Parts of the Human Eye

Which part of the human eye provides most of the refraction of light?

Which part of the human eye is responsible for controlling the size of the pupil?

Which part of the human eye is composed of a fibrous, jelly-like material?

Which part of the human eye regulates and controls the amount of light entering the eye?

What part of the human eye is the outermost and transparent, providing most of the refraction of light?

Which part of the human eye is a dark muscular diaphragm that controls the size of the pupil?

What part of the human eye is composed of a fibrous, jelly-like material and provides the focused real and inverted image on the Retina?

Which part of the human eye holds the lens in position and helps in modifying the curvature of the lens?