ABO exam Prep WITH 1000% SURE ANSWERS
Focusing of the eye in a near object theough relaxation of the ciliary muscle and
Accommodation
thickening of the lens.
Amblyopia The loss of vision without any apparent disease of the eye.
A refractive error in which the eye, when in a state of rest, does not focus the image
Ametropia
of an object upon the retina, includes hyperopia, myopia, and astigmatism
A condition in which the ocular image of an object as seen by one eye differs so
Aniseikonia much in size or shape from that seen by the other eye that the two images cannot be
fused into a single impression
A condition in which the refractive error of one eye significantly differs from that of
Anisometropia
the other; each eye must have the same sign i.e. Both eyes are myopic or hyperopic
The refractive condition whereby the signs in each eye are opposite; one eye is
Antimetropia
hyperopic while the other is myopic
Aphakia An absence of the crystalline Lens of the eye
The clear watery fluid that fills the anterior and posterior chambers within the front
Aqueous humor
part of the eye
A refractive error that prevents the light rays from coming to a single focus on the
Astigmatism retina because of the different degrees of refraction in the various meridians of the
eye
A condition in which the crystalline lens of the eye, or its capsule, or both become
Cataract
opaque with consequent loss of visual acuity
The vascular intermediate coat that furnishes nourishment to other parts of the
Choroid
eyeball
That portion of the vascular coat between the iris and the choroid. It consists of
Ciliary body
ciliary processes and the ciliary muscle
Compound hyperopic astigmatism The refractive error which results in two points of focus falling behind the retina
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