Bernell

//Bernell
  • Vergence FacilityVergence Facility 12D BO and 3D BI
    A good binocular screening device. Performed at a distance of 40 cm with a target of 20/30. Most normal patients can cycle between these prims 15/minute. Those with difficulty should be more thoroughly tested. 12D Base-Out and 3D Base-In. Prism is 1.5 inches square. Item #: G1110+
  • Bernell Necklace 3D Variable Tranaglyph 1Bernell Necklace 3D Variable Tranaglyph
    New 3D Modeled Variable Tranaglyph. Comparable to the popular Quoit Vectogram.
  • Variable Tranaglyph AVariable Tranaglyph
    Variable Tranaglyph™ Kit (500 Series) Variable prismatic red/green slides help build initial fusional reserves through peripheral and central fusion as well as stereopsis. Effective home training slides feature 5.5" x 10.5" red/green targets on transparent vinyl. Item #: BC500+
  • Frisby Stereo Test
    All Frisby Stereo Test Present "real depth" objects viewed with natural vision: not testing glasses are required. Each plate has four random-patten squares, with a circle of pattern elements, lying in depth relative to its surround. The depth effect is due to the circle and its surround being printed on opposite sides of the plate. The purpose of the Frisby Screening Stereo Test - Single Plate, is to demonstrate the presence of stereopsis.
  • Preschool Vision Test
    Pocket size cards for testing and evaluating non-readers. Seven different test targets printed on either side of 4 plastic cards with instructions on eigth side. Washable. Handy test for student clinicians and practicing professionals alike.
  • Stereo Trainer 900 SeriesStereo Trainer 900 Series
    Red/Green TV trainer or can be placed on a printed page and used as a reading unit. Used to build binocularity in true space.
  • Yoked Rotating Prism Set for Adults - VTE
    Case with yoked rotating prisms with clips of positive and negative lenses and red-green filters to add. The clips enhances the possible use of the glasses and make their use during VT more versatile. High quality plastic prisms. The prismatic power is cut on the surface near the prism's apex together a tactile notch. Each plastic clip has a sticker that is visible from both sides, with the power of the lens and has a shape designed to make the fitting on the frame easy. The set includes: 2 empty plastic frames with nasal anatomical fit and adjustable elastic, central screw for locking and unlocking the prisms, and a pair of prisms for each power: 1, 2, 3, 4, 5, 8, 10, 15, 20, 25 PD. Also included is: A pair of clips for each spherical power with binoncave and biconvex lenses: +.50, +1.00. +1.50, +2.00, +2.50, +3.00, -1.00, -2.00, -3.00, -4.00, -5.00, -6.00D; 1 green filter clip; and 1 red filter clip. Item #: E/RYPSETA1
  • Family Practice Projector Slide
    Designed for use in manual Chart Projectors including products from: R.H. Burton, Marco, Reichart, Topcon, and Woodlyn. Includes test for: → Tumbling E 20/400 – 20/200 (3 Lines) → Sloan Letters 20/100 – 20/10 (11 Lines) → Astigmatic Clock → Sloan Letters 20/50 – 20/10 (6 Lines) → Tumbling E 20/50 – 20/15 (5 Lines) → Allen Acuity 20/100 – 20/40 (4 Lines) Item #: VA1193
  • SMD card
    A durable home monitoring test card for those patients needing to detect metamorphopsia. Espically useful with ARMD and PMF. The back of the card contains near point reading material of various type sizes. This allows the patient to monitor possible changes in visual acutiy. The card is made of a washable plastic material. Size 5-1/2" by 8" Item #: BC11980
  • Worth 4-Dot Flashlight
    Worth 4-Dot Test Flashlight Used for testing and training of fusion, suppression, and/or diplopia. Red/Green goggle included. Requires 2 C batteries (not included).
  • DISTANCE ACUITY GUIDE FOR PROJECTOR SLIDES Target size guide from 7.5ft to 26ft in 0.5ft steps, ranges up to 30ft.
  • Variable Tranaglyph (920 Series)
    Variable Tranaglyph™ Kit (920 Series ) A simple cost-effective technique for improving fusional reserve. Variable prismatic trainer has a 40PD Base-In/Base-Out range.