Is Animal Vision 20/20?
Ever wondered how we actually know how other animals see?
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Measuring visual acuity in animals is not as straightforward as it is for humans, you can't just sit them in front of a Snellen eyechart and hope they'll tell you what they see. In today's episode I tell you about three alternative ways for estimating acuity.
Special thanks to:
┬►Yuk Fai Leung from Purdue University for his zebrafish footage
├─● Zebrafish eyes: • Optokinectic response of zebrafish larvae.
├─● Optokinetic motor: • A simple optokinectic response machine.
├─● Lab: https://www.bio.purdue.edu/lab/leung/
└─● Research: https://www.bio.purdue.edu/lab/leung/...
Other videos used with permission:
Optikinetic response: • Optokinetic nystagmus
Photos courtesy of National Eye Institute
Check them out here: https://www.flickr.com/photos/nationa...
(..yes I know I typed that as Natural Eye Institute in the video, I need my eyes checked).
More research:
┬► FURTHER READING (this is quite simplified ;) )
├─● Falcon vision: http://www.sciencedirect.com/science/...
├─● Eagle vision: https://www.ncbi.nlm.nih.gov/pubmed/4...
├─● Mantis shrimp vision: http://web.qbi.uq.edu.au/ml/wp-conten...
├─● Measuring Zebrafish OKR: https://www.ncbi.nlm.nih.gov/pubmed/1...
├─● Zebrafish OKR: https://www.ncbi.nlm.nih.gov/pmc/arti...
├─● Mice visual acuity: http://www.sciencedirect.com/science/...
├─● Visual acuity measurement: https://www.nist.gov/sites/default/fi...
└─● Chapter on visual acuity: http://webvision.med.utah.edu/book/pa...
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