One word for "a one-eyed person"

There is monoculus for a one-eyed person but OED says that it is obsolete.

†2. A one-eyed person or creature. Obs.

Etymology from OED:

< post-classical Latin monoculus the caecum (1363 in Chauliac), a one-eyed person or creature (7th cent.; from 12th cent. in British sources), irregularly < ancient Greek μονο- mono- comb. form + classical Latin oculus .

_{The word is perhaps attested earlier in sense A. 2 as a surname, Simon Monoculus (1212), though it is unclear whether this is to be interpreted as Middle English or post-classical Latin.}

For someone who is blind in one eye or wearing an eye-patch, it doesn't seem like there is a specific single word. (For example, there is borgne in French.)

However, there is again an obsolete word for this sense: purblind.

2. †a. Blind in one eye. Obs.

Urbandictionary mentions pirate-eyed as a slang term but it is described as a specific case:

"Pirate-eyed" is a condition resulting from over use of the iPhone or similar device in the dark or dimly-lit environment whilst favoring one eye. The resulting condition causes a temporary focal imbalance akin to having a patch over an eye.

A monops.

monops, n. and adj.

rare.

A. n.

A one-eyed individual.

1743 tr. N. Andry Orthopædia II. iv. 89 There are some People who have one Eye so small that one would almost say they have only one, whence the Name of Myopia is given to this Deformity, as the Person who has it is called a Monops.

1842 J. Wilson Recreations Christopher North II. 138 A few years ago.., in a mine in Cornwall, after a descent of about one-third the bored earth's diameter, we were saluted by name by a grim Monops who had not seen the upper regions for years.

1858 R. J. MacGeorge Tales, Sketches & Lyrics 191 Ardlaw rushed from the unlucky messuage with only one eye... Thus mutilated, mother Church..would have nothing to say to the monops.

1875 G. Meredith Beauchamp's Career xlv, in Fortn. Rev. 18 593 He would have been a Nelson of politics, if he had been a monops, with an excuse for not seeing.

1900 W. A. N. Dorland Illustr. Med. Dict. 396/1 Monops, a fetus having but a single eye.

B. adj.

That has only one eye; one-eyed.

1857 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Monops, having but one eye: one-eyed. 1993 J. Peck Argura 62 Monops, monoglot, monosandalos—plenitude in a point.

A monophthalmic, derived from adjective monophthalmic and medical condition monophthalmia.

monophthalmic, adj. rare.

Having only one eye; one-eyed.

1857 J. W. Donaldson Christian Orthodoxy 356 The belief in Cyclopian or monophthalmic deities.

1865 Sat. Rev. 16 Sept. 355/2 St. Jerome was equally explicit about the existence of the Phœnix and monophthalmic men. 1995 Times Higher Educ. Suppl. (Nexis) 1 Sept. 23 The deeper reading that sees the monophthalmic Cyclops as holding up a mirror to the Greeks' own cultural..deficiencies.

Source: Oxford English Dictionary