100 questions lynn e. lawrence, cmsgt (ret) usaf cpot, aboc
TRANSCRIPT
100 Questions
Lynn E. Lawrence, CMSgt (ret) USAF CPOT, ABOC
Question 1
Which of the following is required for normal depth perception?
a) strabismusb) normal eye alignmentc) poor visiond) spectacles with prism
Question 2
The lensometer is calibrated ina) centimeters and dioptersb) meters and dioptersc) diopters and degreesd) millimeters and degrees
Question 3
Patient is feeling faint, which of the following should you do first?
a) notify the doctorb) call 911c) notify the patient’s familyd) have the patient lie down
Question 4
Which of the following is a characteristic of achromacy?
a) corneal edemab) absence of rodsc) diplopia d) absence of cones
Question 5
Base out prism is used for patients witha) myopiab) hyperopiac) esotropiad) exotropia
Question 6
6. The cover/uncover is used to determine?a) Directionb) Movementc) Diplopiad) Depth perception
Question 7
The alternating cover test is used for?a) Directionb) Movementc) Diplopiad) Depth perception
Question 8
Where is the far point of accommodation of an uncorrected hyperopic eye?
a) on the retinab) behind the retinac) in front of the retinad) at the nodal point of the eye
Question 9
In addition to detecting color deficiencies, color vision testing can be used to
a) determine light sensitivityb) assess corneac) measure Stereopsisd) assess macular pathology
Question 10
In what direction does the eye turn during adduction
a) nasalb) inferiorc) superiord) temporal
Question 11
Which of the following best describes binocular pursuits
a) versionsb) ductionsc) saccadesd) vergence
Question 12
What is the central corneal layera) stromab) bowman’s layerc) descement’s layerd) epithelial layer
Question 13
The difference in inter ocular pressure between the average right and left eye maybe considered within normal limits if it is as much as
a) 9b) 7c) 5d) 3
Question 14
In the U.S., what is the most common low vision eye chronic disorder?
a) congenital cataractsb) ARMDc) Glaucomad) Presbyopia
Question 15
When using the NCT, what should be done firsta) find the targetb) occlude opposite eyec) find corneal reflexd) demonstrate the test
Question 16
On the Stereo Fly test, the patient reports seeing the R steady and the L flashing, the patient is using?
a) Left eye onlyb) Right eye onlyc) Both eyes but left eye dominated) Both eyes but right eye dominate
Question 17
If no movement is noted on the unilateral cover test, but movement is detected on the alternating cover test, what condition is present?
a) Tropiab) Phoriac) Nystagmusd) Accommodation Insufficiency
Question 18
Which is most likely to cause less than normal vision?
a) Chalazionb) Hordeolumc) Diabetesd) Pinguecula
Question 19
Which of the following tools is used to correct pantoscopic tilt?
a) Temple angling pliersb) nose pad pliersc) round nose pliersd) temple bending pliers
Question 20
Which of the following test differentiates vision loss due to pathology?
a) color vision testb) walk-up methodc) Stereopsisd) Pinhole Acuity
Question 21
Which of the following best describes aniseikonia?
a) Diplopiab) Unequal pupilsc) Unequal eye sized) Unequal retinal images
Question 22
Which of the following should be treated first?a) change in refractionb) lost contact lensc) conjunctivitisd) corneal trauma
Question 23
Which of the following refractive errors is revealed by cycloplegia?
a) Latent hyperopiab) Confirmed hyperopiac) Manifest myopiad) Latent myopia
Question 24
Which of the following would most likely be found in an external photograph?
a) Iridectomyb) Pingueculac) Cataractd) Choroidal lesion
Question 25
What is it called when blood vessels invade the cornea?
• Conjunctivitis• Iritis• Pterygium• Neovascularization
Question 26
Which of the following test is an objective test?a) Auto-refractorb) Color vision testingc) Stereo testingd) Pinhole testing
Question 27
Congenital color defects are usually?a) Bilateralb) Unilateralc) Temporaryd) Progressive
Question 28
Which of the following muscles is involved in lid retraction is?
a) ciliary b) superior rectusc) orbicularis oculid) levator palpebrae superioris
Question 29
Which of the following is a subjective test?a) Auto-refractorb) NCTc) Swinging flashlight testd) Color vision testing
Question 30
Which of the following does not require fusion?a) Stereopsisb) Worth Four Dotc) Near point of convergenced) Pseudoisochromatic Plates
Question 31
How should stereo testing be done?a) without correction at 12 inchesb) with correction at 12 inchesc) without correction at 16 inchesd) with correction 16 inches
Question 32
What instrument is most valuable in determining the total objective refractive error?
a) Alphascopeb) Retinoscopec) Tonometerd) Radiuscope
Question 33
The part of the brain responsible for analyzing the neutral signals representing sight is the
a) Choroid b) Optic nervec) Optic tractd) Visual cortex
Question 34
Which of the following is measured using an Amsler Grid
a) Corneal Curvatureb) inter ocular pressurec) central visual fieldsd) peripheral visual fields
Question 35
Beta blockers are commonly used to treat what disease?
