VAA-2000 is a Self Vision Tester with which users can initially check their eye sight level by themselves without any examiner or helper.
Its vision test automatically starts with voice guides when users get close to the device and its voice guides help users at every stage during the test.
Users can check their eye sight level so easily because the test proceeds only with simple Landolt ring.
All that users do for the test is that users push the handle lever to the opened side of the circle (landolt ring).
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