The diagram shows a vertical section through the human eye. Different parts of the eye have been labelled P P\,P to VVV.
The table below lists some key functions of different parts of the eye.
Complete the table by choosing the correct label letter (P P\,P to VVV) for the part of the eye associated with each function. The first one has been done for you.
| Function | Label letter |
|---|---|
| Refracts light as it first enters the eye | PPP |
| Transmits electrical nerve impulses to the brain | |
| Provides high-acuity color vision and contains the highest concentration of cone cells | |
| Alters its shape to focus light from objects at different distances | |
| Transfers tension from the ciliary muscle to the lens |
