Thursday, December 8, 2016

optics - Do eyeballs exhibit chromatic aberration?


Fairly straightforward question. If not, why not?


I suspect that if they do, it is not perceived due to the regions of highest dispersion being in one's region of lowest visual acuity.




Answer



Yes, it does. We don't see it because our brain automagically 'correct it' because it always see the same aberration from the childhood.


Our eye focuses on 'green' wavelength as it's its peak sensitivity, so red and especially violet lines are usually slightly out-of-focus.


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