Spectacle Practice Test 3 (100 Questions)

1. Question

How is anisometropia recognized in a prescription?

The signs are opposite

Correct Incorrect Correct answer

The pupils have a different size

Correct Incorrect Correct answer

There is a difference of 1.00 D or more between right and left, but the signs are the same

Correct Incorrect Correct answer

Both eyes are myopic

Correct Incorrect Correct answer

2. Question

How many extrinsic muscles work to position the eyeballs?

8

Correct Incorrect Correct answer

4

Correct Incorrect Correct answer

6

Correct Incorrect Correct answer

2

Correct Incorrect Correct answer

3. Question

If you were to put an Rx of -3.00 -2.00 x 90 on an optical cross, what powers would you see?

-3.00/-2.00

Correct Incorrect Correct answer

-3.00/-5.00

Correct Incorrect Correct answer

-2.00/-1.00

Correct Incorrect Correct answer

-2.00/-3.00

Correct Incorrect Correct answer

4. Question

Who adopted the use of glass discs for the eyes?

Leonardo da Vinci

Correct Incorrect Correct answer

Newton

Correct Incorrect Correct answer

The guild of Ayscough opticians

Correct Incorrect Correct answer

The guild of glass blowers in Venice, Italy

Correct Incorrect Correct answer

5. Question

Define what is a low vision aid:

A magnifying glass only

Correct Incorrect Correct answer

Lenticular lenses only

Correct Incorrect Correct answer

Any device that can assist a low vision patient

Correct Incorrect Correct answer

Blue lighting only

Correct Incorrect Correct answer

6. Question

Transpose -2.00 +3.00 x 80 into minus cylinder.

-2.00 -3.00 x 80

Correct Incorrect Correct answer

+1.00 -3.00 x 80

Correct Incorrect Correct answer

-2.00 -3.00 170

Correct Incorrect Correct answer

+1.00 -3.00 x 170

Correct Incorrect Correct answer

7. Question

What is a major problem caused by aniridia?

Too much light enters the eye at all times

Correct Incorrect Correct answer

The lids are floppy

Correct Incorrect Correct answer

The lashes scratch the eye

Correct Incorrect Correct answer

The vision is obscured by the lashes

Correct Incorrect Correct answer

8. Question

Determine the image jump for the following Rx in a FT28
-4.00 -1.00 x 90
-5.00 -2.00 x 180
Add +2.00

2 Prism Diopters

Correct Incorrect Correct answer

1 Prism Diopter

Correct Incorrect Correct answer

3.5 Prism Diopters

Correct Incorrect Correct answer

0.5 Prism Diopter

Correct Incorrect Correct answer

9. Question

Tilting a lens bottom toward the patient’s face is called:

Pantoscopic tilt

Correct Incorrect Correct answer

Periscopic tilt

Correct Incorrect Correct answer

Retroscopic tilt

Correct Incorrect Correct answer

Reactive tilt

Correct Incorrect Correct answer

10. Question

What instrument do opticians commonly use to measure vertex distance?

Lensometer

Correct Incorrect Correct answer

Distometer

Correct Incorrect Correct answer

Pupilometer

Correct Incorrect Correct answer

Phoropter

Correct Incorrect Correct answer

11. Question

What was founded in 1922?

The American National Standards Institute

Correct Incorrect Correct answer

The Braille Institute

Correct Incorrect Correct answer

The American Academy of Optometry

Correct Incorrect Correct answer

The National Treasure of Eyeglass Frames

Correct Incorrect Correct answer

12. Question

Convert the Rx +2.00 -1.50 x 65 Add +2.50 to a reading Rx.

+2.00 – 1.50 x 65

Correct Incorrect Correct answer

+2.50

Correct Incorrect Correct answer

+2.50 – 1.50 x 65

Correct Incorrect Correct answer

+4.50 – 1.50 x 65

Correct Incorrect Correct answer

13. Question

What material is best to be used in safety eyewear?

CR-39

Correct Incorrect Correct answer

Polycarbonate

Correct Incorrect Correct answer

1.60

Correct Incorrect Correct answer

1.67

Correct Incorrect Correct answer

14. Question

Where is the proper location to measure seg height for a segmented tri-focal?

