Which is more harmful to your eyes. use computer or tv with lights turned off or!

Question: which is more harmful to watch tv or computer with lights turned off or on in a room?

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Answers: which is more harmful to watch tv or computer with lights turned off or on in a room?

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I agree with the optician, because Ultraviolet radiation originate from the screen monitor. If this Ultraviolet radiation reach your eyes, without the aid of peripheral light radiation, the concentration of the radiation will increase, thus weakening your fovea centralis of the macula lutea in the retina.

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Lights off is more harmful.

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