CAIE IGCSE Biology 14.2.3 Function of Each Part of the Eye Questions
Practise matching the cornea, iris, lens, retina and optic nerve to their roles in vision.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- link the cornea and lens to refraction of incoming light
- link the iris to control of light entering through the pupil
- link retinal receptors to light detection and the optic nerve to impulses sent to the brain
CAIE IGCSE Biology 14.2.3 Function of Each Part of the Eye Questions question 1
The diagram shows the structure of the human eye.
Which labelled part refracts light entering the eye?
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