Walmart Optical Training Questions and Answers 100% correct 2024 final Exam

Walmart Optical Training Questions and Answers 100% correct 2024 final Exam Aqueous Humor Located in both anterior and posterior chambers, helps to keep the cornea moist and to maintain intraocular pressure Crystalline Lens Has a refractive power of 17.00 Diopters and focuses light on the retina. Gets thicker and slimmer to focus. Accomodation Thickening of the lens. Vitreous Humor Serves to maintain the proper shape and temperature of the eye. Retina 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 The area on the back of the retina Cones Responsible for day-vision and perceiving detail and color Rods Responsible for night-vision and perceiving black and white Fovea Centralis The most sensitive area of the retina located in the center of the macula Extra Ocular Muscles Inserted into the sclera and enable rotation in all directions. Strabismus Muscle imbalance Phoria A tendency for the eyes to turn from the normal position to binocular vision Tropia A tendency for the definite and obvious turning of the eyes from normal vision Amblyopia A functional eye that for some reason becomes a non-seeing eye Antimetropia One eye needs a plus and the other needs a minus Exotropia A definite turning outward of the eye Exophoria A tendency of the eye to turn outward Esotropia A definite turning inward of the eye Esophoria A tendency for the eye to turn inward Hypertropia A definite turning upward of the eye Hyperphoria A tendency of the eye to turn upward Adnexa total orbit, includes the bony sockets, eyelids, muscles, lacrimal glands, fatty support tissues, and the globe itself. Eyelids serve to protect and moisten the globe with tears produced by the lacrimal glands. Globe The actual "eyeball" Vascular Tunic Nourishing layer consisting of the iris, ciliary body, and the choroid Choroid Provides nutrients to the retina Fibrous Tunic Protective coat of the eye consisting of the sclera, cornea, and limbus Neural Tunic Consists of the retina and includes the macula, fovea, and the optic disk. Optic Nerve A Specialized nerve a the optic disc which carries impulses from the retina to the brain. Cornea The clear tissue that covers the front of the eye. Hypotropia A definite turning downward of the eye Hypophoria A tendency of the eye to turn downward Emmetropia An eye has no refractive errors and the globe has an average length of 1 inch Ametropia When an eye has an error and parallel light does not focus on the retina Refractive Ametropia Ametropia in which the cornea is too strong or too wea