Bernell

//Bernell
  • Lea Numbers 15-Line Distance Chart
    This test is designed for vision screening at schools and assessment of vision of children with special needs beginning with age of 5 years. Proportionally spaced (logMAR); line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Has hole for hanging on the wall. 18" x 20" (45.7 cm x 50.8 cm). Folds to 18" x 10" (45.7 cm x 25.4 cm).
  • Lea Numbers 12-Line Translucent Distance Chart
    Proportionally spaced (logMAR); line sizes range from 20/100 to 20/8 (6/30 to 6/2.4) equivalent, 0.20 to 2.50. This chart can either be wall mounted or used in an ESV1200 illuminated cabinet.
  • Lea Grating Acuity Test
    This test can be used with infants, children and adults with low cognitive abilities when communication difficulties prohibit the use of optotype tests to measure visual acuity. This test measures an individual's ability to detect the presence of parallel lines of decreasing width to provide information about the function of some parts of visual pathways. Item #: GF1300
  • Lea Amblyopia Distance Test
    Fly Acuity Test with Lea SYMBOLS® Test designed to rapidly test for amblyopia & strabismus using gross thru fine stereopsis. (4800 to 20 sec of arc) - Graded Circle Test from 800 sec now down to 20 sec - No monoculur clues - New improved booklets - Answer Key on back cover - Includeds polarized viewers
  • Large Kindergarten Vision Test Chart
    20/200 to 20/10 size. 22-1/2" x 11" Item #: BC1243
  • Kindergarten 20ft Test
    9" x 14" Translucent Plastic May be used with illuminated test cabinets or as a wall chart 20/100 to 20/10 Item #: BC1263
  • Ishihara Pseudo-IsochromaticIshihara Pseudo-Isochromatic
    Ishihara Pseudo-Isochromatic Test The most widely used standard of color vision screening in a book form. Instructions Included.
  • Intermediate Horizontal and Vertical Prism Bars
    Set Includes Vertical prism bar with the following powers: 0.5,1,1.5,2,3,4,5,6,8 & 10 Horizontal prism bar with the following powers: 1,2,4,6,8,10,12,15,20 & 25 Item #: ACPS20
  • Infant Pediatric Color Test
    This test is similar to the Ishihara Isochromatic Test. 10 plates with non-verbal animal patterns. Originally created by Hiro Matsubara, MD. Printed in Japan. Item #: AT400
  • Illiterate 20ft Test Chart
    9" x 14" TRANSLUCENT PLASTIC MAY BE USED WITH ILLUMINATED TEST CABINET OR AS A WALL CHART 20/200 to 20/15. Item #: BC1262
  • Phoria CardPhoria Card 1
    Phoria Cards Test vertical and horizontal muscle balance at near and far. Used with Maddox Rod and Penlight. Referral considerations indicated on cards for imbalance beyond certain prism diopters or balance beyond specified esophoria and exophoria ranges. Shows phoria to parents!
    Item #: BC1209+
  • Howell Phoria CardHowell Phoria Card
    Both Near and Far come with a single 6 PD stick prism. These cards allow direct measurement of the distance and near phorias in real space or with a phorpter. The patient simple has to tell which number the arrow points to. Any odd number (in yellow) shows esophoria while the even numbers (in blue) shows exophoria. An AC/A can quickly be determined with trial lenses. The reverse side of the near card has a X-Cyl target, and a variety of letter and word targets. Near card is about 12" wide. Distance chart is about 24" wide. Item #: CDHP+