they have 20/20 vision. The resulting perception is also known as vision, sight, or eyesight (adjectives visual, optical, and ocular, respectively). The...

Iron sights are a system of physical alignment markers (usually made of metallic material) used as a sighting device to assist the accurate aiming of ranged...

A telescopic sight, commonly called a scope informally, is an optical sighting device based on a refracting telescope. It is equipped with some form of...

Look up second sight in Wiktionary, the free dictionary. Second Sight may refer to: Second sight, or extrasensory perception, an alleged vision of remote...

In music, sight-reading, also called a prima vista (Italian meaning "at first sight"), is the practice of reading and performing of a piece in a music...

"On Sight" is a song by American rapper Kanye West from his sixth studio album, Yeezus (2013). It was produced by West and Daft Punk, with additional...

Collimator sight Diopter sight Globe sight Head-up display Holographic weapon sight Iron sight Laser sight Reflector sight Gyro gunsight Red dot sight Telescopic...

The line of sight, also known as visual axis or sightline (also sight line), is an imaginary line between a viewer/observer/spectator's eye(s) and a subject...

Sight and Sound (formerly written Sight & Sound) is a monthly film magazine published by the British Film Institute (BFI). Since 1952, it has conducted...

A reflector sight or reflex sight is an optical sight that allows the user to look through a partially reflecting glass element and see an illuminated...