Laser Eye Surgery Blog

These are the colours your eyes can’t see

From an early age, we’re lead to believe that the so-called colour spectrum contains all the colours out there. And it’s true, if you are only considering colours that are perceptible by a normal human eye. Colour is the limited range of light along the electromagnetic spectrum that humans can see. In other words, colours are the way your brain, and mine, by use of our eyes, interpret a stream of minute energy packets radiating at varying frequencies in a wave motion.… Read more

These are the colours your eyes can’t see

Debunking the most common eye myths

Ideas about how our eyes work have undergone many changes throughout history. In ancient Greece, for example, Plato’s “emission theory” suggested that we emit beams of light from our eyes in order to illuminate and see objects. Another Greek, Empedocles, believed that Aphrodite made the human eye out of the four elements — fire, air, earth, and water.  She then made sight possible by lighting the fire in the eye and allowing it to shine out. In most parts of the world, such… Read more

Debunking the most common eye myths