astigmatism (defect of a lens)

aberration

spot, dot / score, grade, mark(s) / point

supplement and correction; compensation

to supplement and correct; to compensate for

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

negative prefix: in-, non-, un-

glasses, eyeglasses