Among Graham's other accomplishments were participation in developing a low-vision spectacle, introducing reflection-reducing coating for ophthalmic lenses, developing colorless ultraviolet absorbing lenses and inventing the variable focus lens.
2.
In 2007 Wil and Lucas Newman wrote a new algorithm that did not require cameras with variable focus lenses, thus pioneering blurry one-dimensional barcode reading ( " reverse image deconvolution " ) using ideas from Belgian astronomers.
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