The Eyes Questions And Revision Mme Question 1: describe how light enters the eye. [4 marks] question 2: explain how the eye responds to dim light. [3 marks] question 3: a person struggles to read small text in a book when it is close to their face. explain what can you conclude about their vision and the structure of their eyes. [3 marks]. Visit mathsmadeeasy.co.uk for more fantastic resources. maths made easy © complete tuition ltd 2017 www pletetuition.co.uk gcse science.
The Eyes Questions And Revision Mme 2. sensory neurones. carry electrical impulses from the receptors to the central nervous system (cns). 3. central nervous system (cns) consists of the brain and spinal cord. it receives and processes electrical impulses from receptor cells and organises a response. it will then send an impulse along a motor neurone. 4. The iris is a muscle which controls the size of the pupil by contracting or relaxing. this allows the eye to adjust to bright and dim lighting. describe the structure and function of the ciliary muscles and suspensory ligaments. the ciliary muscles and suspensory ligaments hold the lens in place and control its shape. The eye is a sense organ containing receptor cells which are sensitive to light intensity and colour. the purpose of the eye is to receive light and focus it onto the retina at the back of the eye. there are two main functions of the eye: accommodation to focus on near or distant objects. adaptation to dim light. Terms in this set (16) transparent outer layer found at the front of the eye. refracts (bends) light into the eye. study with quizlet and memorize flashcards containing terms like tough supporting wall of the eye, transparent outer layer found at the front of the eye. refracts (bends) light into the eye, contains muscles that allow it to.
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