for Opticians
ABO American Board of Opticianry
NOCE National Opticianry Competency Examination
Course Title and Number: ABO NOCE Competency Exam
Exam Title: Competenct Exam
Exam Date: Exam 2025- 2026
Instructor: [Insert Instructor’s Name]
Student Name: [Insert Student’s Name]
Student ID: [Insert Student ID]
Examination
180 minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
5. Please answer each question below and click Submit when you have completed
the Exam.
6. This test has a time limit, The test will save and submit automatically when the
time expires
7. This is Exam which will assess your knowledge on the course Learning
Resources.
Good Luck!
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ABO NOCE Competency Exam Review Questions with
Correct Answers | 100% Pass Guaranteed | Graded A+ |
2025- 2026
American Board of Opticianry ABO
NOCE National Opticianry Competency Examination
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
What prisms combination will cancel? - =Answer>> BU/BU
BD/BD
BI/BO
What prism combinations will compound? - =Answer>> BU/BD
BI/BI
BO/BO
How do you convert centimeters to millimeters? (cm to mm) -
=Answer>> Multiply by 10
How do you convert millimetes to centimeters? (Mm to Cm) -
=Answer>> Divide by 10
What is Prentice's formula? - =Answer>> Prism=lens power ×
decentration
What is the formula to find total decentration? - =Answer>>
(A+DBL) - PD
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What is the formula for Minimum Blank Size? - =Answer>>
MBS=TD+ED+2mm
What is the formula to find GCD or Frame PD? - =Answer>> GCD=
A+DBL
What is responsible for processing color? - =Answer>> Cones
What is responsible for processing in black + white? - =Answer>>
Rods
What are the 3 fluid chambers of the eye? - =Answer>> Anterior
Posterior
Vitreous
What controls the amount of light allowed through the pupil? -
=Answer>> The iris
Emmetropia - =Answer>> All rays of light focus on the Retina
without the need of corrective lenses
(Perfect Vision)
Presbyopia - =Answer>> Inability to read fine print
Myopia - =Answer>> Near sighted
Can not see in the distance but can see up close
Needs a minus lens
Hyperopia - =Answer>> Farsighted
Can see in the distance but can not see up close
Needs plus lens
How fast does light travel? - =Answer>> 186,000 miles per second
What is the formula to determine Diopter? - =Answer>> D=1/F
Lens that is stacked apex to apex - =Answer>> Plus
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