Optician

"A" Box Measurement - correct answers frame lens measurment from nasal to temporal point of a shape Abbe value - correct answers measure of materials tendency to disperse light Add power - correct answers plus power in addition to distance power to see near Against the rule - correct answers axis of a minimum cylinder located near 90 degrees Aluminum - correct answers natural metal light weight and not strong for frames Amblyopia - correct answers reduction of vision with no pathologic cause in eye or visual pathways in the brain Ametropia - correct answers condition for eye requires a refractive correction Aniseikonia - correct answers condition which the ocular image in one eye differs than other, two can't be fused comfortable Anisocoria - correct answers unequal pupil size Anisometropia - correct answers condition eyes have different refractvie errors. results in visiual discomfort and or prismatic effects at near ANSI - correct answers organization to dedicate to standards of optical devices Anterior Chamber - correct answers space in front of the eye behind the cornea and in front of the iris, filled with aqueous humor Antimetropia - correct answers condition one eye far other eye near Aphakic - correct answers eye has no crystalline or intraocular lens, due to cataracts Applanation - correct answers tonometry dr uses to check introcular pressure by applying pressure to cornea with a measuring device Aqueous humor - correct answers clear watery fluid fills anterior and posterior chambers within front of eye. Provides nutrients to the lens, removes waste and maintains intraocular pressure, is a refractive medium of the eye Aspheric lens - correct answers lens design for non shperical that changes in curvature to improve optical and or cosmetics Aspheric lenticular - correct answers lens designed to improve thickness and weight in high plus powers Asthenopia - correct answers eye fatigue caused by tiring of the internal/or external eye muscle Astigmatism - correct answers inability of the eye to bring light to focus at a single point because its refractive error is not uniform in all meridians Asympotomatic - correct answers shows no symptons Axis drum - correct answers large wheel on Lensometer marked from o-180 to find axis on lens Axis - correct answers meridian in a cylinder lens where none of the cylinder power is present "B" Box Measurement - correct answers frame or lens measurement , vertical distance from the uppermost to lowermost point of shape Base Curve - correct answers curve that becomes the basis from remaining curves, front of spectacle or back of contact lens Bicentric grinding - correct answers grinding base up prism in the reading portion but not distance portion Bioncave - correct answers lens style with both front and back surfaces are concave Biocanvex - correct answers lens style with both front and back are conves Bifocal lens - correct answers lens providing distance and near Binocular - correct answers both eyes working together