Can a Human See a Single Photon? (1996)
Recent experiments have put the claim to test<p>Overview
<a href="https:&#x2F;&#x2F;www.nature.com&#x2F;articles&#x2F;nature.2016.20282" rel="nofollow">https:&#x2F;&#x2F;www.nature.com&#x2F;articles&#x2F;nature.2016.20282</a><p>The actual work
<a href="https:&#x2F;&#x2F;www.nature.com&#x2F;articles&#x2F;ncomms12172" rel="nofollow">https:&#x2F;&#x2F;www.nature.com&#x2F;articles&#x2F;ncomms12172</a><p>&gt; Here we report that humans can detect a single-photon incident on the cornea with a probability significantly above chance.