Question

what is the need of lenses
and who introduced tbe lenses​

Answer 1

Answer:

It is generally accepted that the origin of the lens can be traced back to the ancient Roman philosopher, Seneca, who described, “letters could be magnified by a ball of crystal” about 2000 years ago.

Answer 2

Answer:

lenses use when eyes are not clearly see means we uses lenses

Explanation:

follow me