How oxygen shaped the evolution of better eyesight

Presse/medie

Beskrivelse

A new international study involving the University of Liverpool reveals how the evolution of powerful vision was shaped by an improved oxygen supply to the eyes.

Keen eyesight in vertebrates – from fish to birds and mammals – relies on large eyes and thick retinas. Yet the visual process is energetically costly and the high oxygen demand of thick retinas is difficult to meet by the conventional oxygen supply mechanism through blood vessels just behind the retina.

Periode11 dec. 2019

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