Question 12
FThe Figure shows how light from a distant object enters the eye of a person who is short-sighted.
Figure
a.[1]
Describe where the light from the distant object is focused in this eye.
b.[1]
Describe how a short-sighted person sees near objects and distant objects.
c.[2]
Suggest two causes of short-sightedness.
d.[2]
Short-sightedness can be corrected by wearing glasses with concave lenses.
Explain how a concave lens corrects short-sightedness.
e.[2]
Short-sightedness can also be corrected by laser eye surgery.
Explain how laser eye surgery corrects short-sightedness.
2.4 The eye Questions
42 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.