a What is short sightedness ? State the two causes of short sightedness or myopia. With the help of ray diagrams, show : i the eye defect short sightedness. ii correction of
Why are we short-sighted?
What Is Myopia? Shortsightedness That Can Cause Blindness. Save Your Sight
Do Smartphones Hurt Our Eyes by Causing Shortsightedness? · Frontiers for Young Minds