The figure shows a section of the eye with letters. P is the transparent part at the front of the outer layer. Q is the coloured ring with an opening in the middle. R is the transparent structure behind the opening, held by ligaments. S is the layer at the back that has the rods and cones. T is the yellowish spot with a central pit. Which option names them correctly?

Fig. 1: A section of the eye with letters, with the front on the left. P is the transparent part at the front of the outer layer. Q is the coloured ring with an opening in the middle. R is the transparent structure behind the opening, held by ligaments. S is the layer at the back that has the rods and cones. T is the yellowish spot with a central pit, beside the point where the optic nerve leaves.