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what is myopia??? (Short Sightedness) - YouTube
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
Myopia, short sightedness or near sightedness eye disorder and corrected eye by a minus lens or biconcave negative lens. The light is focused in front of the retina. Illustration is isolated on
What does it mean to be short sighted (myopic)? - Finchley's Multi-Award Winning Opticians Practice
Eye correction is seriously short sighted | New Scientist