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myopia\nearsightedness\short sightedness\myopia causes\short sighted\near sightedness\what is myopia - 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 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](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/189033/content_screenshot_from_2018-06-20_21-30-32.png)
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
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