Aniseikonia - Study guides, Class notes & Summaries

ABO Practice Test (Answered) With Complete Verified Solution. To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. a) Drill b) Notch c) Groove d) V-Bevel c) Groove The optical center of a lens is: a) At the geometrical center b) One the 180 line c) At the point where the "a" and "b" measurement meet d) A lens location of zero deviation of the optical axis d) A lens location of zero deviation of the optical axis The progressive power ...

The amount of reflection of each surface of cr-39 lenses is approximately? A. 2% B. 4% C. 6% D. 8% - 4% The absorption of light in lenses is classified by two variables. What are they? A. Base curve and thickness B. Index of refraction and thickness C. Thickness and lens transmission D. Tint, and lens transmission - C. Thickness and len transmission The denser the tint in a lens____ A. The greater transmission of light through the lens B. The greater internal reflections in the le...

ABO Practice Test (Questions and Answers) 2024/2025 To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. a) Drill b) Notch c) Groove d) V-Bevel - Answer ️️ -c) Groove The optical center of a lens is: a) At the geometrical center b) One the 180 line c) At the point where the "a" and "b" measurement meet d) A lens location of zero deviation of the optical axis - Answer ️️ -d) A lens location of zero deviation of the optical axis The p...

Aberration + types of abberation - ANSWER-deviation from a single focus of light rays from one source; failure to bring light rays to a single focal point two types: chromatic and monochromatic Accomodation - ANSWER-the ability of the eye to adjust focus for varying distances Achromatic - ANSWER-lens that can refract light without creating rainbow effect What effects do Achromatic lens limit and how? - ANSWER-limits effects of chromatic, spherical aberration (combines and thus focuses ...

NCLE Study Material Terms 2024 Exam Graded A+ Strabismus - Answer -Crossed eyes, muscle or refractive imbalance that prevent normal binocular vision. Photophobia - Answer -Abnormal sensitivity to light Tropia - Answer -Definite turning of an eye away from its normal position. May result from weak or damage ocular muscle Aniseikonia - Answer -A relative difference in size and/or shape of the ocular images Amblyopia - Answer -Lazy eye, vision that cannot be corrected to 20/20 with the aid of...

ABO Exam Prep Part 1: Anatomy & Physiolog Accommodation - ANSWER Focusing of the eye on a near object through relaxation of the ciliary muscle & thickening of the lens, associated with eye convergence & pupil constriction Amblyopia - ANSWER The loss of vision without any apparent disease of the eye, also known as "lazy eye" Ametropia - ANSWER A refractive error in which the eye, when in a state of rest, does not focus the image of an object upon the retina; includes hyperopia, myopia, &...

Aberration - Answer-Deviation from a single focus of light rays emanating from one source Accommodation - Answer-The ability of the eye to adjust focus for varying distances Achromatic - Answer-Descriptive of a lens capable of refracting light without creating a rainbow effect Acuity - Answer-Visual expression of sharpness of vision (2020 distance, J.1 near) Addition - Answer-Difference in plus power between the reading and distance portions of a mulitfocal lens Amblyopia - Answ...

Optician ABO Exam Questions & Answers Macular Degeneration - ANSWER-thinning of the macula, deprived of oxygen Scotoma - ANSWER-Blind spot; rods and cones detach from retina Refraction - ANSWER-bending of light rays Index of refraction - ANSWER-speed of light through air/ speed of light through a transparent medium Nanometer (nm) - ANSWER-unit of measurement to describe wavelength Emmetropia - ANSWER-Normal vision Ametropia - ANSWER-Vision needs to be corrected presbyopia...

ABO Exam Questions and Answers 2023 Complete (100%Verified). Name the 3 types of tunics of the eye, and what areas of the eye they consist of. - Correct Answer-1. Fibrous: cornea and sclera (outer protective coating) 2. Vascular: iris, ciliary body and choroid (uveal tract) 3. Neural: retina During accommodation, what 3 things do the eyes do? - Correct Answer-1. Ciliary muscle relaxes allowing for thickening of crystalline lens 2. Eyes converge 3. Pupils constrict What happens with An...

ABO Practice Test (Answered) With Complete Verified Solution. To mount a lens in a nylon suspension type frame, it would be necessary to _______ the lens. a) Drill b) Notch c) Groove d) V-Bevel c) Groove The optical center of a lens is: a) At the geometrical center b) One the 180 line c) At the point where the "a" and "b" measurement meet d) A lens location of zero deviation of the optical axis d) A lens location of zero deviation of the optical axis The progressive power ...