Top of pupil

Correct Incorrect Correct answer

Bottom of the pupil

Correct Incorrect Correct answer

Bottom lid

Correct Incorrect Correct answer

Center of the pupil

Correct Incorrect Correct answer

15. Question

A -6.00 lens is decentered 3 mm out. How much prism is produced?

1.8 Base In

Correct Incorrect Correct answer

1.8 Base Out

Correct Incorrect Correct answer

1.8 Base Up

Correct Incorrect Correct answer

1.8 Base Down

Correct Incorrect Correct answer

16. Question

What is a blanket term to indicate refractive error?

Amblyopia

Correct Incorrect Correct answer

Arrhythmia

Correct Incorrect Correct answer

Ametropia

Correct Incorrect Correct answer

Hypermetropia

Correct Incorrect Correct answer

17. Question

An ocular disease characterized by increased ocular pressure is known as?

Macular Degeneration

Correct Incorrect Correct answer

Anisocoria

Correct Incorrect Correct answer

Glaucoma

Correct Incorrect Correct answer

Cataracts

Correct Incorrect Correct answer

18. Question

In order to view objects in shape detail or to perceive color, the patient must:

Look off to the side

Correct Incorrect Correct answer

Look above the object

Correct Incorrect Correct answer

Look below the object

Correct Incorrect Correct answer

Look directly at the object

Correct Incorrect Correct answer

19. Question

How do you complete the adjustment of adding pantoscopic tilt?

Bend the temples up

Correct Incorrect Correct answer

Bend the temples down

Correct Incorrect Correct answer

Bend the temples out

Correct Incorrect Correct answer

Bend the temples in

Correct Incorrect Correct answer

20. Question

What early type of eyewear were used by indigenous people?

Ruby lenses

Correct Incorrect Correct answer

Monocles

Correct Incorrect Correct answer

Paper temples

Correct Incorrect Correct answer

Goggles

Correct Incorrect Correct answer

21. Question

What holds the crystalline lens in place?

Vitreous humor alone

Correct Incorrect Correct answer

The pupil

Correct Incorrect Correct answer

Suspensory ligaments

Correct Incorrect Correct answer

The eyelids

Correct Incorrect Correct answer

22. Question

This formula will give what result?
n = speed of light in air
speed of light in material

Transmission

Correct Incorrect Correct answer

Diffusion

Correct Incorrect Correct answer

Index of revision

Correct Incorrect Correct answer

Index of refraction

Correct Incorrect Correct answer

23. Question

How much prism is produced when a lens with a Rx +3.00 -3.00 x 180 is decentered 7 mm in?

3.0 prism diopters

Correct Incorrect Correct answer

0.3 prism diopters

Correct Incorrect Correct answer

2.1 prism diopters

Correct Incorrect Correct answer

No prism

Correct Incorrect Correct answer

24. Question

Which of these is a frame part?

ED

Correct Incorrect Correct answer

A

Correct Incorrect Correct answer

Temple

Correct Incorrect Correct answer

Frame Table

Correct Incorrect Correct answer

25. Question

Determine the MBS with the frame measurements of 57/18 with an ED of 61. The patient’s PD is 33/32.5 and is a single vision wearer.

70

Correct Incorrect Correct answer

72.5

Correct Incorrect Correct answer

69.5

Correct Incorrect Correct answer

68

Correct Incorrect Correct answer

26. Question

Which fitting techniques would be more beneficial to an aphakic patient wearing strong cataract lenses?

Aspheric front surface lenses

Correct Incorrect Correct answer

Small eye size frames

Correct Incorrect Correct answer

A short vertex distance

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

27. Question

Convert the following Rx to a computer Rx: -2.00 +3.00 x 180 Add +2.00.

+3.00 – 3.00 x 90

Correct Incorrect Correct answer

Pl + 3.00 x 180

Correct Incorrect Correct answer

+2.00 + 3.00 x 180

Correct Incorrect Correct answer

+2.00 – 3.00 x 90

Correct Incorrect Correct answer

28. Question

The corneal epithelium is:

Easily damaged

Correct Incorrect Correct answer

Highly regenerative

Correct Incorrect Correct answer

Useless

Correct Incorrect Correct answer

Unable to heal after damage

Correct Incorrect Correct answer

29. Question

What is a lensometer used to measure?

