Blue light filter glass/spectacles

Do they actually help ease eye strain or is it just a sales tactic to make people buy costlier glass for their specs?

no they don't, it's like snake oil

its more pleasant for the eyes imo
you will see blue everywhere for maybe a few days tho

Imp it helps

Hey
This is feyush Bansal
Ceo of lenzkart
And I can confirm that they don't work