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  • LEA SYMBOLS® Linear Spaced Chart

    LEA SYMBOLS® Linear Spaced Chart

    A LEA SYMBOLS® vision chart with linear-spaced lines; line sizes range from 10/50 to 10/5 (3/15 to 3/1.5) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR. This chart can either be...

  • LEA MAILBOX GAME®

    LEA MAILBOX GAME®

    This game is used to assess the visual perception of line orientation. Tests two components: Information for the hand movements in the parietal lobe and Picture perception in the inferior temporal lobe. To observe the first function, the child is...

  • LEA RECTANGLES GAME®

    LEA RECTANGLES GAME®

    This educational toy is a modified version of the Effron rectangles and is used to assess size perception. The LEA RECTANGLES GAME® contains two groups of rectangles. A child with normal vision can visually distinguish between a longer and...

  • HEIDI® Expressions

    HEIDI® Expressions

    Some children with brain damage-related vision loss may achieve near-normal results in routine vision tests (large visual field and normal or near-normal visual acuity), but cannot interpret facial expressions or recognize faces. The Heidi Expressions...

  • Vietnamese Continuous Text Near Card

    Vietnamese Continuous Text Near Card

    Vietnamese Near Vision Card has with simple continuous reading examples. Line sizes range from 20/400 to 20/20 equivalent. Notations are indicated in Snellen in Feet/ Meters and Letter Size. Near vision card measures 9" x 7" (22.86cm x 17.78cm). Printed...

  • GL Spanish Sloan Letter Pocket Card

    GL Spanish Sloan Letter Pocket Card

    Spanish Sloan Letter pocket card with line sizes of 20/400 to 20/10 equivalent on one side. Continuous Spanish text is printed on the reverse side with line sizes 20/80 to 20/16. Card measures 3.75" x 6.25" (9.5 cm x 15.9 cm) and testing distance is 16"...

  • French Sloan Letter Pocket

    French Sloan Letter Pocket

    A French Sloan Letter Pocket Card with line sizes of 20/400 to 20/10 equivalent on one side. The continuous French text is printed on the reverse side with line sizes from 20/80 to 20/16. Dimensions: 3.75" x 6.25" (9.5 cm x 15.9 cm). Testing distance:...

  • GL Sloan Letter Pocket Near Card

    GL Sloan Letter Pocket Near Card

    Sloan Letter near vision pocket card with line sizes of 20/400 to 20/10 equivalent on one side. Also contains a pupilometer with sizes ranging from 2 to 9. Continuous text is printed on the reverse side with line sizes 20/80 to 20/16. Card measures 3...

  • GL HOTV Near Card w/Cord

    GL HOTV Near Card w/Cord

    This double-sided near vision card combines proportionally-spaced lines on one and 50% spaced rectangle (Massachusetts Visual Acuity Test Format) on the other. Attached 16-inch (40 cm) measuring cord ensures proper screening distance. Includes flash...

  • LEA GRATINGS® Low Contrast Test

    LEA GRATINGS® Low Contrast Test

    These discs measure contrast sensitivity curve based on 4 gratings at 2 contrast levels: 10% and 2.5% contrast. These 2 levels use 2 grating frequencies: the 10% level uses 0.5 cpcm and 8 cpcm while the 2.5% level uses 0.5 cpcm and 4 cpcm. Testing is...

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