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  • 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...

  • LEA SYMBOLS® ETDRS 4 Meter Set

    LEA SYMBOLS® ETDRS 4 Meter Set

    An ETDRS chart with LEA SYMBOLS® and proportionally spaced (logMAR) lines; line sizes range from 13/104 to 13/5.2 (4/32 to 4/1.6) equivalent. The other equivalents featured on this chart are letter size, 20 foot, 6 meter, decimal, and LogMAR...

  • LEA GRATINGS®

    LEA GRATINGS®

    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...

  • Medium HEIDI® Fixation Paddle

    Medium HEIDI® Fixation Paddle

    The medium "smiling face" fixation paddle was developed based on studies by Robert Fanz. This fixation paddle is for assessing children with severe disabilities to determine the distance at which the children respond to a high-contrast face figure...

  • Small HEIDI® Fixation Paddle

    Small HEIDI® Fixation Paddle

    This small 2" (5 cm) diameter smiling face fixation paddle was developed based on studies by Robert Fanz. Features include grating on the reverse side, small pictures of a bunny and a giraffe for demanding fixation, and pupil size and corneal diameter...

  • Cone Adaptation Test

    Cone Adaptation Test

    The test consists of 15, 2" x 2" (5 cm x 5 cm) red, blue, and white plastic chips designed to help parents, teachers, and doctors assess children’s visual difficulties in the twilight. The test situation is not a formal test of night vision but...

  • LEA SYMBOLS®/C Chart Set

    LEA SYMBOLS®/C Chart Set

    A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 21/2. This eye chart has two sides. The front side of the eye chart features pediatric symbols in proportionally spaced...

  • LEA SYMBOLS®/E Chart Set

    LEA SYMBOLS®/E Chart Set

    A pediatric distance visual acuity eye chart featuring LEA SYMBOLS® for screening or testing individuals starting at age 3 years. This eye chart has two sides. The front of the eye chart features LEA SYMBOLS® in proportionally...

  • LEA SYMBOLS® Playing Cards

    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...

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