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What Our Eyes Really See on a Daily Basis

The human eye can see up to seven million colours. Both red and yellow are the two most irritating colours to the human eye. Not everyone sees the same volume of colours, especially men, as one in twelve suffer from colour blindness.

Colour is just one aspect of what the human eye can see. The total field of view for a healthy pair of human eyes for example, is two hundred degrees horizontally and one hundred and thirty-five degrees vertically. Our field of vision decreases as we get older.

When it comes to seeing images, it takes the human eye thirteen milliseconds to process an image. In the case of new born babies however, they see the world upside down until their brains learn to interpret an image correctly. It can take them up to three months to recognise familiar faces for example.

How far the human eye can see in the distance is perhaps one of the most impressive aspects of eye function. How far the eye can see is dependent on how many particles of light a distant object emits. For example, the farthest object visible to the human eye is the Andromeda Galaxy, which is over two million light years from Earth.

Have a look at the infographic below called ‘What Do Our Eyes Really See?’ provided by Supersavers Opticians for more facts on the human eye.

What-Our-Eyes-Really-See

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