Concave Lenses

Cards (3)

  • Concave lenses -
    • Cave Inwards
    • Thinner at the centre than at the edges
  • Concave lenses are used to spread light our further
    • Used to correct short- sightedness
    • As the light it focused in front of the retina, so needs to be spread out slightly to be able to be focused onto the retina
  • .
    A) Light
    B) Concave Lens