1 the eyes 20-.
2 spectacles 20. etymology: perhaps imitative from the act of winking; also attested by Galloway Tinkler-Gypsies, BS in TDITA and SS; also collected by EMcC/PS; sense 2 attested by Perthshire and Argyleshire Tinkler-Gypsies and ET note:
Canadian Paul Pope (2013) cites this form with the same meaning.