Plus lenses are - Study guides, Class notes & Summaries

c. 5 mm from the top of the segment d. at the very bottom of the segment - answerb. in the geometric center of the segment The base curve of any multifocal lens is found on the surface containing the: a. cross curve b. cylinder surface c. segment d. ocular curve - answerc. segment Normal slab-off (bicentric grind) is ground on the lens whose vertical meridian has the: a. strongest curves b. most plus power c. least plus power d. least minus power - answerc. least plus power The refra...

ABO Practice Test Exam Questions And Answers (Updated And Verified) When discussing thick lenses, the factors which are considered in computing the lens power are: a. front curve, thickness and index b. back curve, thickness and index c. front curve, back curve and thickness d. front curve, back curve, thickness and index - answerd. front curve, back curve, thickness and index Toric transposition shows: a. lens thickness b. power in principal meridians c. the power of the ADD d. the ...

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...

ABO EXAM PRE-TEST 2024 150 mm -Answer-When ordering a six inch temple, its corresponding millimeter value is which of the following? A. 135 mm B. 140 mm C. 145 mm D. 150 mm 500 mm -Answer-What is the focal length of a 2 diopter lens? A. 500 cm B. 39.37 inches C. 500 mm D. 2 meters Nanometers -Answer-Wavelengths are measured in A. Meters B. Decimeters C. Centimeters D. Nanometers UVC -Answer-Which of the following has the shortest and therefore most harmful wavelength? A. UVC ...

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...

optic zone - ANSWER the central portion of a contact lens which contains the refractive power and generally corresponds to the central corneal cap posterior apecal radius - ANSWER this term is generally used in reference to spin-cast soft lenses. the curvature of the posterior surface of the lens changes with the refractive power. the radius of curvature is measured at the apex of the posterior surface. steeper base curve - ANSWER occurs when the posterior radius of curvature is decreased ...

ABO ADVANCE QUESTIONS AND ANSWERS >> 2024 VERSION 100% ACCURATE The amount of reflection of each surface of CR-39 lenses is approximately - 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 - D. tint and lens transmission The denser the tint in a lens A. the greater the transmission of light through the l...

ABO Practice Test (Questions and Answers 100% correct) When discussing thick lenses, the factors which are considered in computing the lens power are: a. front curve, thickness and index b. back curve, thickness and index c. front curve, back curve and thickness d. front curve, back curve, thickness and index - Answer ️️ -d. front curve, back curve, thickness and index Toric transposition shows: a. lens thickness b. power in principal meridians c. the power of the ADD d. the lens ...

ABO Advance Questions With Complete Solutions. The amount of reflection of each surface of CR-39 lenses is approximately - correct answer. 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 - correct answer. D. tint and lens transmission The denser the tint in a lens A. the greater the transmission of ligh...

ABO Practice Test Exam Questions And Answers (Updated And Verified) When discussing thick lenses, the factors which are considered in computing the lens power are: a. front curve, thickness and index b. back curve, thickness and index c. front curve, back curve and thickness d. front curve, back curve, thickness and index - answerd. front curve, back curve, thickness and index Toric transposition shows: a. lens thickness b. power in principal meridians c. the power of the ADD d. the ...