LAZY GLASSES let you read a book or tablet while lying horizontally in bed. Prisms in the glasses bend the direction of vision by 90°

Hip

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Lazy glasses contain prisms which reflect light by 90°, so you can be lying down horizontally in bed, with your eyes looking upwards towards the ceiling, yet be able to read a book or tablet which is comfortably resting on your chest.

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These lazy glasses are cheap, around £10 ($15) for a pair, and the reviews I have read say that they really do work (although I have not yet bought a pair myself).

Lazy glasses might be useful for bedbound patients, to make it easier to read a book, or to go online using a tablet.

You can also watch TV with these glasses, if the TV is located at the end of your bed, while your body and head remain perfectly horizontal.