Home » Optics » Numerical on Eye defect

Numerical on Eye defect

A myopic eye has a far point of 3m and a near point of 150mm . State the type of spectacle lens needed for viewing an object at normal far point and determine its power in dioptres . Find the near point when wearing this lens ?

(Asked Zahraa via our mobile site http://m.askphysics.com)

%d bloggers like this: