---
title: The Evolution of the Human Eye — HIGH T3CH
url: https://hight3ch.com/the-evolution-of-the-human-eye/
date: 2015-01-13
---

# The Evolution of the Human Eye

The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant horizon in a third of a second. How did these complex structures evolve? Joshua Harvey details the 500 million year story of the human eye.