Question:
A person wears eye glasses with power of 5 5 D for distance
Last updated: 6/25/2023
![A person wears eye glasses with power of 5 5 D for distance](https://media.kunduz.com/media/sug-question-candidate/20210708083122352036-3097791.jpg?h=512)
A person wears eye glasses with power of 5 5 D for distance viewing His doctor prescribes a remedy of 1 5 D for his near vision What should be the focal length of extra lens which should be pasted over lower section of his eyeglasses for correct near vision 12 5 cm 14 3 cm 16 7 cm 19 3 cm