All the muscles are involved in accommodation reflex except:: (A) Medial rectus, (B) Lateral rectus, (C) Ciliaris muscle, (D) Sphincter pupillae
Answer is B. - Lateral rectus is not involved in accomodation reflex. - Accommodation reflex involves : Convergence of eyeball - by medial rectus Constriction of pupil - by sphincter pupillae Increase in thickness of lens -by ciliaris muscle