ABO Exam Prep Part 1: Anatomy & Physiology Correct 100%

the ciliary muscle & thickening of the lens, associated with eye convergence & pupil constriction Accommodation - ANSWER Focusing of the eye on a near object through relaxation of Amblyopia - ANSWER The loss of vision without any apparent disease of the eye, also known as "lazy eye" Ametropia - ANSWER A refractive error in which the eye, when in a state of rest, does not focus the image of an object upon the retina; includes hyperopia, myopia, & astigmatism Amsler grid - ANSWER Test used to reveal irregularities in a patient's central field; if lines on printed grid are warped or wavy, macular degeneration is suspected Aniseikonia - ANSWER A condition in which the difference between each eye's power is greater than 2.00 D, such that the two images cannot be fused into a single impression Anisometropia - ANSWER A condition in which the refractive error of one eye significantly differs from that of the other; each eye must have the same sign, i.e. both eyes are myopic or hyperopic Antimetropia - ANSWER The refractive condition whereby the signs in each eye are opposite; one eye is hyperopic while the other is myopic Aphakia - ANSWER An absence of the crystalline lens of the eye +10.00 D, +3.00 D - ANSWER Aphakia should be suspected whenever a patient's Rx is greater than this power & this maximum add