ODP Spectacle Practice Test 2 Graded A+
A balck surface will: - ANSWER-Absorb all light
A condition where there is a definite turning in is called: - ANSWER-Esotropia
A farsighted patient wears her glasses at the tip of her nose will result in: - ANSWER-
Base down prism effect
A patient comes in complaining they have to lower their head to drive in their
progressives. What is not an example of handling the problem? - ANSWER-Remake the
lenses raising the segmant
A plus lens is used to correct what condition? - ANSWER-Hyperopia
Approximately how strong is the crystalline lens? - ANSWER-17 diopters
Calculate the decentration for a patient with a PD of 67 wearing a frame that measures
55/19. - ANSWER-3.5 mm in
Convert the following RX to a computer RX: -2.00 + 3.00 x 180 Add +2.00 - ANSWER-
+2.00 -3.00 x 90
Determine the MBS with the following measurements of 60/21 with an ED of 63. The
patients PD is 34/35. - ANSWER-60 and 76 are incorrect
Every millimeter of tilt on a frame is approximately how many degrees? - ANSWER-2
Glass lenses weigh about how much more than plastic lenses? - ANSWER-50%
Hoe many inches is approximately 1 meter? - ANSWER-40
How can the effective power of an ophthalmic lens be changed after it is made? -
ANSWER-Changing the vertex distance
How do you want to edge resin lens? - ANSWER-Wet only
How is a bifocal segment usually read in a lensometer? - ANSWER-BVP
How is binocular PPD measures? - ANSWER-The distance between the center of the
right pupil to the center of the left pupil.
How is monocular PD usually recorded? - ANSWER-R/L such as 34/33
, How long must you keep a patient's records on impact resistant lenses? - ANSWER-3
years
How many inches away from the eye would be considered reading or near distance? -
ANSWER-14 to 18 inces
If a lens has a +4.00 front curve and -6.00 back curve, what is the power of the lens? -
ANSWER--2.00
If expresses as two prisms representing a lens, how is a minus lens formed? -
ANSWER-2 prisms placed apex to apex
If the frame is bigger than the patient's PD, what should be done? - ANSWER-Move the
lens in during decentration.
If the right temple is angled out, which tool would you use to adjust? - ANSWER-Double
sided pliers
If you were to put a lens with a RX of -3.00 -2.00 x 90 on an optical cross, what powers
would you use? - ANSWER--3.00/-5.00
Images are carried from the retina to the brain along: - ANSWER-Optic nerve
In the boxing system, which measurement is represented with an A measurement? -
ANSWER-Horizontal
In the polariscope a heat treaded glass lens will display a pattern resembling: -
ANSWER-Cross
In what broad category is a progressive? - ANSWER-Multifocal
Is a patient with a Distance PD of 8 and a Near PD of 64, what is the inset? - ANSWER-
4 and 3 are incorrect
Looking through a -7.00 lens 4 mm below the ocular center will create how much prism
and in what direction? - ANSWER-2.8 Base Out
Name a source of free advertisement: - ANSWER-Word of mouth
Slab off is applied to which lens? - ANSWER-Most minus/least plus
Sunburns are associated with which type of UV radiation? - ANSWER-UVB
The ability for the eye to change the focal length of the lens is called: - ANSWER-
Accommodation
A balck surface will: - ANSWER-Absorb all light
A condition where there is a definite turning in is called: - ANSWER-Esotropia
A farsighted patient wears her glasses at the tip of her nose will result in: - ANSWER-
Base down prism effect
A patient comes in complaining they have to lower their head to drive in their
progressives. What is not an example of handling the problem? - ANSWER-Remake the
lenses raising the segmant
A plus lens is used to correct what condition? - ANSWER-Hyperopia
Approximately how strong is the crystalline lens? - ANSWER-17 diopters
Calculate the decentration for a patient with a PD of 67 wearing a frame that measures
55/19. - ANSWER-3.5 mm in
Convert the following RX to a computer RX: -2.00 + 3.00 x 180 Add +2.00 - ANSWER-
+2.00 -3.00 x 90
Determine the MBS with the following measurements of 60/21 with an ED of 63. The
patients PD is 34/35. - ANSWER-60 and 76 are incorrect
Every millimeter of tilt on a frame is approximately how many degrees? - ANSWER-2
Glass lenses weigh about how much more than plastic lenses? - ANSWER-50%
Hoe many inches is approximately 1 meter? - ANSWER-40
How can the effective power of an ophthalmic lens be changed after it is made? -
ANSWER-Changing the vertex distance
How do you want to edge resin lens? - ANSWER-Wet only
How is a bifocal segment usually read in a lensometer? - ANSWER-BVP
How is binocular PPD measures? - ANSWER-The distance between the center of the
right pupil to the center of the left pupil.
How is monocular PD usually recorded? - ANSWER-R/L such as 34/33
, How long must you keep a patient's records on impact resistant lenses? - ANSWER-3
years
How many inches away from the eye would be considered reading or near distance? -
ANSWER-14 to 18 inces
If a lens has a +4.00 front curve and -6.00 back curve, what is the power of the lens? -
ANSWER--2.00
If expresses as two prisms representing a lens, how is a minus lens formed? -
ANSWER-2 prisms placed apex to apex
If the frame is bigger than the patient's PD, what should be done? - ANSWER-Move the
lens in during decentration.
If the right temple is angled out, which tool would you use to adjust? - ANSWER-Double
sided pliers
If you were to put a lens with a RX of -3.00 -2.00 x 90 on an optical cross, what powers
would you use? - ANSWER--3.00/-5.00
Images are carried from the retina to the brain along: - ANSWER-Optic nerve
In the boxing system, which measurement is represented with an A measurement? -
ANSWER-Horizontal
In the polariscope a heat treaded glass lens will display a pattern resembling: -
ANSWER-Cross
In what broad category is a progressive? - ANSWER-Multifocal
Is a patient with a Distance PD of 8 and a Near PD of 64, what is the inset? - ANSWER-
4 and 3 are incorrect
Looking through a -7.00 lens 4 mm below the ocular center will create how much prism
and in what direction? - ANSWER-2.8 Base Out
Name a source of free advertisement: - ANSWER-Word of mouth
Slab off is applied to which lens? - ANSWER-Most minus/least plus
Sunburns are associated with which type of UV radiation? - ANSWER-UVB
The ability for the eye to change the focal length of the lens is called: - ANSWER-
Accommodation
