How to see the blood vessels in the backs of your eyes

All I’m going to say about this is “wow.” Watch it. Try it. Let your mind (but thank­fully not the blood ves­sels in your eyes) be blown. Oh, I’ll also say that this fan­tastic video, and many others, can be found on North­eastern grad­uate stu­dent Guil­laume Riesen’s blog and YouTube channel (s).