"eye, n.1." OED Online. Oxford University Press, September 2019. Web. 17 September 2019.

"eye, n.1." OED Online, Oxford University Press, September 2019, www.oed.com/viewdictionaryentry/Entry/67296. Accessed 17 September 2019.

"eye, n.1". OED Online. September 2019. Oxford University Press. https://www.oed.com/viewdictionaryentry/Entry/67296 (accessed September 17, 2019).