Sight (or vision) is one of the senses. Having sight means to be able to see. Some simple animals can only tell light from dark, but with vertebrates, the visual system is able to form images.

  • visual perception – the ability to interpret visible light information reaching the eyes. Sight is the resulting perception.
  • visual system – the components that are necessary for vision
  • binocular vision
  • foveal and peripheral vision


color, contrast, pattern, brightness, texture

Engineering ideas

  • light, lens, retina, optic nerve, light-sensitive

Do It
Challenges for you to work on…

  • Camouflage an Animal – Camouflage an animal in any environment so that you can’t see it – even in plain sight.