Origin: Latin suffix -al
Optical has 5 different meanings across 1 category:
Any special effect requiring laboratory work on the film.
"The director insisted that every explosion in the finale be created through optical effects to ensure maximum realism on the big screen."
In plain English: An optical is a type of lens used to correct vision problems like nearsightedness or farsightedness.
"The optical was used to inspect the tiny circuit board for defects."
Usage: As a noun, optical refers to a special visual effect created by manipulating film or video in a laboratory rather than through live action. It is most commonly used in filmmaking to describe tricks like doubles, matte paintings, or miniature models that simulate scenes impossible to capture naturally.
of or relating to or resembling the eye
"ocular muscles"
"an ocular organ"
"ocular diseases"
"the optic (or optical) axis of the eye"
"an ocular spot is a pigmented organ or part believed to be sensitive to light"
"ophthalmic defect"
Of, or relating to sight; visual.
"The optical illusion made the straight road appear to curve as it disappeared into the horizon."
In plain English: Optical means having to do with light or how our eyes see things.
"The optical illusion made the room look much larger than it actually was."
Usage: Use "optical" when referring specifically to matters involving eyesight, vision, or devices like glasses and telescopes. Avoid it for general visual scenes unless the focus is strictly on how they are seen rather than what appears in them.
The word optical comes from combining optic with the suffix -al to mean "relating to sight." It entered English by adapting its root directly into an adjective form describing visual phenomena.