Question

Why is it easier to see images at night using peripheral, rather than the central, vision? a. Cones are denser in the periphery of the retina. b. Bipolar cells are denser in the periphery of the retina. c. Rods are denser in the periphery of the retina. d. The optic nerve exits at the periphery of the retina.

Short answer

The correct option is c.

Step-by-step solution

Step 1. Introduction

The human eye has two photoreceptors to gather lights that are rod and con. Rods are responsible for the vision at low levels of light while con is responsible for the vision at high levels of light.

Step 2. Explanation of the correct option

Option c is correct because rods are responsible for vision at a low level of light and it is denser in the peripheral region of the retina.

Step 3. Explanation of the incorrect option

Option a is incorrect because cones are responsible for the vision at high light levels.

Option b is incorrect because the rod is denser in the periphery of the retina.

Option d is incorrect because optic nerves are located at the back of the eye.