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How does colour vision work?

How does colour vision work?

And what does this mean for people who wear sunglasses?

You aren't even thinking about it while it happens: our eyes perceive over 200 different shades of colour, differentiate completely between the most detailed nuances and recognise over 20 saturation and 500 brightness levels. You can see the result: every day we assimilate millions of colour stimuli – a dream-like world of colours which often leaves us speechless. But how does all this work? Why does the sky look blue or red at certain times or grey at others? And what does this have to do with the...

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Understanding vision

 

How does colour vision work?

How does colour vision work?

And what does this mean for people who wear sunglasses?
You aren't even thinking about it while it happens: our eyes perceive over 200 different shades of colour, differentiate completely between the most detailed nuances and recognise over 20 saturation and...

more

Better vision with a new pair of glasses.

Better vision with a new pair of glasses.

What's important for tailor-made glasses? Knowing how a patient's eyes interact.
Dirk Siemsen is a qualified optician and owner of mahrt und hoerning in Göttingen (Germany). His new patient had been wearing glasses for more than 30 years. She had problems with her night and 3D...

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How many glasses do you need?

How many glasses do you need?

Don't be overwhelmed by all the options out there!
There are new kinds of lenses for spectacle wearers coming onto the market all the time: lenses for use with digital devices, lenses for working with computers, lenses for driving and self-tinting lenses...

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Can the wrong pair of glasses or bad light damage your eyes?

Can the wrong pair of glasses or bad light damage your eyes?

We'll tell you what happens when your eyes have to work too hard
If your glasses are not optimally fitted, then there's no way you can benefit from your full visual potential. This can significantly impair your quality of life. Think about it: reading the menu in a...

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