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Health

People with total colour blindness able to see red after gene therapy

Thanks to gene therapy, people who could previously only detect shades of grey can now distinguish red objects from a darker background

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Technology

Smart glasses dim bright objects but don’t affect other things in view

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Technology

Ultraviolet camo made from natural plant dyes could help bird hunters

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Lattice soldierfish

Life

Fish see in the dark thanks to extra layers of rod cells in their eyes

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Myopia, or short-sightedness, causes distant objects to appear blurry

Health

Myopia linked to five genetic variants and going to university

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City during nigh - view through night vision; Shutterstock ID 558111313; purchase_order: -; job: -; client: -; other: -

Technology

AI turns infrared images taken in total darkness into full colour

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Stock image of an eye

Health

Bionic eye that mimics how pupils respond to light may improve vision

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Stock image of a blind person walking with a stick

Health

People who are blind may use the brain’s visual cortex for movement

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Infrared goggles

Technology

Infrared goggles and vibrating armband help people who are blind ‘see’

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Watch face - selective focus

Technology

AI has learned to read the time on an analogue clock

Artificial intelligence trained on computer-generated images of clocks taken from different angles has succeeded in learning to read the time

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Humans

We thought our eyes turned off when moving quickly, but that's wrong

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Technology

Superhuman sight may be possible with lens that makes UV light visible

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Health

Brain stimulation device lets monkeys 'see' shapes without using eyes

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Life

Birds and other animals may see colours that we cannot even imagine

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