Before you start, take this short quiz to test what you already know:
Work through the following topics to learn about vision and the different vision problems people may have.
Vision
Vision and different vision problems
Lesson: 1 of 4
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Complete
Lesson Topics
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Not completed: 1. Introduction
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Not completed: 2. Eye health
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Not completed: 3. Avoidable distance or near vision problems
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Not completed: 4. Unavoidable vision problems