the lens of an eyepiece closest to the eye.
Origin of eye lens
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for eye lens
Irradiation has also been ascribed to spherical aberration in the eye-lens and to diffraction of light at the pupil.Visual Illusions|Matthew Luckiesh