What is photostress in human eye?

I recently saw a forwarded video on WhatsApp that photostress (due to usage of cellphones) damages the retina and causes blindness. I would like to know whether this is true, if there is any research that indicates the same or contradicts the claim.

AN Aniruddha Rao asked 2 weeks ago
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Manoj V, Crush on Physics, engaged to engineering
Answered 1 week ago (Edited 1 week ago)
A scientist received Nobel prize for inventing blue LED light bulb. The reason why this is a huge achievement is because blue light saves electricity and gives greater brightness. It is estimated ... read more