a) optic drusenb) GPCc) Glaucomad) EKC
Question 36
Which are parts of the crystalline lens?a) Capsule, nucleus, and cortexb) Capsule, nucleus, and stromac) Nucleus, stroma, and epitheliumd) Nucleus, epithelium, and ciliary muscle
Question 37
How does an eye with an axial myopic eye differ from a normal eye?
a) The cornea is irregularb) The cornea is steeperc) The eyeball is longerd) The eyeball is shorter
Question 38
Which of the following is the average diameter of most rigid contact lens?
a) 7.0b) 9.0c) 13.8d) 15.0
Question 39
How long do the effects of a topical anesthetic usually last?
a) 5-10 minutesb) 15-30 minutesc) 30-45 minutesd) 45-60 minutes
Question 40
• 40. What percent of the male population has color vision deficiency?
a) 0.2%b) 0.8%c) 1%d) 8%
100 Questions
Lynn E. Lawrence, CMSgt (ret) USAF CPOT, ABOC
Question 41
What type of movement is displayed when eyes follow a moving target?
a. Reflexb. Saccadec. Pursuitd. Convergence
Question 42
Which of the following is the first step before using a lensometer?
a. rotate the power wheel to +9.00b. rotate the axis wheel to 180c. focus the eye pieced. adjust the table height
Question 43
At which of the following ages would the amplitude of accommodation most likely be highest?
a. 8b. 15c. 29d. 40
Question 44
The main function of the choroid is to provide?a. nutritionb. protectionc. light perceptiond. color perception
Question 45
Mucin keeps the cornea?a. hypotonic = low saltb. hypertonic = high saltc. hydrophobic = incapable of dissolving in waterd. hydrophilic = strong affinity for water
Question 46
A soft contact lens with an overall diameter of 14.0 and an optic zone of 8.6 would have a peripheral curve width of?
a. 2.7b. 4.5c. 5.4d. 6.4
Question 47
A normal monocular field usually measures 60 degrees in which of the following directions?
a. Nasallyb. inferior c. superiorlyd. temporally
Question 48
How will the result of a visual acuity test usually be affected if the patient squints while taking it?
a. it will be improvedb. it will be depressedc. it will be unaffected d. it depends on the type of test performed
Question 49
Which of the following instruments would be used to detect warpage of a rigid contact lens?
a. shadowgraphb. radiuscopec. thickness gauged. hand magnifier
Question 50
In what direction does the eye turn during abduction?
a. Nasalb. Inferiorc. Superiord. Temporal
Question 51
The “L” and “R” on the depth perception test is used to determine?
a. Stereopsisb. Suppressionc. Vertical imbalanced. Near vision acuity
Question 52
Which of the following would be a reason not to use the Goldman Tonometer?
a. Anterior uveitisb. Flashes and floatersc. Ptosisd. Corneal foreign body
Question 53
Which of the following is used when testing Stereopsis with the Stereo Fly test?
a. Maddox rodb. Risley prismsc. Polarized lensesd. anaglyph
Question 54
In addition to assessing color deficiencies, color vision testing should be accomplished?
a. Perform test with best stereopsisb. Measure highest level of fluorescent lightingc. Perform test monocularlyd. Allow patient 45 seconds per test plate
Question 55
Following a normal blink, how long should the tear remain uniform on the cornea?
a. 5-10 secondsb. 5-10 minutesc. 15-20 secondsd. 25-30 seconds
Question 56
What is used to check the power of a contact lens?
a. lens clockb. lens loupec. radiuscoped. lensometer
Question 57
At what time of day is intraocular pressure at a maximum in most people?
a. When you first wake upb. At noon timec. At bed timed. In the middle of the night
Question 58
Visual threshold is determined by a target’sa. sizeb. colorc. brightnessd. location
Question 59
The retina’s main blood supply comes from the a. Central Retinal Veinsb. Central Retinal Arteriesc. Central Capillariesd. Central Macular Veins
Question 60
Which of the following conditions indicates an immediate ocular emergency?
a. Pingueculab. Optic Neuritisc. Open-Angle Glaucomad. Central Retinal Arterial Occlusion
Question 61
What is indicated when you see five dots when using the Worth 4-Dot test?
a. Normal responseb. Only one eye can see through the red lensc. Only one eye can see through the green lensd. Possible muscle imbalance
Question 62
All of the following are required in diagnosing glaucoma but
a. Tonometryb. Biomicroscopyc. Ophthalmoscopyd. Visual field testing
Question 63
What type of bridge follow the nose smoothly and spread the weight of the frame evenly on the sides and the crest of the nose
a. Saddle b. keyholec. high crestd. adjustable nose pads
Question 64
If a lens has a focal length of 25 cm, what is the power of the lens
a. 2.50Db. 4.00Dc. 25.00Dd. 40.00D
Question 65
What section of the conjunctiva stops a contact lens from going behind the eye
a. palpebral b. scleralc. Fornixd. bulbar
Question 66
If a systolic or diastolic pressure is missed, what is the minimum length of the time that should elapse before the procedure can be repeated?
