Christiandagangon10viz
Answered

what power of lens would you prescribed for a person who cannot see clearly beyond 120cm​

Sagot :

Armyxblink40viz

2.5d lens is the kind of lens for him p=1/0.4m(f=40cm)=3.5 D the person thus uses a convex lens... suffering from hypermetropia.⠀⠀

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