Thanks to our Subbable subscriber - head over to to find cheaper textbooks for college or university. And go to if you want to support MinutePhysics on Subbable! And also to our Subbable subscriber Mathias Larssen! Paper on diffraction through the lens of the human eye: “Shape of stars and optical quality of the human eye“ by Rafael Navarro and M. Angeles Losada, Vol. 14, No. 2/February 1997/J. Opt. Soc
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