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Deposition Sciences Inc. - Difficult Coatings - LB - 8/23

Odd fish provides twist to the tale of evolution of eyes

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Lynn Savage, Features Editor, [email protected]

When an optical engineer lays out components for a new design, she has more than just a good idea about where the lenses should go and where the mirrors should be. Training and experience have honed her judgment. In nature, the evolutionary processes that have led to the ability to see for many creatures have leaned heavily toward lenses. Human eyes have them, as do birds, reptiles and mammals of all shapes and sizes. Until recently, it was thought that all vertebrates had eyes that use lenses to direct incoming light to a retina. Not anymore. In a recent paper in Current Biology,...Read full article

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    Published: January 2009
    Glossary
    retina
    1. The photosensitive membrane on the inside of the human eye. 2. A scanning mechanism in optical character generation.
    Biophotonicslensesmirrorsoptical engineerOpticsPostscriptsretina

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