CPO Flashcards
(98 cards)
0
Q
The width of the frame should be approximately equal to ________?
A. The length of the patient’s face
B. The width of the patient’s face
C. The circumference of the patient’s head
D. Twice the size of the pupillary distance
A
B. The width of the patient’s face
1
Q
What is the name given to the area of the retina responsible for seeing detail? A. Macula B.Choroids C. Optic nerve D. Optic disc
A
A. Macula
2
Q
What is the interior portion of the eyeball that may be seen ion ophthalmoscopy? A. Cornea B. Iris C. Fundus D. Lids and lashes
A
C. Fundus
3
Q
What does the prescription strength of the contact lens determine? A.Base curve B. Radius C. Lens power D. Diameter
A
C. Lens power
4
Q
What can be used to facilitate to bending of frames? A. Salt pan B. Frame warmer C. Both a and b D. None of the above
A
C. Both a and b
5
Q
What are used to treat dry eyes? A. Artificial tears B. Lubricants C. Anesthetic Drugs D. A and B
A
D. A and B
6
Q
Glaucoma causes damage to the eye.
A. true
B. False
A
A. True
7
Q
What is the purpose of HIPPA?
A. to improve the portability and continuity of health insurance coverage
B. To improve access to long-term care services and coverage
C. to simplify administrative care
D. All of the above
A
D. All the above
8
Q
What term best describes any surgical technique or procedure that may be used to help the eye bend light? A. AK -astigmatic keratotomy B. Broad beam laser C. Refractive surgery D. LASIK
A
C. Refractive surgery
9
Q
What does a pachymeter measure? A. Pressure in the eye B. Thickness of the cornea C. Refractive power of the eye D. Curvature of the cornea
A
B. Thickness of the cornea
10
Q
What is the measure of the finest detail the eye may detect? A. Keratometry B. Visual field C. Visual Acuity D. Retinoscopy
A
C. Visual Acuity
11
Q
The system for sorting and assigning priorities for medical treatment based on the urgency of the systems is called? A. Categorizing B. Triage C. making appointments D. Problem solving
A
B. Triage
12
Q
What provides the major refractive power of the eye? A. Cornea B. Crystalline lens C. Retina D. Optic Nerve
A
A. Cornea
13
Q
What is the portion of the optic nerve that is formed by the meeting of all retinal nerve fibers called? A. optic cup B. Fovea Centralis C. Optic Disc D. Mascula
A
C. optic disc
14
Q
Replacement of the crystalline les with an intraocular lens creates a condition called pseudophakia.
A. True
B. False
A
A. True
15
Q
What is the distance between the center of the pupil of each eye called? A. Interpupillary distance (PD) B. Monocular distance C. Binocular height D. Pupilometer distance
A
A. Interpupillary distance (PD)
16
Q
Plus lenses are also called convex lenses.
A. True
B. False
A
A. True
17
Q
What chart is most often used to measure acuity at distance? A. Swollen chart B. Shellen chart C. Snellen chart D. Shelton acuity chart
A
C. Snellen chart
18
Q
Which of the following may not be a triage question?
A. What kind of problem are you having?
B. What medications are you on?
C. How long have the symptoms been going on?
D. Does it affect your vision?
A
B. What medicationd are you on?
19
Q
What is the biomicroscope also known as? A. Lensometer B. Tonometer C. Slit lamp D. Phoropter
A
C. Slit lamp
20
Q
How many orbital bones are there? A. Two B. Three C. Four D. Seven
A
D. seven
21
Q
Diabetic Patients may have vision loss due to diabetic retinopathy.
A. True
B. False
A
A. True
22
Q
The first and most important step in frame selection is that the patient should be happy with their choice.
A. True
B. False
A
B. False
23
Q
What does O. D. stand for? A. Oculus diopter B. Oculus diameter C. Oculus diagnosis D. Oculus dexter
A
D. Oculus Dexter
24
What two instruments are used to test patient blood pressure?
A. Sphygmomanographer and a stethoscope
B. Sphygmomanometer and a stethoscope
C. Stethoscope and a watch with a second hand
D. Manual sphygmomanometer and a watch with a second hand
B, Sphygmomanometer and a stethoscope
25
```
What supplies most of the tears to the eye?
A. Lacrimal duct
B. Lacrinal gland
C. Meibomian gland
D. Nasolacrimal duct
```
B. Lacrimal gland
26
```
What is the fluid pressure maintained in the eye by the aqueous humor called?
A. Vitreous pressure
B. Tonometry
C. Intraocular pressure
D. Glaucoma
```
C. Intraocular pressure
27
```
What uses the patients' responses to determine the best lens correction?