Vertex distance

Correct Incorrect Correct answer

Lens power

Correct Incorrect Correct answer

Intraocular Pressure

Correct Incorrect Correct answer

Retinal curvature

Correct Incorrect Correct answer

30. Question

Where does vision occur?

At the optic nerve

Correct Incorrect Correct answer

In the brain

Correct Incorrect Correct answer

In the crystalline lens

Correct Incorrect Correct answer

In the ciliary body

Correct Incorrect Correct answer

31. Question

Which measurement system is used in optical science?

Gradient

Correct Incorrect Correct answer

Metric

Correct Incorrect Correct answer

Subsystem

Correct Incorrect Correct answer

Ancillary

Correct Incorrect Correct answer

32. Question

Tear fluid is:

Consisting of lipid only

Correct Incorrect Correct answer

Continually produced

Correct Incorrect Correct answer

Drained onto the cheeks at all times

Correct Incorrect Correct answer

Produced by the cornea

Correct Incorrect Correct answer

33. Question

What is the total power seen thru the bifocal segment of a lens with the Rx of +2.00 with an Add of +2.50?

+2.00

Correct Incorrect Correct answer

+2.50

Correct Incorrect Correct answer

+3.50

Correct Incorrect Correct answer

+4.50

Correct Incorrect Correct answer

34. Question

What increased with the invention of the Gutenberg Press?

The use of the spectacles by the common man

Correct Incorrect Correct answer

The decline of the Roman Empire

Correct Incorrect Correct answer

The invention of electricity

Correct Incorrect Correct answer

The Battle of Waterloo

Correct Incorrect Correct answer

35. Question

The eyelashes are ultra sensitive to touch and:

Will need occasional trimming

Correct Incorrect Correct answer

Will cause the eyelids to blink if an object gets too close

Correct Incorrect Correct answer

Will fall out completely with exposure to blue light

Correct Incorrect Correct answer

Will need mascara for protection

Correct Incorrect Correct answer

36. Question

A plus lens is used to correct:

Nearsightedness

Correct Incorrect Correct answer

Farsightedness

Correct Incorrect Correct answer

Astigmatism

Correct Incorrect Correct answer

Glaucoma

Correct Incorrect Correct answer

37. Question

What is the index of refraction for crown grass?

1.49

Correct Incorrect Correct answer

1.52

Correct Incorrect Correct answer

1.59

Correct Incorrect Correct answer

1.53

Correct Incorrect Correct answer

38. Question

What adjustment will help relieve tension on a patient’s ears?

Move up the temple bend

Correct Incorrect Correct answer

Move back the temple bend

Correct Incorrect Correct answer

Shorten one temple bend

Correct Incorrect Correct answer

Lengthen one temple bend

Correct Incorrect Correct answer

39. Question

How many inches is approximately 1 meter?

15

Correct Incorrect Correct answer

30

Correct Incorrect Correct answer

40

Correct Incorrect Correct answer

60

Correct Incorrect Correct answer

40. Question

What should a glass blower be concerned with?

The temperature outside of the studio

Correct Incorrect Correct answer

Infrared radiation

Correct Incorrect Correct answer

The color of the glass begin shaped

Correct Incorrect Correct answer

UV radiation only

Correct Incorrect Correct answer

41. Question

Looking 2 mm above the optical center of a lens that reads -2.00 -2.00 x 90 will give you how much prismatic effect?

0.4 Base Down

Correct Incorrect Correct answer

0.4 Base Up

Correct Incorrect Correct answer

0.8 Base Down

Correct Incorrect Correct answer

0.8 Base Up

Correct Incorrect Correct answer

42. Question

Calculate the vertical imbalance for the following rx:
OD: -1.50 -1.00 x 90
OS: -4.00 -1.00 x 90
Add 3.00
At the reading level of 10mm

2.25 prism diopters

Correct Incorrect Correct answer

2.50 prism diopters

Correct Incorrect Correct answer

3.25 prism diopters

Correct Incorrect Correct answer

3.75 prism diopters

Correct Incorrect Correct answer

43. Question

The eyelid consists of many laters. Which of the following is not a layer of the eyelid?

