The Eye

This lesson covers the structure and function of the human eye as required by the Edexcel GCSE Combined Science specification (1SC0). You need to know the main parts of the eye, how the eye focuses light, the process of accommodation and common eye defects with their corrections.

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Structure of the Eye

The human eye is a sense organ that detects light. It contains receptors (in the retina) that are sensitive to light intensity and colour.

Main Parts of the Eye