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Near sightedness and far sightedness hap...

Near sightedness and far sightedness happen when light is not focussed on the __________.

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**Step-by-Step Solution:** 1. **Understanding the Concepts**: - Nearsightedness (myopia) and farsightedness (hyperopia) are vision problems that occur when light does not focus correctly in the eye. 2. **Identifying the Key Component**: - The retina is the part of the eye that acts like a screen where light is focused. It contains light-sensitive cells that convert light into electrical signals for the brain. ...
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