Skin

Correct Incorrect Correct answer

Conjunctiva

Correct Incorrect Correct answer

Levator muscle

Correct Incorrect Correct answer

Iris

Correct Incorrect Correct answer

44. Question

What is a growth that starts on the sclera and grows toward the cornea?

Pinguecula

Correct Incorrect Correct answer

Nevus

Correct Incorrect Correct answer

Pterygium

Correct Incorrect Correct answer

Ptosis

Correct Incorrect Correct answer

45. Question

A lens was ordered with a power -12.00 -1.50 x 130 but comes in reading -11.875 -1.50 x 128. Is the lens within tolerance?

Yes

Correct Incorrect Correct answer

No

Correct Incorrect Correct answer

Not enough information given

Correct Incorrect Correct answer

Tolerance does not matter

Correct Incorrect Correct answer

46. Question

Which frame does poorly in an ultrasonic unit?

A frame made of metal

Correct Incorrect Correct answer

Cellulose propionate

Correct Incorrect Correct answer

Optyl

Correct Incorrect Correct answer

A frame embedded with jewels

Correct Incorrect Correct answer

47. Question

What is the specific gravity for polycarbonate?

1.32

Correct Incorrect Correct answer

1.20

Correct Incorrect Correct answer

1.35

Correct Incorrect Correct answer

3.37

Correct Incorrect Correct answer

48. Question

Conventional slab-off is applied to which lens?

Most plus/least minus

Correct Incorrect Correct answer

Most minus/least plus

Correct Incorrect Correct answer

Left lens

Correct Incorrect Correct answer

Right lens

Correct Incorrect Correct answer

49. Question

How is binocular PPD measured?

The distance from the center of the lens to the upper bevel

Correct Incorrect Correct answer

The distance from the OC of the right lens to the OC of the left lens

Correct Incorrect Correct answer

The distance between the center of the right pupil to the center of the left pupil

Correct Incorrect Correct answer

The right distance must be measured separate from the left

Correct Incorrect Correct answer

50. Question

The liner in the rim part of a metal nylon cord frame is called:

Figure 8 liner

Correct Incorrect Correct answer

No liner is present

Correct Incorrect Correct answer

Bevel

Correct Incorrect Correct answer

Eyewire

Correct Incorrect Correct answer

51. Question

How much pantoscopic tilt should be applied to most frames for good cosmetics?

2 degrees

Correct Incorrect Correct answer

8 to 10 degrees

Correct Incorrect Correct answer

12 to 14 degrees

Correct Incorrect Correct answer

Always 20 degrees

Correct Incorrect Correct answer

52. Question

What is likely to occur when the optician is able to discover and fulfill multiple visual needs?

The lab will give a kickback

Correct Incorrect Correct answer

This will help the optician to demonstrate genuine care for the patient’s needs

Correct Incorrect Correct answer

The measurements will be overlooked

Correct Incorrect Correct answer

The patient will just order bifocals

Correct Incorrect Correct answer

53. Question

Who needs eyewear?

Adults and seniors only

Correct Incorrect Correct answer

Children only

Correct Incorrect Correct answer

People of all ages

Correct Incorrect Correct answer

Only the people in the neighborhood

Correct Incorrect Correct answer

54. Question

What is true about lifestyle selling?

It will replace the prescription

Correct Incorrect Correct answer

It is a concept

Correct Incorrect Correct answer

It is an unknown idea

Correct Incorrect Correct answer

It will be a hindrance to the optician

Correct Incorrect Correct answer

55. Question

What is known as the “white” of the eye?

The macula

Correct Incorrect Correct answer

The retina

Correct Incorrect Correct answer

The sclera

Correct Incorrect Correct answer

The choroid

Correct Incorrect Correct answer

56. Question

Which statement is true?

