Naturally occuring eye structures, such as the human eye, are based on simple systems with a single lens that projects onto the curved surface of the retina. These systems produce wide angle fields of view with low levels of aberration and a uniformity of illumination that are difficult to reproduce with existing optoelectronics technology.
Recently, researchers from an interdisciplinary team at the University of Illinois at Urbana-Champaign (UIUC), and Northwestern University (NU) in Evanston Illinois have developed a functioning, miniature replica of the human eye that is based on a curved image sensor.
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