Human eye: accommodation and near point (Hindi) | Human eye | Physics | Khan Academy

Why do distant things get blurred when we concentrate on things close to us? Why can't we see things which are very close to us? Let's explore how our eyes work and get answers to questions like these by exploiting the power of ray diagrams.
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Sir here u have considered refraction through lens only but what about the refraction caused by the aqueous medium between lens and cornea as in previous video you have explained that maximum refraction takes place over here

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15:59 In physics, ( angle of deviation ) decreases with increase in ( angle of prism ). So how is focal point coming close ?????I am considering eye lens corner as triangle prisms with base in middle and apex at corners . Please answer 😕

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