Physics for IGCSE & O level - Rays And Waves (Section 3 - No. 4)
What causes 'short sight' or myopia?
The lens focuses the image behind the retina.
The lens focuses the image in front of the retina.
The cornea is too flat.
The eye is too short.
Giải thích
Myopia occurs when the image focuses in front of the retina.