Answer:
d. Photoreceptors, such as rods and cones
Explanation:
The retina in the eye , is referred to as the screen where the image of the object is made .
If the image of the object falls on the retina , ethen only a person can seen the object .
The retina consists of some specialized cells , i.e. , the photoreceptors like the cones and rods , which are responsible for the conversion of the light into the electrical signal , which then are carried to the brain , via neurons ,and the person sees the object.
