eye lens

noun

, Optics.

1. the lens of an eyepiece closest to the eye.

Word History and Origins

Origin of eye lens¹

First recorded in 1870–75

Example Sentences

Special eyepieces are also obtainable having a sledging adjustment to the eye lens for focussing the micrometer.

From Project Gutenberg

The visual angle of an object is the angle at the eye lens between the rays that have come from the ends of the object.

From Project Gutenberg

It is difficult, however, to look at objects without automatically adjusting the eye lens so that it will make a sharp image.

From Project Gutenberg

It is due either to an eyeball that is elongated, or to an eye lens that is too convex, or to both conditions.

From Project Gutenberg

But there is still another, always up side down, which is the reflection from the back side of this same eye lens.

From Project Gutenberg