Range overview · Orthoptics & synoptophore
Bernell
Vision therapy and orthoptic tools since 1954
Bernell was founded in 1954 by Dr. Bernard Vodnoy and today operates as a division of Vision Training Products, Inc. in Mishawaka, Indiana. Its range of more than 2,000 products centres on vision training and binocular vision tools, alongside primary eye-care supplies.
Product range · 12 product lines
Vision therapy
- Bernell-O-Scope™Stereoscope for base-in/base-out fusion and cheiroscopic training; tabletop or handheld use, optional card sets.
- Tranaglyphs™ & VectographsRed/green and polarised variable targets for training convergence, divergence and stereopsis.
- Brock String DevicesPhysiological-Diplopia Cord™, Phy-Dip Trainer™ and lighted strings to train binocularity and overcome suppression.
- Aperture Rule™ TrainerAperture trainer with interchangeable card sets for building fusional reserves, stereopsis and accommodation.
- Anti-Suppression TrainersPolarised or red/green reading units, stereo trainers and tablet clings that keep both eyes working together.
- Marsden Balls & Rotation TrainersMarsden balls and table or floor rotation trainers for tracking, saccades and eye-hand coordination.
Flippers, prisms & occlusion
- Accommodative & Prism FlippersAccommodative flippers with glass lenses (±0.25 to ±4.00 D) and flat or curved prism flippers (1–12 Δ).
- Prism Bars & Loose PrismsHorizontal and vertical prism bars (complete set 1–45 Δ) plus loose and stick prisms for testing and training.
- Occluders & Bangerter FoilsHandheld and clip-on occluders, the Occlud-A-Measure™ and graded Bangerter foils for amblyopia treatment.
Diagnostic tests
- Stereo TestsThe glasses-free Bernell Stereopsis Test (BEST) plus polarised fly, butterfly and random-dot stereotests.
- Fusion & Suppression TestsWorth 4-Dot, Bagolini lenses, the Test Lantern™ and FBAT™ plates for assessing fusion, suppression and phorias.
- Macula Integrity Tester (MIT™)Haidinger-brush instrument for detecting and training eccentric fixation.
We list the main product lines. Ask us for specific models, specifications and prices.