WAEC - Biology (2021 - No. 19)
The diagram above is an illustration of a type of eye defect in humans. Study it and answer this question.
The eye defect can be corrected by the use of?
convex lens
concave lens
bifocal lens
cylindrical lens
解释
Nearsightedness (myopia) is corrected with lenses called “minus power lenses.”
They are concave-shaped and help the eyes focus light properly. Myopia causes a person to see distant objects as blurry.