Question

what lens is present in our eye

Answer 1

the lens that is present in human eyes concave lens is used

Answer 2

Lens (anatomy) Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens. The lens is a transparent, biconvex structure in the eye that, along with the cornea, helps to refract light to be focused on the retina.