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A comprehensive review of the basic abo certification exam, covering key concepts and principles related to opticianry. It includes multiple-choice questions and answers, designed to help students prepare for the exam. Topics such as lens categories, focimeter measurements, prism neutralization, prescription verification, and ansi standards.
Typology: Exams
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Course Title and Number: Basic ABO Certification Exam Exam Title: Certification Exam Exam Date: Exam 2025- 2026 Instructor: [Insert Instructor’s Name] Student Name: [Insert Student’s Name] Student ID: [Insert Student ID]
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ABO American Board of Opticianry 2025- Basic ABO Certification Exam Final Comprehensive Review Questions and Answers | 100% Pass Guaranteed | Graded A+ |
exempt from the "drop ball" test?
noticed that one of the lenses have prism. The reticle on the left lens focuses and Quadrant 4 instead of at the center of the reticle. What type of prism is indicated?
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cataract surgery
patients
retain records?
sclera and serve to rotate the eye in all possible directions. There are of these muscles in each eye.: six
& limbus
the ciliary body
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distances to focus on the retina is known as:: accommodation
distant source come to focus in front of the retina. This condition is know as:: Myopia
distant source come to focus behind the retina. This condition is known as:: Hyperopia
along the:: Optic nerve
tasks:: 1. The pupils constrict
greatest amount of detail is:: fovea centralis
approx. :: 43 diopters
regenerative is:: the Epithelium
when the eyes are in a position of rest is known as:: esophoria
measuring the amount of prism is the:
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almost always necessary to:
the purpose of:
prism base
Leave Act
severe eye pain. What is your first course of action?
refer to the eye doctor
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establish standards for a wide variety of industrial and commercial interest.
Standard Institute (ANSI)
diopters of cylinder must be within of the specified axis. A. +- 2.0° B. +- 3.0° C. +- 5.0° D. +- 7.0°: D. +- 7.0°
must be within of the specified axis. A. +- 2.0° B. +- 3.0° C. +- 5.0° D. +- 7.0°: A. +- 2.0°
received must be within of that specified.
through his old glasses than the new ones just delivered. What is the first thing you do?
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the federal government.
and Drug Administration
should be described to the consumer in terms of being?
aspheric cataract spec- tacle lenses, it is found that the actual power of the lenses do not exactly meet specifications. Which of the following would be acceptable according to ANSI Standards Z80.1-
diplopia
for near vision becomes inadequate because of the loss of elasticity of the crystalline lens is called:: - Presbyopia
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disease of the eye, it is known as:: amblyopia
come to a single point of focus is called:: astigmatism
eye gradually loses its transparency with consequent loss of visual acuity is known as:: cataract
characteristic a a sustained in- crease in intraocular pressure:: glaucoma
front of the lens which is filled with aqueous is the:: posterior chamber
hyperphoria
are responsible for sharp visual acuity and color perception are the:: cones
percent of its thickness is:: the stroma
significantly differs from that of the other and where both eyes have the same sign is known as:: anisometropia
focus falling behind the retina is:: compound hyperopic astigmatisim
so that rays of light come to many focal points on the retina is known as:: irregular astigmatism
material which fills the eyeball behind the lens is the:: vitreous humor
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Which of the below are listed lenses can be manufactured with a fused segment?: Flat Top
center located: in the geometric center
lenses is: 50%
least amount of the image jump?: Flat top
utilizing a standard trifocal design, what would be the power through the intermediate portion?: - -0.75 -0.75 x
above
aspherics:: are thinner & flatter
variety of purposes. A double segment "D" style lens might be worn by:: an electrician
improved by using:: - aspheric front curves
manufacturer:: by referring to an engraved ID markings
addition lenses is: 22-25 mm depending on the brand
are: early presbyopes
impact resistance, are frequently used in: all of the aboe
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prism in the reading por- tion only on the lens with the in the vertical meridian.: most minus power
for the correction of: excessive prismatic imbalance at the reading level
+2.00 +0.25 x 90 Add: +1. What is the vertical prismatic imbalance at a 10mm reading level?: 2.5 prism diopters
prism in the lens with the in the vertical meridian.: least minus power
conventional slab off needed to neutralize the vertical prismatic imbalance the reading level is:: 10mm. Rx: -5.00-0.50 x 180 -2.75 -0.75 x 180 Add: +2.
the following need to be considered except: reading addition
measurements in order to be accurately fit: Monocular PD and monocular seg height
the most impact resistant?: Polycarbonate
significantly reduce glare
+2.50 -0.75 x 110 Add: +2.
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curved tends to become gradually:: flatter
increases in length, its curve becomes gradually: flatter
the base curve tends to become gradually: steeper
decreases in length, its curve becomes gradually:: steeper
lens designed to correct? Plano -2.00 X 180: Simple Myopic Astigmatism
Which of the following refractive conditions is the lens designed to correct?- : Mixed Astigmatism
Both Cylindrical and spherical spheres
cylinder power
measured with a lens clock, the front curve reads +6.00 D and the back curve reads -5.50 D. The focal length of that lens is: 2 meters
meridian will vary as the axis of the cylinder changes. Which of the following lenses contain no power in the ninety degree meridian?: -2.50 +2.50 x 180
effective power:: decreases
the eye the compen- sated power must: be decreased
distance. A few name is selected which positions the
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spectacle lenses when the power exceeds:: +7.00 D
one concave sur- face, it is called a lens.: meniscus
is correctly expressed as:: Diopters of prism
all of these
point of no refraction
power in all meridians
experience of seeing rain- bows?: chromatic
warped?: the lens clock
90 degrees away from the axis?: cylinder
degrees away from the axis
5.00 & the cylinder reading is -3.75. What is the cylinder power of the Rx?: +1.
above is true
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distance of one meter, it is said to have a power of:: 1 prism diopter
called the: wavelength
up prism
prism is equal to:: the power of the lens times the decentration in millimeters divided by 10
prescription of -2.00 D in each eye and a PD of 63 mm. They were received from the lab with the optical centers set 66 mm apart. How much total prism was induced and in which direction is the base?: 0.6 prism diopters base in
with a PD of 59mm. When these lenses were verified, it was determined that the optical centers were positioned 4mm too wide. How much prism was induced in each eye and in which direction is the base?: 0.8 prism diopters base out
said to be: diverging
of the above are sources of IR
to UV exposure?: - glaucoma
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contains UV energy?: 200 to 400 nm
concept?: disuse
is the MRP?: at the optic center
thickness of the lens and the relationship b/w the front and the back of the lens. These are 3 things that:: affect the power of a lens
right eye and 2 base in prism in the left eye. What is the total imbalance?: 1
-To balance the weight of the lenses -For patient comfort -For better cosmetic appearance -Any of the above: any of the above is a valid reason to split prism
absorption, transmission, reflection
the boxing sys- tem of measurement. In this system, the "B" measurement represents the .: the lens depth
useful since it can accurately locate the of the lens.: geometric center
measuring R: 31 mm & L: 33mm. The box measurement of the frame selected equals 52/18.
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