a. 30 secondsb. 1 to 3 minutesc. 10 to 15 minutesd. 1 hour
Question 67
Rose Bengal may be used to determine the presence of
a. dry eyeb. cataractc. cells and flared. corneal abrasion
Question 68
Which of the following ocular medications should be in a bottle with a red cap
a. Timololb. Tropicamidec. Pilocarpined. Proparacaine
Question 69
The Schirmer’s test is performed toa. determine the quantity of tearsb. determine the quality of tearsc. examine tear drainage systemd. examine anterior chamber
Question 70
Which of the following best describes account receivable
a. Total cash receiptsb. Bills owed by the doctorc. amount owed to doctord. Total charges minus payments
Question 71
Which of the following materials would produce the most chromatic aberration
a. CR-39b. Crown glassc. Flint glassd. High Index
Question 72
Which of the following visual field testing methods evaluates the central 20 degrees only
a. Humphrey’s Visual Fieldb. Bowl perimeterc. Amsler Gridd. Harrington-Flocks
Question 73
If visual acuity improves using a multiple pin-hole, the patient most likely has
a. Emmetropiab. Ametropiac. Extorsiond. Intorsion
Question 74
If a patient is able to read the 20/40 line at 10 feet, how would should it be recorded
a. 10/40b. 20/40+c. 80/40d. 40/10
Question 75
Which corneal refractive surgery utilizes spoke-like incisions
a. RKb. PRKc. LASIKd. LASEK
Question 76
What is the frame size for a frame with the following measurements
A measurement = 50B measurement = 40Distance between lenses = 20
a) 50b) 60c) 70d) 90
Question 77
A 20/20 letter on a Snellen chart viewed from 20 feet subtends how many minutes of arc at the eye
a. 20b. 10c. 5d. 1
Question 78
Transpose the following Rx to Near Vision Only aka NVO, SVN, reading glasses
-2.00 -1.00 x 080-1.50 -2.00 x 180+3.00 OU
Answer ___________________
Question 79
Transpose the following Rx to Near Vision Only aka NVO, SVN, reading glasses
-1.00 – 0.50 x 010-2.00 -0.75 x 100+1.25 OU
Answer____________________
Question 80
Transpose the following Rx to Near Vision Only aka NVO, SVN, reading glasses
-4.00 -0.25 x 090 -1.00 -0.50 x 098+2.00 OU
Answer ___________________
Question 81
Transpose the following Rx to Near Vision Only aka NVO, SVN, reading glasses
+2.50 -1.00 x 090+1.00 -0.75 x 180+2.25 OU
Answer ___________________
Question 82
Convert to spherical equivalent- 1.50 – 1.00 X 180- 2.25 – 1.50 X 120 Answer____________________
Question 83
If a patient has K readings of 42.00 at 180 and 44.00 at 090 on the right eye and fit 0.50D steeper than K, what would be the power of the contact lens?
a. +0.50 Db. +1.25 Dc. +1.50 Dd. +2.50 D
Question 84
If a patient selects a frame of size 54/20 for a reading only prescription, and the patient’s pupillary distance is 62/58, what is the decentration for each eye?
a. 6 mm inb. 8 mm inc. 12mm ind. 16mm in
Questions 85-89
American Optometric Association Paraoptometric Section
Optical Cross minus cylinder
1 32
54
- 1.25
- 2.50 090
180
+ 2.50 - 1.25
120 030
+ 1.75
+ 3.25 110
020
-4.25
- 2.75 025
115
+3.25 -1.75
035 125
If you don’t get all of these correct, please see me after class
Questions 90-94
American Optometric Association Paraoptometric Section
Optical Cross plus cylinder
1 32
54
- 1.25
- 2.50 090
180
+ 2.50 - 1.25
120 030
+ 1.75
+ 3.25 110
020
-4.25
- 2.75 025
115
+3.25 -1.75
035 125
Question 95
What is the total prismatic effect of prisms placed before the eyes with O.D. 0.50 prism diopters base out and OS 0.25 prism diopters base in?
a. 0.25 prism diopters base inb. 0.25 prism diopters base outc. 0.50 prism diopters base ind. 0.75 prism diopters base out
Question 96
If a lens has a focal length of 40 cm, what is the power of the lens?
a. +1.25 Db. +2.50 Dc. +12.50 Dd. +25.00 D
Question 97
What is the focal length in meters of a refracting surface with a power of 5.00 D?
a. 0.2b.0.5c. 2.0d.5.0
Question 98
Draw an optical cross with an Rx of -2.00 -2.00 X 180 lens?
Question 99
Draw an optical cross with the Rx of +1.75 – 1.50 X 150 lens?
Question 100
Draw an optical cross with the Rx of Pl – 1.50 X 130 lens?
