Engineering

Exploring biomimetic curved artificial compound eyes

As one of the most successful eye designs in the animal kingdom, natural compound eyes (NCEs) have attracted significant research attention in replicating the anatomical configuration to form biomimetic curved artificial ...

Engineering

Electronic eye: Technology for breakdowns prevention

Detecting deformations and the wear-out rate of underground water mains is one of the functions of the measuring optical device created by the scientists of Ural Federal University in collaboration with D-TEST Optical Measurement ...

Hi Tech & Innovation

How does a computer know where you're looking?

Imagine driving a car, using a heads-up display projection on the windshield to navigate through an unfamiliar city. This is augmented reality (AR); the information is used to not only guide you along a route, but also to ...

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Eye

Eyes are organs that detect light, and send signals along the optic nerve to the visual and other areas of the brain[citation needed]. Complex optical systems with resolving power have come in ten fundamentally different forms, and 96% of animal species possess a complex optical system. Image-resolving eyes are present in cnidaria, molluscs, chordates, annelids and arthropods.

The simplest "eyes", such as those in unicellular organisms, do nothing but detect whether the surroundings are light or dark, which is sufficient for the entrainment of circadian rhythms. From more complex eyes, retinal photosensitive ganglion cells send signals along the retinohypothalamic tract to the suprachiasmatic nuclei to effect circadian adjustment.

This text uses material from Wikipedia, licensed under CC BY-SA