<prompt> Which component of the eye has maximum refractive index:Anterior surface of the lensPosterior surface of the lensCentre of the lensCornea  <response>: C. i.e. Centre of the lens Highest refractive index is of lens nucleus coreQ 1.406 anterior and posterior lens coex forming anterior posterior lens surface 1.386 cornea 1.376 aqueous and vitreous humor 1.336 air 1. Gullstrand Schematic Eye Structure Surface Radius mm Position mm Thickness mm Refractive index Cornea Anterior 7.7 0.0 0.50 1.376 Posterior 6.8 0.50 Aqueous 3.10 1.336 Anterior lens coex Anterior 10 3.60 0.546 1.386 Posterior 7.911 Lens core nucleus 4.146 2.419 1.46 Posterior lens coex Anterior - 5.76 6.565 0.635 1.386 Posterior - 6.0 7.20 Vitreous 16.80 1.336 Retina -12.0 24.0 