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ABO Bundled Exams /Graded A+ / All that you need is HERE!!!
ABO Bundled Exams /Graded A+ / All that you need is HERE!!!
[Show more]ABO Bundled Exams /Graded A+ / All that you need is HERE!!!
[Show more]Single Vision - CORRECT ANS corrects for one distance 
Multifocal - CORRECT ANS Corrects with two or more prescriptions (or 'powers') 
Bifocal - CORRECT ANS lens having two focus strengths 
Trifocal - CORRECT ANS pertaining to having three focus strengths 
Calculating Prismatic Effects - CORRECT A...
Preview 2 out of 5 pages
Add to cartSingle Vision - CORRECT ANS corrects for one distance 
Multifocal - CORRECT ANS Corrects with two or more prescriptions (or 'powers') 
Bifocal - CORRECT ANS lens having two focus strengths 
Trifocal - CORRECT ANS pertaining to having three focus strengths 
Calculating Prismatic Effects - CORRECT A...
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 - CORRECT ANS d. front curve, 
back c...
Preview 4 out of 59 pages
Add to cartWhen 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 - CORRECT ANS d. front curve, 
back c...
Change a bifocal Rx to a single vision Rx - CORRECT ANS 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 - CORRECT ANS There is a difference of 3 diopters between both 
eyes; when the vision of the eyes...
Preview 2 out of 12 pages
Add to cartChange a bifocal Rx to a single vision Rx - CORRECT ANS 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 - CORRECT ANS There is a difference of 3 diopters between both 
eyes; when the vision of the eyes...
If the wearer complains of the bifocal line being somewhat in his way when driving, 
the problem may be alleviated by decreasing the distance between pads. 
True or False - CORRECT ANS False 
If the wearer complains that the glasses feel snug but still slip down the nose, one 
likely cause is that...
Preview 2 out of 14 pages
Add to cartIf the wearer complains of the bifocal line being somewhat in his way when driving, 
the problem may be alleviated by decreasing the distance between pads. 
True or False - CORRECT ANS False 
If the wearer complains that the glasses feel snug but still slip down the nose, one 
likely cause is that...
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 - CORRECT ANS 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" measuremen...
Preview 3 out of 17 pages
Add to cartTo 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 - CORRECT ANS 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" measuremen...
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