ABO advance study guide With 550 Questions and 100% Correct Answers

ABO advance study guide With 550 Questions and 100% Correct Answers ._____ may result in protrusion of one or both eyes, dry eye to cornea exposure, convergence insufficiency, and/or hypertropia. - ANSWER-Grave's disease or hyperthyroidism .______ is a federal agency who has adopted the ANSI z-87 standards for workplace and educational settings. - ANSWER-OSHA .______ sign is defined as an abnormal forward bulging of the lower eyelid border observed when a patient looks downwards, caused by high curvature of the cornea as deformed by keratoconus. - ANSWER-Munson's ._______ added to any color increases contrast. - ANSWER-Yellow ._______ are _____ cells that detect motion within a field. - ANSWER-Rods-Long ._______ is better than ______ for improving contrast? - ANSWER-Green-Gray ._______ is defined as a abnormal accumulation of watery fluid, presumably aqueous humor, in the stroma and usually the epithelium of the normal clear cornea. - ANSWER-Corneal hydrops ._______ is the condition whereby the eye turn in opposite (different) directions. - ANSWER-Heterotropia .________ established protective standards, enforces those standards, and reaches out to employers and employees through technical assistance and consultation programs. - ANSWER-OSHA .________ is a federal agency that oversees the production and approval of both food and drug products. - ANSWER-The FDA .________ is the condition in which both eyes have equal refractive power. - ANSWER-Insometropia .________ is vertical misalignment caused by a twisted bridge in which the top of one lens eye wire is tilted out and the other is tilted in. - ANSWER-x-ing ._________ is an organization that develops standards covering sports related eyewear products. - ANSWER-OSHA ._________ is defined as pigmentary degeneration of the retina. Symptoms start with _____ night vision and later progress to a diminishing of _____ vision - ANSWER-Retinitis pigmentosa- decreased- peripheral .__________ are generally inorganic materials (metals or minerals) that are vacuum deposited to add color on glass lenses to give a uniform density of color on the lenses. - ANSWER-Vacuum color coating .A _______ is a wing-like thickening of fibrovascular connective tissue and blood vessels beneath the bulbar conjunctiva which slowly grows from the inner canthus over the limbus and into the superficial cornea. - ANSWER-Pterygium .A _________ is used to measure vertex distance. - ANSWER-Disometer .A "farsighted" eye is one that is: - ANSWER-Hyperopic .A +4.00D lens decentered in 4mm creates: PCMxD - ANSWER-1.6 diopters in .A 3.00 prism will deviate a ray of light _______ at a distance of 5 meters. - ANSWER-15cm .A bifocal, for a first time wearer, should be fitted at which of the following reference points: - ANSWER-Lower lid margin .A Characteristic of a dark tinted glass lens with an RX of +4.00 SPH would be _________. - ANSWER-Darker in the center and lighter on the edge .A comprehensive eye exam is known as a refraction. TRUE or FALSE - ANSWER-False .A condition in which the refractive error of one eye significantly differs from that of the other and where both eyes have the same sign (both eyes are myopic or hyperopic) is known as: - ANSWER-Anisometropia .A consumer complains that his old glasses give him better visual acuity than his new glasses (same RX). what should the optician do? - ANSWER-Check the vertex distance and base curve .A critical rule when splitting prism is to: - ANSWER-maintain the same prescribed direction the same eye as originally prescribed .A difference in pupil size is called - ANSWER-anisocoria .A disavantage of the Galilean telescope is that _______. - ANSWER-the field of view is smaller. .A disavantage of the keplerian telescope is that ______. - ANSWER-The image is inverted .A diverging lens produces a _______image. - ANSWER-virtual .A lens dispersing white light into its components colors is an example of which abberation. - ANSWER-Chromatic Aberration .A lens which reads +3.00 -2.00 x090 is decentered in 6mm to much. How much horizontal prism is created by this error? P-HCM x D - ANSWER-.6 Diopters base in. .6x1.00 .A lensometer target indicates a lens has 2D of base up with a 5.00 prism D auxiliary prism positioned base down. The total base up prism in the lens is __________ prism diopters - ANSWER-7 Prism Diopters .A minus lens could be simplistically described as: - ANSWER-Two prism apex to apex .A new RX with a large increase in plus power will require the patient to converge ________ when reading. - ANSWER-more .A non-verbal determination of refractive error is called a ___________. - ANSWER-Objective refraction .A ophthalmic professionals, and ethical conduct is understood and is not an issue that we need to consider in our profession. TRUE or FALSE - ANSWER-False .A pair of eyewear is dispensed to the customer. The optical center placement is 2mm lower than customer line of sight. In a plus power RX. What type of prism has been induced? - ANSWER-Base down prism .A patient is prescribed a +12.00D sphere with a fitting distance of 13mm. When the finished eyewear is dispensed, the wearing distance is 8mm. What will the customer experience? - ANSWER-That the lens feels weaker .A patient is prescribed a +15.00D sphere with a fitting distance of 13mm. When the finished eyewear is dispensed the wearing distance is 16mm. Determine the compensated lens power that will be supplied. - ANSWER-+14.25D .A patient who has a best corrected central acuity of 20/200 is considered __________. - ANSWER-Legally blind .A patient will experience photophobia and poor near vision after ______. - ANSWER-Cycloplegic refraction .A patient's record shows a prescription of OD +2.50 OS NLP In their left eye, the patient ________. - ANSWER-is totally blind .A patient's visual acuity is recorded as 20/200 SC. This would indicate ______. - ANSWER-their acuity without correction .A plus lens ------------- light rays - ANSWER-converges .A plus lens could be simplistically described as: - ANSWER-Two prism base to base .A plus lens moved downward from the primary position will result in: - ANSWER-Base down prismatic effect .A plus lens that is moved closer to the eye will have its power effectively how? - ANSWER-Decreased power