Do you really want to send Webster 1913 a message saying you like their work?
Mo*noc"u*lar (?), a. [L. monoculus; Gr. single + L. oculus eye: cf. F. monoculaire.]
1.
Having only one eye; with one eye only; as, monocular vision.
2.
Adapted to be used with only one eye at a time; as, a monocular microscope.
© Webster 1913.