Abo exam stuvia Study guides, Class notes & Summaries

ABO ACTUAL EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ | ALREADY GRADED 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 intoOD: +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. Deeagle...

ABO- OPTICAL FORMULAS EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ | ALREADY GRADED What is the radius of curvature of a lens with 1.00D base curve? ANSWER: 1.00D= 530mm What is the radius of curvature of a lens with 6.00D base curve? ANSWER: 6.00D x ? = 530mm (6.00D/6.00D) x ? = (530mm/6.00D) ?= 88.33 What is the radius of curvature of a lens with 2.00D base curve? ANSWER: 2.00D x ? = 530mm (2.00D/2.00D) x ? =(530mm/2.00D) ?=265mm What is ...

ABO ACTUAL EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ | ALREADY GRADED 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 intoOD: +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. Deeagle...

ABO- OPTICAL TERMINOLOGY EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ | ALREADY GRADED Abbe Value ANSWER: A numerical expression of how prone a lens material is to causing chromatic aberration. The higher the Abbe value the lower the change it will cause aberration. Aberration ANSWER: An unclear image of an object when viewed through a lens. ABO ANSWER: American Board of Opticianry an agency that provides various levels of certification fo...

ABO EXAM 2 | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ | ALREADY GRADED Six 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. Sclera and cornea ANSWER: The fibrous tunic is comprised of the: In the brain ANSWER: Fusion occurs: The ciliary body ANSWER: The aqueous fluid is continually being manufactured by: Accommodation ANSWER: The ability of...

ABO EXAM 1 | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ | ALREADY GRADED fusion ANSWER: the ability of the brain to merge the two images created by the eye optic chasm ANSWER: the point at which the optic nerves from the inside half of each eye cross over and then project to the opposite half of the brain fibrous tunic ANSWER: sclera and cornea vascular tunic ANSWER: choroid, ciliary body, iris neural tunic ANSWER: retina palprebral fissure D...

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...

The extra-ocular muscles are inserted into the sclera and serve to rotate the eye in all possible directions. There are _______of these muscles. - ANSWER Six The fibrous tunic is comprised of the: - ANSWER Sclera and cornea Fusion occurs: - ANSWER In the brain The aqueous fluid is continually being manufactured by: - ANSWER The ciliary body The ability of the eye to bring objects of varying distances to focus on the retina is known as: - ANSWER Accommodation When accommodation is ...

When discussing thick lenses, the factors which are considered in computing the lens power are: - ANSWER Front curve, back curve, thickness and index Which crown glass bifocal type will have the least chromatic aberration? - ANSWER A "one piece" lens Toric transposition shows: - ANSWER Power in principal meridians Increasing the diameter of a minus power lens always increases its: - ANSWER Weight The optical center of a round segment is located: - ANSWER In the geometric center of ...

What type of visual error is indicated by this Rx? Rx +2.00 -1.00 x 090 a. simple hyperopia b. compound hyperopic astigmatism c. compound myopic astigmatism d. mixed astigmatism - ANSWER b. compound hyperopic astigmatism Increasing the diameter of a minus power lens always increases its: a. vertex power b. center thickness c. weight d. refractive index - ANSWER c. weight The optical center of a round segment is located: a. at the very top of the segment b. in the geometric cente...