GRAFTON NEAR VISION UNIT

Manufacturer: GRAFTON
Product code: ACEY012EC

 

The Grafton Near Vision Disparity Unit combines a comprehensive range of tests for refraction and ocular motor investigations.

 

The unit is supplied with polarisation set at 90 degrees x 180 degrees (for UK market) and 45 degrees x 135 degrees (for export or use with a refractor head).

 

The unit is rechargeable, incorporating the latest charging circuitry and is recharged via a plug-in power supply.

 

The new casing has a much smaller footprint to previous models, standing upright on the desktop, and a retractable measuring tape is incorporated.

The tests incorporated in the unit are as follows:

  • Fixation disparity test

  • Polarised foveal suppression test

  • Polarised test for arc & suppression in strabismus

  • Polarised bichromatic test

  • Polarised cross cylinder target & visual acuity balance test

  • Measurement of monocular amplitude of accommodation under binocular conditions

  • Stereopsis test

  • Tangent scale & spotlight

  • N5-N12 Times reading fonts

  • Dominant-eye & accommodation convergence relationship test

  • Visual acuity charts (both letter & E) in decimal notation

  • Near point convergence

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