Uploaded July 2020 | Updated September 2026, 2 weeks ago

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Let's have a (relatively) quick and fun video on some of our furry friends' vision!


The magical NVidia sound thing ate a couple phonemes during the physics portion, apologies. Can't wait for it to be out of beta.


Gifs sourced from Giphy.com.

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Music: zoeblade.com

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Timestamps
0:00 Hi!
0:41 Brief human vision points
- 0:45 Color vision, including color deficiencies
- 5:03 Photoreceptor distribution
- 5:48 Choroid
6:31 Cats!
12:49 Dogs!
13:41 Bye (plus Izzy)


Links
Why do animal eyes have pupils of different shapes? Banks et al (2015) paper ncbi.nlm.nih.gov/pmc/articles/PMC4643806/pdf/1500391.pdf
True Facts: Cats' Killer Senses, Ze Frank youtube.com/watch?v=zfBJmytIegs
Online color vision test, longer xrite.com/hue-test?PageID=77
Online color vision test, shorter colorvisiontesting.com/ishihara