The part of the eye that focuses light onto the retina by changing its shape is the:

1. The crystalline lens is FLEXIBLE and changes its focal length by ciliary muscle action. 2. This is called ACCOMMODATION — the ability to focus on near or far objects. 3. Cornea provides MOST of the bending (~70 %) but it doesn't change shape. _Source: NCERT Class 10 Science Ch 10 §10.1.1 Power of Accommodation_