Israel’s AdOM Advanced Optical Technologies has developed the Tear Film Imager (TFI) which, in 40 seconds, measures the tear film layer of the eye to detect if someone has coronavirus. Israel’s Sheba Medical Center is now recruiting volunteers for a clinical study of the TFI.
https://www.jns.org/israel-to-test-for-covid-19-using-non-invasive-eye-exam/