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SearchGood Lite LEA GRATINGS Preferential Looking Test
LEA GRATINGS® are for preferential looking test situations with infants or children and adults with disabilities to determine detection acuity. Grating levels printed on each handle are: 0.25, 0.5, 1.0, 2.0, 4.0 and 8.0 cpcm (cycles per centimeter of surface). Includes instructions, a storage case, and 4 paddles. Dimensions: 8″ (20 cm) in diameter.
Good Lite Lea Symbols Flash Cards
Good Lite Lea Symbols Flash Cards This set of flash cards was designed for testing distance visual acuity in children and adults who have difficulty with visual acuity charts, the Crowded Symbol Book Test, or the Single Symbol Book Test. Line sizes from 20/200 to 20/8 (6/60 to 6/2.4) equivalent, 0.10 to 2.50. Includes response […]
Good Lite Lea Symbols Playing Cards
These playing cards are specially designed to make it easy to measure near visual acuity in young children while teaching concepts of similar/different, big/small, bigger/smaller. The four packs contain 16 cards each with symbols of varying sizes: 16M and 10M, 6.3M and 4M, 2.5M and 1.6M, and 1M and 0.63M. Flashcards and instructions are included. […]
Good Lite VIC Preschool Vision Screening Flip Chart
This handheld flip chart features LEA SYMBOLS® and HOTV optotypes for screening 3 and 4+ year olds. The background is gray with the exception of a white rectangle spaced at 50% surrounding each line of symbols. Contains one practice line of 20/80 and critical line sizes of 20/40 and 20/32. Contains 6 offset pages for easy flipping. Dimensions: 3.25″ x […]
Good Lite Lea Symbols Near Screener Card
This double-sided standardized vision test is designed for amblyopia screening and testing children who have difficulties when tested with the standard near vision card. The background is gray with the exception of a white rectangle spaced at 100% surrounding each line of symbols. Line sizes range from 20/400 to 20/16 (6/120 to 6/4.8) equivalent, 0.05 […]
Good Lite Lea Symbols Translucent Distance Chart Set (3 Meters)
A LEA SYMBOLS® translucent distance chart with proportionally spaced optotypes (logMAR). Line sizes range from 20/125 to 20/8 (6/38 to 6/2.4) equivalent, 0.16 to 2.50 for repetitive or monocular vision testing (left eye/right eye). This chart can either be wall mounted or used in an ESV1200, ESV1500, or a Model A+ illuminated cabinet. The set includes the chart, a response […]
Good Lite Lea Symbols Domino Cards Set
Assess the near visual acuity of 2- and 3-year-old children or use these paper cards at any age (older than 2+ years) to train an amblyopic eye. This set contains 3 packs of 16 domino-like cards with a large symbol at one end and a small symbol at the opposite end. LEA SYMBOLS® sizes are 3.2M […]
Good Lite Lea Symbols 3-D Puzzle Set
The LEA 3-D PUZZLE® is designed to support the development of the concept of “same,” first with colors, then with black & white concrete forms that are prerequisites for the measurement of recognition acuity with the LEA SYMBOLS® tests at an early age. During play, you can also observe eye-hand coordination and awareness of direction which are […]
Good Lite Lea Symbols Crowded Symbol Book
The Crowded Symbol Book is designed for testing children and adults who have difficulty reading the optotypes on the big charts. This test is the smallest line test when the central symbol is used as the test symbol. The four symbols surrounding the central symbol interfere with the recognition of the central symbol closely the […]
Good Lite Lea Symbols Near Vision Card
This test assesses the functional vision of a child at near distances and can also be used to familiarize a child with the testing procedure before introducing a distance test. Features 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 […]
