<prompt> Spectacle shown below is used inBifocal for presbyopiaBifocal for adult aphakiaBifocal for pediatric aphakiaProgressive bifocal for presbyopia  <response>: Ans. c Bifocal for pediatric aphakiaRef: Diagnosis and Management of Ocular Motility Disorders by Alec M. Ansons, Helen Davis 3e, p. 36These are straight type executive type bifocals with a central lie dissecting the visual axis, such that the top of the reading segment passes just below the middle of the pupil when the eye is in the primary position. Indicated inAphakia in childrenAs low vision aids in childrenIn selected cases of treatment od accommodative esotropia with convergence excessBifocals preferred in presbyopiaadults are usually D shaped 