Walmart Optical Training Set 1 (Questions + Answers) Solved

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. 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