Question

what is the work of lens in our eye

Answer 1

After passing through the iris, the light rays pass thru the eye's naturalcrystalline lens. This clear, flexible structure works like the lens in a camera, shortening and lengthening its width in order to focus light rays properly. ... In a normal eye, the light rays come to a sharp focusing point on the retina.

Answer 2

lens focuses light through the vitreous humor,a clear gel like substance that fill the black of the eye and supports the retina