Good-Lite LEA SYMBOLS<sup>®</sup> Cards 40M and 60M
    Good-Lite LEA SYMBOLS<sup>®</sup> Cards 40M and 60M
Good-Lite LEA SYMBOLS<sup>®</sup> Cards 40M and 60M
Good-Lite LEA SYMBOLS<sup>®</sup> Cards 40M and 60M
    Good-Lite LEA SYMBOLS<sup>®</sup> Cards 40M and 60M
Good-Lite LEA SYMBOLS<sup>®</sup> Cards 40M and 60M

About

Description

These five LEA SYMBOLS® Cards can be used for presentation as single optotypes or arranged in a row as a line test. When the cards are next to each other, the space between the symbols is equal to the width of the symbols. To determine the visual acuity, use the following formula:

VA = Viewing Distance Used(meters) / M-value

Dimensions: 60M cards - 8.6" x 8.6" (21.9 cm x 21.9 cm). 40M cards - 6" x 6" (15.25 cm x 15.25 cm).

Click here for the 256100 Guide.

Click here for the Low Vision Tutorial.

Description

These five LEA SYMBOLS® Cards can be used for presentation as single optotypes or arranged in a row as a line test. When the cards are next to each other, the space between the symbols is equal to the width of the symbols. To determine the visual acuity, use the following formula:

VA = Viewing Distance Used(meters) / M-value

Dimensions: 60M cards - 8.6" x 8.6" (21.9 cm x 21.9 cm). 40M cards - 6" x 6" (15.25 cm x 15.25 cm).

Click here for the 256100 Guide.

Click here for the Low Vision Tutorial.

LEA SYMBOLS® Cards 40M and 60M

Regular price
$55.95
Sale price
$55.95
Regular price
$55.95
Shipping calculated at checkout.

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