An optician only sells lenses

Correct Incorrect Correct answer

An optician works in the healthcare field

Correct Incorrect Correct answer

An optician only sells contact lenses

Correct Incorrect Correct answer

An optician is nonessential

Correct Incorrect Correct answer

57. Question

A HIPAA violation can be:

Ignored

Correct Incorrect Correct answer

Criminal only

Correct Incorrect Correct answer

Civil only

Correct Incorrect Correct answer

Both criminal and civil penalties can apply

Correct Incorrect Correct answer

58. Question

The add power of a multifocal lens of +2.50 can vary by how much?

4%

Correct Incorrect Correct answer

Any amount up to and including +/-0.75

Correct Incorrect Correct answer

No tolerance

Correct Incorrect Correct answer

+/- 0.12 D

Correct Incorrect Correct answer

59. Question

Who was the first to determine the normal visual field?

Daniel Thomas

Correct Incorrect Correct answer

Thomas Young

Correct Incorrect Correct answer

Eugene Nenet

Correct Incorrect Correct answer

August Occhi

Correct Incorrect Correct answer

60. Question

When was the American Society for Testing Materials established?

1915

Correct Incorrect Correct answer

1971

Correct Incorrect Correct answer

1898

Correct Incorrect Correct answer

2001

Correct Incorrect Correct answer

61. Question

A benefit of an all-in-one machine is:

Downloadable templates for drilling of lenses for rimless eyeglasses

Correct Incorrect Correct answer

The hole angle will always be 90°

Correct Incorrect Correct answer

The hole can totally be reversed after the fact

Correct Incorrect Correct answer

The hole can be reduced after the fact

Correct Incorrect Correct answer

62. Question

A frame measures A=50, B=45, ED = 50, PPD = 61, Seg Height = 21. For this lens, how far below the datum line is the seg drop?

2 mm

Correct Incorrect Correct answer

3 mm

Correct Incorrect Correct answer

4 mm

Correct Incorrect Correct answer

1.5 mm

Correct Incorrect Correct answer

63. Question

A double D lens should have a minimum of how many usable mm at the top?

45

Correct Incorrect Correct answer

21

Correct Incorrect Correct answer

5

Correct Incorrect Correct answer

9

Correct Incorrect Correct answer

64. Question

Which multifocal has the least amount of image jump?

ST35

Correct Incorrect Correct answer

Round 22

Correct Incorrect Correct answer

Ultex

Correct Incorrect Correct answer

Executive

Correct Incorrect Correct answer

65. Question

What is the outermost layer of the eyeball?

Tears

Correct Incorrect Correct answer

The limbus

Correct Incorrect Correct answer

The choroid

Correct Incorrect Correct answer

Conjunctiva

Correct Incorrect Correct answer

66. Question

Which wavelengths most pleasing to the eye?

300 – 600 nanometers

Correct Incorrect Correct answer

400 – 750 nanometers

Correct Incorrect Correct answer

200 – 400 nanometers

Correct Incorrect Correct answer

500 – 800 nanometers

Correct Incorrect Correct answer

67. Question

A black surface will:

Blind the patient

Correct Incorrect Correct answer

Reflect ROYGBIV

Correct Incorrect Correct answer

Absorb all light

Correct Incorrect Correct answer

Get too hot to touch

Correct Incorrect Correct answer

68. Question

Temple tips are:

Inflexible

Correct Incorrect Correct answer

Usually replaceable

Correct Incorrect Correct answer

Always tortoise

Correct Incorrect Correct answer

Brown

Correct Incorrect Correct answer

69. Question

A farsighted patient wears her glasses at the tip of her nose will result in:

Base down prism effect

Correct Incorrect Correct answer

Base up prism effect

Correct Incorrect Correct answer

Base in prism effect

Correct Incorrect Correct answer

No effect

Correct Incorrect Correct answer

70. Question

How strong can glare be?

100% stronger than ambient light

Correct Incorrect Correct answer

80% stronger than ambient light

Correct Incorrect Correct answer

7 to 10 times stronger than ambient light

Correct Incorrect Correct answer

25 times stronger than ambient light

Correct Incorrect Correct answer

71. Question

The power of the add is:

Determined by the size of the pupil

Correct Incorrect Correct answer

Always minus

Correct Incorrect Correct answer

Always plus

Correct Incorrect Correct answer

Always plano

Correct Incorrect Correct answer

72. Question

What is a key difference between an optometrist and an ophthalmologist?

