presbyopic

ikänäköinen Affected by or pertaining to presbyopia. (defdate)
1996, (w), Infinite Jest, Abacus 2013, p. 11:

the Moms, bent way down to me, hand reaching, her lowering face with its presbyopic squint, suddenly stopped, froze, beginning to I.D. what it was I held out (..)

These experiments prove that some alteration has taken place in the eye equivalent to a lengthening of the eye, or a shortening of the principal focus, which enables presbyopics to read without glasses.