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Eye Strain Due to Close Quarter Sight Designs

There are stories that that close quarter (CQB/CQC) sights should not be designed for unity magnification due to eye strain, and that the supposed “ideal” magnification allegedly lies in the area of 1.03-1.05 times. Therefore,…


Researchers Combine Metalens With an Artificial Muscle

Artificial eye automatically stretches to simultaneously focus and correct astigmatism and image shift. Inspired by the human eye, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed an adaptive metalens, that is essentially a flat, electronically controlled artificial eye. The adaptive metalens simultaneously controls for three of the