Vision and light – LifeTheFacts https://www.lifethefacts.com and the science behind them Wed, 31 Jan 2024 19:14:23 +0000 en-GB hourly 1 https://wordpress.org/?v=6.6.2 https://www.lifethefacts.com/wp-content/uploads/2022/08/cropped-Logo-trans-favicon-final-32x32.png Vision and light – LifeTheFacts https://www.lifethefacts.com 32 32 Human Eyes Colour Sensitivity https://www.lifethefacts.com/human-eyes-colour-sensitivity/ Wed, 30 Nov 2022 13:06:59 +0000 https://www.lifethefacts.com/?p=1839 Rod cells in the retina of our eyes give the ability to see light and give us our night vision when light levels are low, but rod cells cannot distinguish colour. Cones cells, located in the centre of the retina (in an area called the macula), are not much good...

The post Human Eyes Colour Sensitivity appeared first on LifeTheFacts.

]]> How Do Human Eyes Work https://www.lifethefacts.com/how-do-human-eyes-work/ Fri, 25 Nov 2022 15:38:34 +0000 https://www.lifethefacts.com/?p=1654 The retina at the back of the eye is a complex part of the eye, and its job is to turn light into signals about the images on its surface that the brain can understand. Only the retina is light sensitive, and it is roughly the area of a 10p...

The post How Do Human Eyes Work appeared first on LifeTheFacts.

]]> Light and Human Colour Vision https://www.lifethefacts.com/light-and-human-colour-vision/ Fri, 28 Oct 2022 07:17:09 +0000 https://www.lifethefacts.com/?p=492 Sunlight White light from the Sun is fundamental to human colour vision, but it can be split into all the colours of the rainbow. The light waves are refracted (bent) as they enter and leave the prism. The shorter the wavelength of the light the more it is refracted, so...

The post Light and Human Colour Vision appeared first on LifeTheFacts.

]]>