Class 10 Science | Defects of Vision

Science and Technology, Grade 10 · Light and the eye

Defects of Vision

Myopia · Hypermetropia · Ways to correct

By the end of this lesson you can

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Define a defect of vision

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Explain the causes of myopia and hypermetropia

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Explain correction with concave and convex lenses

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Describe contact lenses and laser eye surgery

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Presenter notes: Today we learn why the eye sometimes fails to see clearly and how that is corrected. Who in the class wears glasses? By the end of the lesson we will be able to guess what kind of lens is in them.

Defects of Vision Presentation

By the end of this lesson you can

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