(the ‘iris’ is the ‘corona’ surrounding the ‘black white central’ pupil)
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-as of [9 APRIL 2024]–
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*plural* –>
irides
irises
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(the iris is a ‘thin’ + ‘circular’ structure in the eye, responsible for controlling the ‘diameter’ + ‘size’ of the ‘pupil’ and thus the amount of ‘light reaching the ‘retina’)
(‘eye color’ is defined by that of the ‘iris’)
(in ‘optical terms’, the pupil is the eye’s ‘aperture’, while the iris is the ‘diaphragm’)
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*SKETCHES*
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