A. Objective refraction
B. Subjective refraction
C. Autofraction
D. Retinoscopy
```
B. Subjective refraction
28
What is the anterior chamber?
A. A clear, watery fluid produced by the ciliary body
B. Clear transparent tissue located on the very front of the eye
C. The are inside the eye behind the cornea and in front of the lens
D. The are located inside the eye behind the iris and in front of the lens
C. The area inside the eye behind the cornea and in front of the lens
29
```
Which of the following is true for the amount on prism diopter will bend a ray of light?
A. 1 cm for every one foot of distance
B. 1 cm for every one meter of distance
C. 10 cm for every one meter of distance
D. 10 m for every 10 meters of distance
```
B. 1 cm for every one meter of distance
30
```
What does a lensometer measure?
A. The thickness of the lenses
B. The thickness of the cornea
C. Back vertex power which includes sphere and cylinder power
D. It determines the contact lens design
```
C. back vertex power which includes sphere and cylinder power
31
```
What is the name of the light sensitive part of the eye?
A. Sclera
B. Optic Nerve
C. Retina
D. Pupil
```
C. Retina
32
```
What is PHI?
A. Physicians health issues
B. Personal health information
C. Protected health information
D. None of the above
```
C. Protected Health information
33
```
What is the name given o the angle the temple makes with the frame front when the bottom of the eyewire is closer to the cheeks than the top is to the eyebrow?
A. Retroscopic tilt
B. Pantoscopic tilt
C. Vertex tilt
D. Face form
```
B. Pantoscopic tilt
34
```
What is the distance from the back surface of the lens to the front of the eye?
A. Pupillary distance
B. vertex distance
C. Face form
D. Pantoscopic distance
```
B. Vertex distance
35
```
What does PMMA stand for?
A. Perimethylmethactrylate
B. Polymyalgicacrylate
C. Posteriormethamethylacitate
D. Polymethylmethacrylate
```
D. Polymethylmethacrylate
36
```
Which of the following is a topical anesthetic?
A. Cyclopentolate
B. Phenylephrine
C. Proparacaine
D. Homatropine
```
C. Proparacaie
37
The part of the retina responsible for sharp, clear vision is the macula.
A. True
B. False
A. True
38
What is the Retroscopic Angle or tilt?
A. When the bottom of the glass is closer to the cheeks
B. When both lenses rest an equal distance from the eye
C. The "B" measurement of the lens
D. The name given to the angle the temple makes with the frame front when the bottom eye wire may be positioned away from the check
D. The name given to the angle the temple makes with the frame front when the bottom eye wire may be positioned away from the check
39
```
An objective measure of the refractive power of the eye is called.
A. Retioscopy
B. Lensometry
C. Pachymetry
D. none of the above
```
A. retinoscopy
40
```
Astigmatism can be positioned anywhere from 1 to 180 degrees. This position is called the _______ and is the last number listed in the patient's eye glass or contact lens prescription.
A. Diopter
B. Optic numerator
C. Power
D. Axis
```
D. Axis
41
```
What is the smallest unit of lens measure?
A. 0.50 D
B 0.25 D
C. 0.75 D
D. 1.00 D
```
B. 0.25 D
42
```
Which is true of a trifocal lens?
A. Trifocal lenses are usually made of glass
B. Has three different lens powers
C. Has three different tints for lenses
D. The middle lens if for reading a book
```
B. Has three different lens powers
43
Aspheric lenses provide a smaller field of vision.
A. True
B. False
B. False
44
Ultraviolet coatings protect the eye from damaging UV light indoors and outdoors.
A. True
B. False
A. True
45
What lens material is the easiest to break?
A. Glass
B. Plastic
C. Polycarbonate
D. Trivex
A. Glass
46
Corneal topography is used to screen patients before refractive surgery and diagnose refractive disorders and diseases.
A. True
B. False
a. True
47
```
What are cycloplegic drugs used for?
A. To constrict the pupil
B. To allow accommodation
C. To anesthetize the cornea
D. To dilate the eyes
```
D. To dilate the eyes
48
```
What is the name of the surgical procedure that uses the excimer laser to treat hyperopia, myopia and astigmatism in the corneal stroma, and uses a microkeratome to create a flap?
A. LASIK
B. LASEK
C. AK
D. HK
```
A. LASIK
49
```
How long should you wait until you attempt to repeat the procedure for taking a patient's blood pressure?
