Question

WHY DO WE HAVE TWO EYES FOR VISION AND NOT JUST ONE​

Answer 1

It is because if we close one eye we cant see the surrounding properly it gives us vision of 135 degree in place of 18- degree

Answer 2

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WHY DO WE HAVE TWO EYES FOR VISION AND NOT JUST ONE

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There are many advantages of having two eyes instead of one. Some of these are given below.

1. Having Two Eyes Gives a Wider Field of View:

A human being has a horizontal field of view of about 150° with one eye open but with two eyes open, the field of view becomes 180°. Thus, having two eyes gives a wider field of view. This means that with two eyes open, we can see a much larger area in front of us(than can be seen with only one eye).

2. Having Two Eyes Enables Us toJudgeDistancesMore

Accurately:

Our two eyes are a few centimetres apart from eachother Due to this, the two eyes see the same object from two slightly different angles and send two slightly different images of the same object to thebrain. The brain combines these two slightly different images to build a three dimensional picture of the object which enables us to judge the distance of the object more accurately.