Question

प्रकाशीय केन्द्र क्या है?
What is optical centre?​

Answer 1

Answer:

Medical Definition of optical center

: a point on the axis of a lens that is so located that any ray of light passing through it in passing through the lens suffers no net deviation and that may be within, without, or on either surface of the lens.

Answer 2

Answer:

centre of the lense is called optical centre