Bernell

//Bernell
  • 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+
  • 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
  • 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
  • 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
  • Ishihara Pseudo-IsochromaticIshihara Pseudo-Isochromatic
    Ishihara Pseudo-Isochromatic Test The most widely used standard of color vision screening in a book form. Instructions Included.
  • 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
  • Large Kindergarten Vision Test Chart
    20/200 to 20/10 size. 22-1/2" x 11" Item #: BC1243
  • 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
  • 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 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 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 ETDRS Translucent Chart
    Adult LEA NUMBERS® chart for ETDRS Illuminated light boxes. Fits all existing ETDRS cabinets including both the ESV3000 and ESC2000. LEA NUMBERS® ETDRS chart contains optotypes in proportionally spaced (logMAR) lines; lines range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Fits in ESV3000 ETDRS illuminated cabinet.
  • Lea Numbers Pocked Sized Near Card
    This test is designed for testing patients' visual acuity during rounds and in similar situations with a need for quick testing. The test has proportionally spaced (logMAR) lines on one side and tightly crowded lines (50% spacing) on the reverse side Line sizes from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. 3.75" x 6.25" (9.5 cm x 15.9 cm).
  • Lea Numbers and Letters Projector Slide
    Designed for use in manual Chart Projectors including products from: R.H. Burton, Marco, Reichart, Topcon, and Woodlyn. Includes test for: → LEA Numbers® 20/125 – 20/10 (17 Lines) (Multiple Lines 20/50 – 20/10) → Sloan Letters 20/400 – 20/10 (20 Lines) (Multiple Lines 20/50 – 20/10) Item #: VA3201
  • Lea Puzzle
    The LEA Puzzle is designed for training and assessing typically developing toddlers and other young children. The puzzle also serves as an assessment tool for individuals with brain damage or for older children and adults with low cognitive abilities. The goal in the play training of toddlers and young children is to help them develop the concept of same/different as a prerequisite for early measurement of visual acuity.
  • Lea Symbols & Numbers Near Card
    This cards combines a LEA Symbols® line test on one side and a LEA Numbers® line test on the opposite side. Proportionally-spaced lines from sizes 20/400 to 20/10 (6/120 to 6/3) equivalent. Attached 16-inch (40cm) cord ensures proper testing distance. Response key printed on test card. Flash cards and instructions included. 8" x 10" (20.3 cm x 25.4 cm).
  • Lea Numbers 13 Line Trans Distance Chart
    Proportionally spaced (logMAR); line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50. This chart can either be wall mounted or used in an ESV1200 or Model A+ illuminated cabinet. Includes response key, training cards, and instructions. 10 feet/3 meters testing distance
  • Lea Symbols 15 Line Folding Distance Chart
    Lea SYMBOLS® 15 Line Folding Distance Chart For screening or testing individuals beginning at age 2 1/2. Proportionally-spaced lines; line sizes range from 20/200 to 20/8 (6/60 to 6/2.4) equivalent. 50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/100 to 20/8 (6/30 to 6/2.4) equivalent. Has a hole for hanging the chart on the wall.
  • Lea Symbols Book with Crowding Bars
    Handheld vision test with LEA Symbols pediatric symbols features 50% spaced contour interaction bars to provide single optotype acuity with the proper crowding effect. Optotype line sizes from 20/100 to 20/20 (6/30 to 6/6) equivalent. This book can also be used for vision testing of illiterate adults or geriatric patients. Includes response key, flash cards, and instructions. 17 pages. 4" x 4" (10.2 cm x 10.2 cm).
  • Lea Symbols Near Vision Card
    This test assesses a child's functional vision at near distances. Can also be used to familiarize child with testing procedure before introducing a distance test. Proportionally spaced (logMAR) lines on one side and more tightly- spaced symbols on the opposite side. Line sizes range from 20/400 to 20/10 (6/120 to 6/3) equivalent, 0.05 to 2.00. Response key printed on test card. Includes training cards and instructions. Card measures 8" x 10" (20.3 cm x 25.4 cm).
  • Lea Symbols Pocket Near Card
    Pediatric near vision card featuring LEA Symbols pediatric symbols for testing children or illiterate adults at 16" (40 cm). It's small size makes it easy to carry or store. Front side contains proportionally-spaced lines in logarithmic progression with line sizes ranging from 20/400 to 20/10 (6/120 to 6/3) equivalent. The reverse side features pediatric symbols in 50% spaced rectangle (Massachusetts Visual Acuity Test format). Line sizes range from from 20/100 to 20/16 (6/30 to 6/4.8).
  • Lea Symbols Single Symbol Book
    The Single Symbol Book is ideal for people who cannot perform when tested with a line test. This book can help determine the best resolution of the visual pathway in a child/adult with amblyopia or impaired vision. Single optotype line sizes from 20/200 to 20/8 (6/60 to 6/2.4) equivalent.
  • Lea Symbols and Letters Projector Slide
    Designed for use in manual Chart Projectors including products from: R.H. Burton, Marco, Reichart, Topcon, and Woodlyn. Includes test for: → LEA Symbols® 20/100 – 20/10 (18 Lines) → LEA Numbers® (16 Lines) (Multiple Lines 20/50 – 20/10) → Sloan Numbers 20/100 – 20/10 (16 Lines) (Multiple Lines 20/50 – 20/10) Item #: VA3203
  • Lea Symbols Numbers and Letters Projector Slide
    Designed for use in manual Chart Projectors including products from: R.H. Burton, Marco, Reichart, Topcon, and Woodlyn. Includes test for: → LEA Symbols® 20/100 – 20/10 (18 Lines) → LEA Numbers® (16 Lines) (Multiple Lines 20/50 – 20/10) → Sloan Numbers 20/100 – 20/10 (16 Lines) (Multiple Lines 20/50 – 20/10) Item #: VA3202