February/March 2026 Paper 42

Figure 4.1 shows a section through the human eye.

Use Figure 4.1 to identify structures L and M.

On Figure 4.1, draw a label line and the letter F to identify the fovea.

Describe how the fovea is adapted for its function.

Figure 4.2 shows part of the eye from the front and from the side when viewing a near object.

Use Figure 4.2 to explain the changes that occur to view a distant object.

State the term that describes the ability of the eye to view near and distant objects.