A. At least 30 seconds
B. At least 1 minute
C. At least 5 minutes
D. At least 10 minutes
```
A. At least 30 seconds
50
```
What does OS mean?
A. Oculus sinister, Right Eye
B. Oculus Sphere, right eye
C. Oculus sinister, left eye
D. Oculus sphere, left eye
```
C. Oculus sinister, left eye
51
Which is not true of sodium fluorescein?
A. Is an ophthalmic stain
B. Is the most commonly used ophthalmic dye
C. Is available in liquid form
D. Is not impregnated on dry, paper filter strips
D. Is not impregnated on dry, paper filter strips
52
```
What is the name given to a person's increased sensitivity to light?
A. Photophobia
B. Pseudophakia
C. Aphakia
D. Presbyopia
```
A. Photophobia
53
```
What is a broken blood vessel between the sclera and conjunctiva called?
A. Sub conjunctival hemorrhage
B. Pinguecula
C. Cataract
D. Conjuctivitis
```
A. Sub conjunctival hemorrhage
54
```
What may ocular drugs not be used for?
A. Anesthetize the eye
B. Dilate the pupil
C. Paralyze the patient
D. Treat eye conditions
```
C. Paralyze the patient
55
What is the primary function of the inferior rectus muscle?
A. Elevate the eye
B. Turn the eye downward
C. Turn the top of the eye towards the nose
D. Turn the eye upward
B. Turn the eye downward
56
```
How many layers are there in the cornea?
A. Two
B. Five
C. Seven
D. Eight
```
B. Five
57
Monovision corrects one eye for distance and the other eye for near and can be used to correct presbyopia.
A. True
B. False
A. True
58
```
Objects viewed through a minus lens will appear _________?
A. Larger
B. Smaller or minified
C. No noticeable change
D. Maximized
```
B. Smaller or minified
59
```
Which drug stimulates the iris dilator muscle, causing the pupil to dilate?
A. Cycloplegic
B. Mydriatic
C. Anesthetic
D. Therapeutic
```
B. Mydriatic
60
What is the benefit of biomicroscopy?
A. Relates to the ability of the two eyes to work together
B. Gives the examiner a highly magnified view of the structure of the eye, lids, and lashes
C. Examines the binocular relationship of the eye
D. Gives the examiner a magnified view of the anterior chamber
B. Gives the examiner a highly magnified view of the structure of the eye, lids, and lashes
61
The instrument that contains lenses and can be used to determine a spectacle correction is called a phoropter.
A. True
B. Flase
A. True
62
```
What is the examination of the inside of the eye called?
A. Biomicroscopy
B. Slit lamp examination
C. Ophthalmoscopy
D. Pachymetry
```
C. Ophthalmoscopy
63
```
A visual condition where the eyes make repetitive, uncontrolled movements often resulting in reduced vision is known as?
A. Strabismus
B. Aphakia
C. Nystagmus
D. Pinguecula
```
C. Nystagmus
64
```
The point on a sphygmomanometer at which the first clear sound of two consecutive beats is heard is known as _______?
A. Pulse rate
B. Diastolic pressure
C. Venous pressure
D. Systolic Pressure
```
D. Systolic Pressure
65
What is corneal edema?
A. When water is retained and swelling occurs in the cornea
B. When too much oxygen is allowed to enter the cornea
C. When not enough water is retained in the cornea
D. none of the above
A. When water is retained and swelling occurs in the cornea
66
What happens when someone is diagnosed with keratoconus?
A. The retina pulls away from the eyelid
B. The cornea thins and bulges forward
C. The clear transparent tissue of the eye is torn
D. The eyelid becomes inflamed
B. The cornea thins and bulges forward
67
```
What are the two main types of filing systems?
A. Numerical and computerized
B. Numerical and chronological
C. Numerical and alphabetical
D. None of the above
```
C. Numerical and alphabetical
68
```
What is a mid-index lens material that is thinner than glass or CR-39, free from distortion and aberration and able to be used as a safety lens?
A. High-index lenses
B. Trivex
C. Progressive addition lenses
D. Aspheric Lenses
```
B. Trivex
69
What increases visual acuity because it reduces internal lens reflections?
A. Anti-reflective coatings
B. Anit-reflective and ultraviolet coatings
C. Reflective coatings
D. Ultraviolet coatings
A. Anti-reflective coatings
70
```
What is the height of the reading position of a multifocal lens called?
A. Lower lid height
B. Pupil height
C. Interpupillary distance
D. Seg height
```
D. Seg height
71
```
What is the lifeline into and out of the practice?
