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We can differentiate four lines that are drawn within 1-milimeter-length. That means we can see objects of 1/4 mm which is 250 micrometer. However below 200 micrometer, it is hard to distinguish an object from another. Thus, the resolution of human eye is considered as 200 micrometer.

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14y ago
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14y ago

Humans don't have an exact eye vision. It varies between people, and how much stress you put on them. For example:

If you try to squeeze your eyes to read something, your stressing them. When you do this, you damage your eyes and begin to need the use of glasses/contacts.

Some people can get their glasses a early as.....lets say 5, and some of us can get it during the early ages of the teenage years.

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11y ago

You should be able to see individual specs of dust down to about 11 microns.

Eye performance varies. Contrast. illumination. Color. Object distance from the eye (and therefore the subtended angle). If you are myopic you will be able to focus on closer objects, and that will increase the subtended angle.

So the 11 microns is an approximation, and is based upon my years of observation as an imaging scientist.

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11y ago

its difficut to explain.....cz it depends on the viewing frame and center of interest........but its sure 1 human eye has at least 52 mp considering a 60 degree angel view.....but it may b times 3/4 times with the view :)

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13y ago

about 1 arcminute, or 1/60 of a degree ;-)

which equates to about 1/3 mm at arm's length

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14y ago

0.1 mm

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12y ago

1 arcminute

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Q: What is the resolution power of human eye?
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The human eye is estimated to have a resolution of 576 megapixels.


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What is the magnification of the Transmission electron microscopes?

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