, Velhagen and Matsubara color chart tests state a time within which a chart should be read. To ensure reliable results, we have now also implemented this recommendation in the Binoptometer® 4P. You have the option to activate this function.





Mesopic vision testing under true-to-life conditions

The external light shield of the Binoptometer® 4P permits mesopic vision tests independent of room conditions. It protects the eyes against incident light, allowing examinations also to be conducted in bright rooms.

Lichtundurchlässiger Geräteeinblick des OCULUS Binoptometer® 4P Sehtestgeräts


Transport Trolley for Binoptometer® 4P

Carrying Bag for Binoptometer® 4P

This practical carrying bag can comfortably hold your Binoptometer® 4P and all of its accessories, such as netbook or control unit, test blocks and cables.


Product Overview: The benefits to having the OCULUS Binoptometer® 4P in your office.

In this video Dr. Bradford Ripps from Total Eye Care in New Jersey discusses why he uses the versatile Binoptometer® 4P and how this technology improves patient workflow.

Technical Data

Brightness of exam field Approx. 300 cd/m²
Equivalent to standard light D 65 (color tests D55)
Generation of vision test Micro color display, 800 x 600 pixels
Interface USB
Max. power consumption 60 VA
Voltage 100 – 240 VAC
Frequency 50 – 60 Hz
Weight Unit with height adjustment: 12.3 lbs (incl. power cable)
Unit without height adjustment: 10.6 lbs (incl. power cable)
Unit dimensions (W x D x H) Unit with height adjustment: 8.8 x 8.7 x 17.7 – 21.9 in
Unit without height adjustment: 8.8 x 8.7 x 17.7 in
Recommended computer specifications Intel® Atom™ Z8350, 32 GB storage, 2 GB RAM, Windows® 10


Download OCULUS Binoptometer® 4P Brochure


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