The is the nerve tissue at the back of the eye, which receives the image that has been formed by the cornea, the pupil, and the crystalline lens.

The correct answer is that the retina is the nerve tissue at the back of the eye, which receives the image that has been formed by the cornea, the pupil, and the crystalline lens. The retina is a delicate tissue that it important to check on in the case of eye-strain, so that general eye health can be maintained.