Eyeglasses bend light help the image form properly on the retina. The bending of light as it passes from one medium to another is called

The right answer is refraction not  diffraction

Explanation:

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in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.