ABO Practice Test Questions with All Correct Answers

ABO Practice Test Questions with All Correct Answers The extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______of these muscles. - Answer-Six The fibrous tunic is comprised of the: - Answer-Sclera and cornea Fusion occurs: - Answer-In the brain The aqueous fluid is continually being manufactured by: - Answer-The ciliary body The ability of the eye to bring objects of varying distances to focus on the retina is known as: - Answer-Accommodation When accommodation is at rest, rays of light from a distant source come to focus behind the retina. This condition is known as: - Answer-Hyperopia Impulses are carried from the retina to the brain along the: - Answer-Optic nerve That area of the retina capable of perceiving the greatest amount of detail is: - Answer-Fovea centralis The average cornea has a refractive power of approximately: - Answer-43 diopters The layer of the cornea which is highly regenerative is: - Answer-The epithelium Night vision is chiefly a function of the: - Answer-Rods A tendency of the visual axis to deviate inward while the eyes are in a position of rest is known as: - Answer-Esophoria A "farsighted" eye is one that is: - Answer-Hyperopic The term used to indicate "double vision" is: - Answer-Diplopia The condition in which the ability to accommodate for near vision becomes inadequate because of loss of elasticity of the crystalline lens is called: - Answer-Presbyopia When there is a loss of vision without any apparent disease of the eye it is known as: - Answer-Amblyopia A refractive error in which the rays of light do not come to a single point of focus is called: - Answer-Astigmatism The condition in which the crystalline lens of the eye gradually loses its transparency with consequent loss of visual acuity is known as: - Answer-Cataract An ocular disease having as its primary characteristic a sustained increase in intraocular pressure. - Answer-Glaucoma The space between the front of the iris and the innermost portion of the cornea (the endothelium), this space is filled with aqueous. - Answer-Anterior chamber