A. Paraoptometrics
B. Optometrists
C. Advertising
D. The telephone
```
D. The telephone
72
Interpupillary distance is measured in centimeters.
A. True
B. False
B. False
73
If a patient claims to have pain in the eye but does not have any other symptoms, when do you schedule them for an appointment?
A. Sometime that week
B. The next day
C. Immediately have them come in to the office
D. Wait until another symptom appears and then call for an appointment
C. Immediately have them come in to the office
74
```
How is a lens with no power labeled?
A. Zero
B. Minified
C. Plano
D. 0.00 D
```
C. Plano
75
```
Which Type of lens will have the same power in all areas of the lens?
A. Plano
B. Spherical
C. Cylindrical
D. Spherocylindrical
```
B. Spherical
76
```
When the crystalline lens gets hard or cloudy with age, it is called a _______?
A. Cataract
B. Hordeolum
C. Pinguecula
D. Kertaconus
```
A. Cataract
77
```
What is not part of the case history?
A. Chief complaint
B. Review of systems
C. Social Security Number
D. Social History
```
C. Social Security Number
78
What is the first number listed on the prescription that indicates the amount of myopia or hyperopia?
A. Axis
B. Cylindrical power
C. 90 degrees away from the spherical power
D. Spherical power
D. Spherical power
79
```
What carries impulses from the retina to the brain?
A. Optic nerve
B. Optic Chiasm
C. Crystallin lens
D. Lacrimal Gland
```
A. Optic Nerve
80
```
What is the unit of measure for lenses?
A. Triopter
B. Diopter
C. Photopter
D. Monopter
```
B. Diopter
81
```
What is the normal pattern of retinal blood vessels as they leave the optic nerve head and arch around the macula called?
A. Posterior pole
B. Fundus
C. Arcades
D. Fovea centralis
```
C. Arcades
82
```
How many extra-ocularmuscles are attached to the sclera?
A. Five
B. Three
C. Ten
D Six
```
D. Six
83
```
What is the name given to the junction of the sclera and the cornea?
A. Epithelium
B. Endothelium
C. Limbus
D. Conjuctiva
```
C. Limbus
84
What is the aqueous humor?
A. Provides nutrients for the lens and posterior cornea
B. The clear tissue that covers the sclera and the inside surface of the eyelids
C. Is the area inside the eye behind the iris
D. Provides color vision
A. Provides nutrients for the lens and posterior cornea
85
```
What is the frame height, the most vertical dimension of the lens openings, also known as?
A. "A" measurement
B. "B" Measurement
C. "ED" Measurement
D. "C" Measurement
```
B. "B" Measurement
86
```
What are plus lenses used to correct?
A. Myopia and hyperopia
B. Presbyopia and myopia
C. Hyperopia and presbyopia
D. Myopia, Hyperopia and presbyopia
```
C. Hyperopia and presbyopia
87
```
What does a tonometer measure?
A. Pressure in the eye
B. Moisture in the eye
C. The pupillary distance
D. The distance between the eyes
```
A. Pressure in the eye
88
```
What is the part of the frame that surrounds the lens and hold it in place called?
A. Stem
B. Temple
C. Eyewire
D. Framefront
```
C. Eyewire
89
The photoreceptors are located in the retina.
A. True
B. False
A. True
90
```
Which of the following instruments is used to measure the base curve of a rigid contact lens?
A. Radiuscope
B. Retinoscope
C. Lensometer
D. Phoropter
```
A. Radiuscope
91
```
What is the name for teh part of the frame that connects the two eyewires?
A. Nosepads
B. Bridge
C. Temples
D. Eyewire mid-point
```
B. Bridge
92
```
What is the largest cause of irreversible blindness?
A. Iritis
B. Retinal detachment
C. Macular degeneration
D. Cunjunctivitis
```
C. Macular degeneration
93
```
What is a form of strabismus in which one or both eyes turn inward?
A. Emmetropia
B. Ametropia
C. Esotropia
D. Myopia
```
C. Esotropia
94
Rods are the photoreceptors that provide color vision.
A. True
B. False
B. False
95
```
What type of frames are actually made of rugged polymers?
A. Plastic
B. Zyl
C. Both a & B
D. none of the above
```
C. Both A & B
96
Anesthetic drugs cause temporary deadening of a nerve, which results in loss of feeling in the surrounding area.
A. True
B. False
A. True
97
```
What type of contact lens is applied after waking and removed before going to sleep?
A. Conventional daily wear lenses
B. Extended wear contact lenses
C. Planned replacement contact lenses
D. Lenses for corneal refractive therapy
```
A. conventional daily wear lenses
