To address the smaller proportion of people who are genuinely curious whether Nootropics can make you cross eyed or cause strabismus: Nootropics can have some very strong effects, but they definitely don't cause strabismus which I have or make anyone cross eyed.
If they did, it would be very well documented in the human studies and clinical studies done on Nootropics which encompass many thousands of individual participants, you can search on Pubmed, it's not.
http://www.ncbi.nlm.nih.gov/pubmed/?term=(strabismus%5BTitle%2FAbstract%5D)+AND+Nootropics%5BTitle%2FAbstract%5D
If they did, there would be anecdotal reports to this effect in the Biohacker forums and there isn't. There's just me.

Checkout my book
How To Be Cross Eyed: Thriving Despite Your Physical Imperfection
https://www.limitlessmindset.com/books/231-how-to-be-cross-eyed

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https://www.limitlessmindset.com/blog/25-limitless-mindset-secret-society
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