OCPP BOOK 2 TEST UPDATED ACTUAL Questions and CORRECT Answers
1. How much accommodative ability does the average 15.00D
person have at birth?
2. Objects appear to focus in front of a lens. minus
3. When a ray of light leaves crown glass, its angle with -4 degrees
the normal to the surface is only 8 degrees. If it has
an angle of refraction of 12 degrees, what is the
angle of deviation when it leaves the glass?
4. which frame material begins as granules that are Propionate
heated until liquid and then injection-molded to the
desired frame?
5. If light of about 550 millimicrons reaches your eyes, green
you will have a sensation of seeing ?
6. If a glass rod is surrounded by another medium partly visible depending on
of the same index of refraction, then the rod will the viewing angle
be
7. Plus lenses show against motion
8. Progressive power can change from distance to near the lens has a short progres-
zones in either a rapid or slow fashion. If it changes sive corridor
in a rapid fashion, then which of the following does
not occur?
9. the index of refraction of cr-39 is 1.49
10. this aberration results in a slight blurring of the im- spherical
age due to the fact that a lens will have the tendency
to focus light rays from the periphery sooner than
, the rays passing through the central portion of the
lens
11. the fitting cross for a general purpose progressive If the progressive lens is used
addition lens would be fitted higher than specified to inhibit accommodavtive es-
by the lens manufacturer in which of the following otropia in children
cases?
12. In a plus lens with aspheric design the surface cur- flattens from center to edge
vature
13. what i the dioptric power of a lens with a foal length +30.00D
of -33.3mm?
14. when children are fitted with progressive addition 4mm above the pupil center
lenses,yet still have the ability to accommodate just
as other children do, the fitting cross is usually set
15. it makes sense to utilize aspheric lenses in many will create a more cosmetically
dispensing situations since they appealing lens
16. although all of the factors listed below are important fitting accuracy
i the fitting of progressive lenses, which factor has
the most influence on wearer satisfaction?
17. visible light is in the range of wave lengths approxi- 380 to 760 nanometers
mately:
18. which progressive addition lens is specifically de- soft design
signed for frames with a narrow B dimension?
19. 1.86
2/9
1. How much accommodative ability does the average 15.00D
person have at birth?
2. Objects appear to focus in front of a lens. minus
3. When a ray of light leaves crown glass, its angle with -4 degrees
the normal to the surface is only 8 degrees. If it has
an angle of refraction of 12 degrees, what is the
angle of deviation when it leaves the glass?
4. which frame material begins as granules that are Propionate
heated until liquid and then injection-molded to the
desired frame?
5. If light of about 550 millimicrons reaches your eyes, green
you will have a sensation of seeing ?
6. If a glass rod is surrounded by another medium partly visible depending on
of the same index of refraction, then the rod will the viewing angle
be
7. Plus lenses show against motion
8. Progressive power can change from distance to near the lens has a short progres-
zones in either a rapid or slow fashion. If it changes sive corridor
in a rapid fashion, then which of the following does
not occur?
9. the index of refraction of cr-39 is 1.49
10. this aberration results in a slight blurring of the im- spherical
age due to the fact that a lens will have the tendency
to focus light rays from the periphery sooner than
, the rays passing through the central portion of the
lens
11. the fitting cross for a general purpose progressive If the progressive lens is used
addition lens would be fitted higher than specified to inhibit accommodavtive es-
by the lens manufacturer in which of the following otropia in children
cases?
12. In a plus lens with aspheric design the surface cur- flattens from center to edge
vature
13. what i the dioptric power of a lens with a foal length +30.00D
of -33.3mm?
14. when children are fitted with progressive addition 4mm above the pupil center
lenses,yet still have the ability to accommodate just
as other children do, the fitting cross is usually set
15. it makes sense to utilize aspheric lenses in many will create a more cosmetically
dispensing situations since they appealing lens
16. although all of the factors listed below are important fitting accuracy
i the fitting of progressive lenses, which factor has
the most influence on wearer satisfaction?
17. visible light is in the range of wave lengths approxi- 380 to 760 nanometers
mately:
18. which progressive addition lens is specifically de- soft design
signed for frames with a narrow B dimension?
19. 1.86
2/9
