monocular

[muh-nok-yuh-ler]

adjective

1. having only one eye.

2. of, relating to, or for the use of only one eye.

   a monocular microscope.

noun

1. a monocular instrument or device.

monocular

/ mɒˈnɒkjʊlə /

adjective

1. having to do with or using only one eye

noun

1. a device for use with one eye, such as a field glass

Other Word Forms

• monocularly adverb

Word History and Origins

Origin of monocular¹

1630–40; < Late Latin monocul ( us ) one-eyed ( monocle ) + -ar ¹

Word History and Origins

Origin of monocular¹

C17: from Late Latin monoculus one-eyed

Example Sentences

Though Duong feels the tumor shrinking and the size of his eye has receded, he still has monocular vision.

Read more on Los Angeles Times

Dolphins can use binocular or monocular vision but typically use monocular, giving them a whopping two hundred degree vista from each eye compared to primates’ limited field of view, using our two forward-facing eyes, of around ninety degrees to each side of the midline, sixty below the point of focus, and fifty above.

Read more on Salon

Roske pulled up near the home in a taxi shortly after 1 a.m. on June 8 carrying a suitcase with a gun and ammunition; a tactical chest rig with pepper spray and a knife; a flashlight; a laser; a thermal monocular and other burglary tools, according to court papers.

Read more on Seattle Times

Lynch, the study’s first author, is separately developing portable monocular technology for a device that could be used in physicians’ offices.

Read more on Seattle Times

Lynch is an assistant professor at the Elson S. Floyd College of Medicine and a lead researcher in a study that used what is called a portable monocular pupillometer for testing one eye at a time to measure how the pupils change in the presence of light.

Read more on Seattle Times