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In the LEA test series there are line tests, tests with more crowded symbols and single symbol tests to allow assessment of function of the visual system in these three functionally different situations. The number of tests has grown over the years because the needs in screening and assessment of children and adults vary at different ages and different functional levels.


LEA Symbols


LEA Numbers


Additional Resources

Pediatric Vision Consulting

Questions about screening children, ask us about helping you set up a program with our consulting services.

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LEA SYMBOLS® and HOTV Comparison Study

A study from the Illinois College of Optometry compares LEA SYMBOLS® and HOTV to screen children.

Read about the results >>

LEA SYMBOLS® References

LEA SYMBOLS®, the international standard for pediatric vision testing and screening. Find sited published studies using the LEA SYMBOLS®.

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