I need a pupillometer (or may be another device) that will measure pupils size and will do it automatically and will cost lower 1K$. Any advice where I can find or buy it?
You may also consider open source solutions: https://pupil-labs.com/
The following articles may have useful information:
https://biomedical-engineering-online.biomedcentral.com/articles/10.1186/1475-925X-9-26
http://journals.sfu.ca/flr/index.php/journal/article/view/256
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