Optometrists go to medical school, ophthalmologists do not

Correct Incorrect Correct answer

Ophthalmologists go to medical school, optometrists do not

Correct Incorrect Correct answer

Optometrists always sell glasses as well, ophthalmologists do not

Correct Incorrect Correct answer

Ophthalmologists always sell glasses as well, optometrists do not

Correct Incorrect Correct answer

73. Question

If a lens has a +4.00 front curve and -6.00 back curve, what is the power of the lens?

+4.00

Correct Incorrect Correct answer

-6.00

Correct Incorrect Correct answer

-2.00

Correct Incorrect Correct answer

-3.00

Correct Incorrect Correct answer

74. Question

What is a series of prisms stacked upon one another?

Base in prism

Correct Incorrect Correct answer

Jerry prism

Correct Incorrect Correct answer

Fresnel prism

Correct Incorrect Correct answer

Primary prism

Correct Incorrect Correct answer

75. Question

Which profession will benefit the most from wearing polarized lenses?

A librarian

Correct Incorrect Correct answer

A truck driver

Correct Incorrect Correct answer

A teacher

Correct Incorrect Correct answer

An accountant

Correct Incorrect Correct answer

76. Question

How dark is a tint that is categorized 4?

Light

Correct Incorrect Correct answer

Medium

Correct Incorrect Correct answer

Dark

Correct Incorrect Correct answer

Very dark

Correct Incorrect Correct answer

77. Question

What can the CRP measure?

Vertical orientation of a lens

Correct Incorrect Correct answer

Patient MRP

Correct Incorrect Correct answer

Optical curves

Correct Incorrect Correct answer

Patient PPD

Correct Incorrect Correct answer

78. Question

Can polarized lenses be colored?

Yes, they are available in a variety of colors

Correct Incorrect Correct answer

No, only one color is available

Correct Incorrect Correct answer

No, it ruins the striation

Correct Incorrect Correct answer

No, they are always clear

Correct Incorrect Correct answer

79. Question

Which tint helps to enhance target practice:

Pink

Correct Incorrect Correct answer

Yellow

Correct Incorrect Correct answer

Dark brown

Correct Incorrect Correct answer

Rose

Correct Incorrect Correct answer

80. Question

How is the round face described?

Narrower at the forehead

Correct Incorrect Correct answer

Full with equal height and width

Correct Incorrect Correct answer

Has a prominent jaw

Correct Incorrect Correct answer

Is quite angular

Correct Incorrect Correct answer

81. Question

The junction between the upper and lower eyelids is called:

Limbus

Correct Incorrect Correct answer

Canthus

Correct Incorrect Correct answer

Sclera

Correct Incorrect Correct answer

Pupil

Correct Incorrect Correct answer

82. Question

What is the approximate thickness of the eyelid when measuring vertex distance?

10 mm

Correct Incorrect Correct answer

0.10 mm

Correct Incorrect Correct answer

1 mm

Correct Incorrect Correct answer

5 mm

Correct Incorrect Correct answer

83. Question

What is wavelength?

A measurement of ROYGBIV

Correct Incorrect Correct answer

A distance measurement

Correct Incorrect Correct answer

A custom measurement

Correct Incorrect Correct answer

A thickness measurement

Correct Incorrect Correct answer

84. Question

How is a monocular PD usually recorded?

It is always 63 mm

Correct Incorrect Correct answer

R/L such as 34/33

Correct Incorrect Correct answer

Up then down

Correct Incorrect Correct answer

D/N

Correct Incorrect Correct answer

85. Question

A condition where there is a definite turning in is called:

Esophoria

Correct Incorrect Correct answer

Esotropia

Correct Incorrect Correct answer

Exophoria

Correct Incorrect Correct answer

Exotropia

Correct Incorrect Correct answer

86. Question

Which of these conditions is associated with exposure to UV?

