vision · ​. [uncountable] the ability to see; the area that you can see from a particular position · ​. [countable] an idea or a picture in your imagination · ​ · ​. Tunnel vision · Double vision · Field of vision · Vision mixer

1[uncountable] the ability to see; the area that you can see from a particular position to have good/perfect/poor/blurred/normal vision 20–20 vision (= the ...

There are 12 meanings listed in OED's entry for the noun vision, one of which is labelled obsolete. See 'Meaning & use' for definitions, usage, and quotation ...

VISION definition: 1. an idea or mental image of something: 2. an experience in which you see things that do not…. Learn more.

the total amount of space that you can see from a particular point without moving your head. He saw Ann move away from him and leave his field of vision.

​the total amount of space that you can see from a particular point without moving your head. He saw Ann look away from him and leave his field of vision.

the vision thing a political view encompassing the longer term as distinct from short-term campaign objectives. The expression comes from the response of the ...

There is one meaning in OED's entry for the noun word-vision. See 'Meaning & use' for definition, usage, and quotation evidence.

(also twenty-twenty-vision) [uncountable] the ability to see clearly from a distance of 20 feet, without using glasses or contact lenses.

vision. Quick Reference. The sense that enables perception of objects in the environment by means of the eyes.