Walmart Optical Training Set 1 - Real Exam Solutions

Walmart Optical Training Set 1 - Real Exam Solutions Adnexa - answer - total orbit, includes the bony sockets, eyelids, muscles, lacrimal glands, fatty support tissues, and the globe itself. Eyelids - answer - serve to protect and moisten the globe with tears produced by the lacrimal glands. Globe - answer - The actual "eyeball" Vascular Tunic - answer - Nourishing layer consisting of the iris, ciliary body, and the choroid Choroid - answer - Provides nutrients to the retina Fibrous Tunic - answer - Protective coat of the eye consisting of the sclera, cornea, and limbus Neural Tunic - answer - Consists of the retina and includes the macula, fovea, and the optic disk. Optic Nerve - answer - A Specialized nerve a the optic disc which carries impulses from the retina to the brain. Cornea - answer - The clear tissue that covers the front of the eye. Aqueous Humor - answer - Located in both anterior and posterior chambers, helps to keep the cornea moist and to maintain intraocular pressure Crystalline Lens - answer - Has a refractive power of 17.00 Diopters and focuses light on the retina. Gets thicker and slimmer to focus. Accomodation - answer - Thickening of the lens. Vitreous Humor - answer - Serves to maintain the proper shape and temperature of the eye. Retina - answer - the light-sensitive inner surface of the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information Macula - answer - The area on the back of the retina Cones - answer - Responsible for day-vision and perceiving detail and color Rods - answer - Responsible for night-vision and perceiving black and white Fovea Centralis - answer - The most sensitive area of the retina located in the center of the macula Extra Ocular Muscles - answer - Inserted into the sclera and enable rotation in all directions. Strabismus - answer - Muscle imbalance Phoria - answer - A tendency for the eyes to turn from the normal position to binocular vision Tropia - answer - A tendency for the definite and obvious turning of the eyes from normal vision Amblyopia - answer - A functional eye that for some reason becomes a non-seeing eye Antimetropia - answer - One eye needs a plus and the other needs a minus Exotropia - answer - A definite turning outward of the eye Exophoria - answer - A tendency of the eye to turn outward Esotropia - answer - A definite turning inward of the eye Esophoria - answer - A tendency for the eye to turn inward Hypertropia - answer - A definite turning upward of the eye Hyperphoria - answer - A tendency of the eye to turn upward Hypotropia - answer - A definite turning downward of the eye Hypophoria - answer - A tendency of the eye to turn downward Emmetropia - answer - An eye has no refractive errors and the globe has an average length of 1 inch Ametropia - answer - When an eye has an error and parallel light does not focus on the retina Refractive Ametropia - answer - Ametropia in which the cornea is too strong or too weak Axial Ametropia - answer - Ametropia in which the eye is too big or too small Myopia - answer - nearsightedness; light comes to focus in front of the retina, requires minus corrective lenses Hyperopia - answer - farsightedness; light comes to focus behind the retina, requires plus corrective lenses Simple Astigmatism - answer - Astigmatism in which one point of focus always falls on the retina Compound Astigmatism - answer - Astigmatism in which both points of focus are either in front of or behind the retina Mixed Astigmatism - answer - Astigmatism in which one point of focus falls behind the retina and one falls in front of the retina Monocular - answer - One eye Binocular - answer - Two eyes Stereopsis - answer - The method to see 3D images and use depth perception Convergence - answer - The focusing of the eyes inward Divergence - answer - The focusing of the eyes outward Fusion - answer - The ability of the brain to convert images coming