Bernell Variable Prism Viewer™

This new instrument allows yoked or regular prism in discrete steps to diagnose or train many binocular problems. The unit works well with distance training, or with trial lenses, can be used for near task. Bernell-O-Scope™ cards or Aperture Rule™ cards can be attached to unit.

Prism bars are held in track by detents to allow quick changes in prismatic powers by patient or therapist. Prisms can be set for most powers up to 40D BI or BO or Base Right or Base Left yoked prism. Unit can be used to determine the need for yoked prisms to straighten phoropter.

Vertical prism bar available as accessory. Unit comes with two prism bars. Comes with Bernell-O-Scope™ back and special B/W cards. You can buy colored cards also.

Email a Friend