EYEGLASSES. EYEGLASSES Progressive glass correction of presbyopia. The progressive glass enables a variation between the near vision at the bottom, the intermediary vision in the middle and the far vision on the top, without neither a rupture of the depth field nor blurry area. This image is part of a series concerning the correction of presbyopia. See. images 0351507 for the different ways of correction, 0351407 for the different types of glasses, 0352207 and 0352307 for the progressive glasses