Physics, asked by affu29, 1 year ago

write the use of bi-focal lens in correction for the defect of vision?

Answers

Answered by Chetan007

bifocal lens is created with two different areas of vision correction, which are divided by a distinct line that sits horizontally across the lens. The top portion of the lens is used for distance, while the bottom portion of the lens is used for closer vision. Our regular bifocals are flat-top 28

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