Light and Sight
If there is no light, there is no sight
Explore this context and learn more about the basics of light, how we see and how we perceive the world around us.
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Light is a form of energy produced by a light source. Light is made of photons that travel very fast. Photons of light behave like both waves and particles.
Associate Professor Gordon Sanderson’s research is in the field of ophthalmology – a scientific field of study that is concerned with anatomy, physiology and diseases of the eye.
Light is made up of wavelengths of light, and each wavelength is a particular colour. The colour we see is a result of which wavelengths are reflected back to our eyes.
Seeing with two eyes helps people to judge distances and to see in 3D, but even using one eye, there are many clues to give people depth perception. Depth perception using computers is more...