for Opticians
ABO American Board of Opticianry Advanced
Certification Examination
ABOAC Advanced ABO Certification Examination
Course Title and Number: ABO Advanced 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] _____________
Examination
Time: - ____ Hours: ___ 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- AC Advanced ABO Comprehensive Certification
Exam Review Questions and Answers | 100% Pass
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2025- 2026
ABO American Board of Opticianry
ABOAC Advanced ABO Certification Examination
Read All Instructions Carefully and Answer All the
Questions Correctly Good Luck: -
1.What is the average axial length of the eye?: 26.5 mm
2.What is another word for eyelids?: Palpebrae
3.What muscle relaxes to allow the eyelid to droop or
sag?: Frontalis
4.What Is the size of the bony orbit in the average adult?
a. 25x30
b. 25x35
c. 30x45
d. 35x45: 35x40
5.Reflex tears are produced by and are generally
caused by : Lacrimal glands //
stimulus glands such are coughing sneezing strong
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scents emotions
6.Which glands produce basic tear secretion?: Glands
of Wolfing and Glands of Krause
7.The three layers of the tear film in order from
outermost to innermost are the , , and .:
lipid, aqueous, mucin
8.The layer of the tear film that is responsible for
prevention of evaporation is the layer: lipid
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9.The layer of the tear film that contains the nutrients
and antibiotic properties is the layer: Aqueous
10.The layer of the tear film that is responsible for
holding the tears on the cornea is the : Mucin
11.The term for the collection of thin film of tears on the
lower lid margin is
: Tear Miniscus, Tear Lake, Tear prism (all)
12.What is the term for the eyelids turning outward?:
Ectropion
13.What is the term for the eyelids turning inward?:
Entropion
14.What is the name of the mucous membrane that
lines the lids and the globe of the eye?: Conjunctiva
15.What do the goblet cells produce: Mucous
16.What is the term for the inflammation the
conjunctiva?: Conjunctivitis
17.The outer tunic consists of the _1_, _2_, and
additionally the _3_ and is
_4_.: Scelera, cornea, LIMBUS and is fibrous
18.The five layers of the cornea from the outermost to
the innermost in order are : Epithelium, Bowman's
Membrane, Stroma, Decement's, Endothelium (b)
19.The average power of the cornea is: 42-45 diopters
20.The cornea receives oxygen from: Tears, Blood
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