Vision Correction

Vision Correction

Lenses are used to correct vision problems. Two of the most common vision problems are myopia and hyperopia.

CK-12 (Middle School)

ESSENTIAL QUESTION:

Why do some people need glasses or contacts for them to be able to see clearly?
STANDARDS:
RST.2 - Main Ideas, RST.4 - Key Terms

DEPTH OF KNOWLEDGE (DOK) LEVELS:

1,2
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