Glaucoma

Correct Incorrect Correct answer

Myopia

Correct Incorrect Correct answer

Welder's burn

Correct Incorrect Correct answer

Hyperopia

Correct Incorrect Correct answer

87. Question

Photochromic lenses contain an ingredient that darkens when exposed to:

Wind

Correct Incorrect Correct answer

UV light

Correct Incorrect Correct answer

Stress

Correct Incorrect Correct answer

Rain

Correct Incorrect Correct answer

88. Question

Receptors in the retina respond to:

Light that lies in the cosmic range

Correct Incorrect Correct answer

Light that lies in near the middle of the electromagnetic spectrum

Correct Incorrect Correct answer

The part of the electromagnetic spectrum considered cosmic rays

Correct Incorrect Correct answer

Receptors are unresponsive

Correct Incorrect Correct answer

89. Question

A progressive sphere meridian power can vary by ± 0.16 D if it falls within this range:

-8.00 D to +8.00 D

Correct Incorrect Correct answer

-10.00 D to -12.00 D

Correct Incorrect Correct answer

-9.00 D to +9.00 D

Correct Incorrect Correct answer

Plano to -20.00 D

Correct Incorrect Correct answer

90. Question

What is considered an extremely dangerous form of UV?

UVP

Correct Incorrect Correct answer

UVC

Correct Incorrect Correct answer

UVA

Correct Incorrect Correct answer

UVB

Correct Incorrect Correct answer

91. Question

How can a frame be measured?

With a yardstick

Correct Incorrect Correct answer

Using the datum system

Correct Incorrect Correct answer

Using the pugilism system

Correct Incorrect Correct answer

With a tape measure only

Correct Incorrect Correct answer

92. Question

What is true of a nylon mounted, semi-rimless design?

It will never break

Correct Incorrect Correct answer

It utilizes a cord and figure 8 liner for mounting

Correct Incorrect Correct answer

It is extremely expensive

Correct Incorrect Correct answer

It will need repurposing once a month

Correct Incorrect Correct answer

93. Question

The Ultex bifocal had:

A small, round segment

Correct Incorrect Correct answer

A large reading area

Correct Incorrect Correct answer

A FT bifocal near the bottom of the lens

Correct Incorrect Correct answer

Little or no image jump

Correct Incorrect Correct answer

94. Question

How will excessive base up prism affect a patient?

Make them feel like they are walking uphill

Correct Incorrect Correct answer

Make them feel like they are walking downhill

Correct Incorrect Correct answer

Make them feel like they are walking sideways

Correct Incorrect Correct answer

Make the walls look slanted

Correct Incorrect Correct answer

95. Question

A patient walks in upset about their glasses. How do you handle the patient?

Tell them they need to wear their glasses until they like them

Correct Incorrect Correct answer

Explain to the you can not help them

Correct Incorrect Correct answer

Ask then to explain what concerns them so you can better serve them

Correct Incorrect Correct answer

Ignore them

Correct Incorrect Correct answer

96. Question

Which index of refraction is not considered high index material?

1.67

Correct Incorrect Correct answer

1.74

Correct Incorrect Correct answer

1.59

Correct Incorrect Correct answer

1.60

Correct Incorrect Correct answer

97. Question

A 2 prism diopter lens held 6 meters away will cause how much of a shift?

10 cm

Correct Incorrect Correct answer

12 cm

Correct Incorrect Correct answer

14 cm

Correct Incorrect Correct answer

16 cm

Correct Incorrect Correct answer

98. Question

If a lens has a front curve of +4.00 and a back power of -2.00 what is the total power of the lens?

+1.00

Correct Incorrect Correct answer

+2.00

Correct Incorrect Correct answer

-2.00

Correct Incorrect Correct answer

-1.00

Correct Incorrect Correct answer

99. Question

If you look below the optical center of a plus lens, what prism will be produced?

Base down

Correct Incorrect Correct answer

Base up

Correct Incorrect Correct answer

Base in

Correct Incorrect Correct answer

Base out

Correct Incorrect Correct answer

100. Question

If a Patient has a PD of 68 wearing a 53/15 frame how much decentration will be needed?

No decentration

Correct Incorrect Correct answer

1 mm

Correct Incorrect Correct answer

2 mm

Correct Incorrect Correct answer

3 mm

Correct Incorrect Correct answer

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