At a cinema, Priya can read the small print on a programme held close to her, but the words on the screen appear blurred.
Give the name of Priya's eye defect.
State where light from the cinema screen is brought to a focus in Priya's eye.
The optician tests a spectacle lens that is thinner in the middle than at the edges. Give the name of this type of lens.
Describe how this lens changes the light rays from the screen before they enter Priya's eye.
102 exam-style questions on Edexcel GCSE Biology 2.4 The eye, covering 2.4.1 Structure and function of the eye and 2.4.2 Eye defects and their correction. Each one has a worked solution and a mark scheme showing where the marks go.