A laser scan of the whole of the eye's retina, producing a high-definition, multicolour image.

Afterwards, microarrays are analyzed using a laser scan and spot intensities detected and quantified.

Thanks to the laser scans, the teams hope to arrive at each of the new racetracks with their car set-ups within 5 per cent of perfection.

Lasers scan individual haricot beans for imperfections, while hundreds of cans a minute are packaged, waiting for driverless forklift trucks to whisk them away.

The company uses laser scans to pick the best fibres for length, strength, elasticity and softness.