Abo exam 2023 solved 100 Study guides, Class notes & Summaries

Change a bifocal Rx to a single vision Rx - ANSWER-Add the bifocal power to the sphere powers. OD: -0.50 OS: -0.25-0.25x172 Add: +1.75 Turns into- OD: +1.25 OS: +1.50-0.25x172 Anisometropia - ANSWER-There is a difference of 3 diopters between both eyes; when the vision of the eyes differs by a large margin. Antimetropia - ANSWER-Refers to Rx's that differ in sign. Ex. OD: +0.25 OS: -0.75 Simple Hyperopia - ANSWER-The Rx will be a + sphere Simple Myopia - ANSWER-The Rx will...

vitreous humor - ANSWER-the transparent, colorless mass of soft, gelatinous material which fills the eyeball behind the lens: 1.42 - ANSWER-the index of refraction of the crystalline lens is: 1.37 - ANSWER-the cornea has an index of refraction of: 6 - ANSWER-the extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______________ of these muscles in each eye. sclera and cornea - ANSWER-the fibrous tunic is comprised of th...

Single Vision - ANSWER-corrects for one distance Multifocal - ANSWER-Corrects with two or more prescriptions (or 'powers') Bifocal - ANSWER-lens having two focus strengths Trifocal - ANSWER-pertaining to having three focus strengths Calculating Prismatic Effects - ANSWER-obtained at the center of an optical lens by producing a difference in edge thickness, either by grinding the back surface at an angle to the front surface during lens surfacing or, if the lens has sufficient power...