Good-Lite Support

Selecting LEA Symbols^® for testing/screening the vision of preschoolers and kindergartners

With so many vision tests available, many health professionals have questions regarding which ones are most appropriate for testing and/or screening the vision of young children. To help answer these frequently asked questions, we’ve relied on child development experts and the most up-to-date scientific information and research available. Find out more >>

Instructional Manuals

Lea Test System Instructions

Download the instructions on how to properly use the Lea Test System. 3.4 MB

Insta-Line PLUS Instruction Manual

Download instruction manual on how to properly use the Insta-Line PLUS. 596kb

International Translations

Test instructions are available in the following languages:

English	French
Finnish	Russian
Swedish	Portuguese
German