Green’s Dictionary of Slang

1. a nickname for one who blinks all the time.

1937–84

Partridge DSUE (1984) 95/1: C.17–20.

2. the eyes.

1935		Thieves Slang ms list from District Police Training Centre, Ryton-on-Dunsmore, Warwicks 2: Blinks (or blinkers): Eyes.
1984		Partridge DSUE (8th edn) 95/1: from ca. 1870.

3. a pair of spectacles.

1881		Dundee Courier (Scot.) 6 May 7/4: I’ll buy a swag in the blinks line. I know something of that business.
1882		Manchester Courier 28 Jan. 10/6: Billy the Blinks, as his ‘monaker’ testified [...] was a hawker of spectacles .
1947		Thieves Slang ms list from District Police Training Centre, Ryton-on-Dunsmore, Warwicks n.p.: Blinks (or blinkers): [...] eye glasses.