A drug prevents the ciliary muscles from contracting. The iris and retina still function normally.
Which outcome is most likely?
Nearby objects are difficult to focus on because suspensory ligaments become slack.
Distant objects are difficult to focus on because suspensory ligaments remain taut.
Nearby objects are difficult to focus on because suspensory ligaments remain taut.
Distant objects are difficult to focus on because suspensory ligaments become slack.
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.