COA (Certified Ophthalmic Assistant) TEST LATEST 2025
PRACTICE EXAM WITH 200 QUESTIONS AND CORRECT
ANSWERS
Factors that determine whether or not surgery will be performed in the ophthalmologist's office
include all the following EXCEPT
A. outpatient facilities in a nearby hospital
B. time spent at the hospital by the physician
C. type of insurance the patient has
D. presence of a trained ophthalmic assistant - ANSWER>>>>-C. type of insurance the patient has
They type of insurance that a patient has should not influence the decision to have surgery
performed in the doctor's office.
A pledget is a
A. focusing knob on a binocular microscope
B. type of hypodermic needle
C. small tuft of cotton soaked in anesthetic solution
D. type of lacrimal cannula - ANSWER>>>>-C. small tuft of cotton soaked in anesthetic solution
A pledget is a small tuft of cotton soaked in anesthetic solution that is used to apply anesthetics
topically
The part of the retina which is MOST concerned with fine visual resolution and good color perception
is called the
A. bipolar cell
B. fovea
C. pigment epithelium
D. rod receptors - ANSWER>>>>-B. fovea
,The center of the macula is called the fovea, because most of the cone cells are concentrated in the
macula, proper function of this area is crucial to the finely detailed central vision process
A common endocrine problem associated with eye disorders is
A. diabetes
B. high blood pressure
C. retinopathy of prematurity
D. rheumatoid arthritis - ANSWER>>>>-A. diabetes
Diabetes affects a variety of organs and organ systems including the vascular system.
The chief advantage of the projected acuity chart compared with the Snellen distance chart is that it
can be used to
A. show the patient one line of print at a time
B. allow for an actual testing distance of less than 20 feet
(6.0 meters)
C. test color vision
D. test dark adaptation - ANSWER>>>>-B. allow for an actual testing distance of less than
20 feet (6.0 meters)
The projected visual acuity chart allows an actual testing distance of less than 20 feet.
What is the MOST common cause of low vision among the elderly today?
A. cataract
B. glaucoma
C. macular degeneration
D. retinitis pigmentosa - ANSWER>>>>-C. macular degeneration
Age related macular degeneration is one of the most common causes of loss of vision in elderly
persons.
,The area of the eye MOST critical to central vision is the
A. cornea
B. lens
C. macula
D. pupil - ANSWER>>>>-C. macula
Proper function of this area is crucial to the finely detailed central vision needed for reading and
other detailed visual tasks
An ocular shield is indicated in which of the following circumstances?
A. Corneal abrasion
B. Globe laceration
C. Conjunctivitis
D. Blepharitis - ANSWER>>>>-B. Globe laceration
An ocular shield rather than a pressure patch should be utilized in cases of contusion of lacerations of
the globe
Protocols for applying pressure patches or shields require that adhesive tape must be applied from
A. forehead to cheek
B. temple to near the nose
C. forehead to the temple
D. temple to the ear on the same side - ANSWER>>>>-A. forehead to cheek
Ocular patching should have the taping placed obliquely from the forehead to the cheek
What is the best method for someone to assist a blind patient to ambulate?
A. Hold both of the patient's hands and guide towards you
B. walk next to the patient with your arm around the
patient's waist.
C. walk slightly ahead of the patient allowing the patient to
, rest their hand on your arm
D. Have the patient take your arm - ANSWER>>>>-C. walk slightly ahead of the patient allowing
the
patient to rest their hand on your arm
Blind or partially sighted patients who are being escorted should take the assistant's arm lightly
above the elbow, which automatically places the patient one step behind the assistant allowing for
anticipation of directional movement
The structure that provides color to the eye is the
A. pupil
B. crystalline lens
C. iris
D. cornea - ANSWER>>>>-C. iris
The iris contains pigments and is the structure that gives the eye its characteristic color, e.g., blue,
brown, green
The tear film consist of which 3 layers?
A. Oily, aqueous, mucin
B. Mucin, protein, carbohydrate
C. Protein, oily, aqueous
D. Aqueous, sebaceous, protein - ANSWER>>>>-A. Oily, aqueous, mucin
The tear film is made up of 3 layers, the outermost layer (touching the eyelids) is the oily layer which
helps retard evaporation of the tears, the middle layer is the aqueous layer and the inner layer
(against the cornea) is the mucin layer which helps to maintain a uniform spread of tears over the
surface of the eye
In regard to metabolic diseases, diabetes is the one that
A. affects very few individuals
B. rarely affects vision
C. has no known cure
PRACTICE EXAM WITH 200 QUESTIONS AND CORRECT
ANSWERS
Factors that determine whether or not surgery will be performed in the ophthalmologist's office
include all the following EXCEPT
A. outpatient facilities in a nearby hospital
B. time spent at the hospital by the physician
C. type of insurance the patient has
D. presence of a trained ophthalmic assistant - ANSWER>>>>-C. type of insurance the patient has
They type of insurance that a patient has should not influence the decision to have surgery
performed in the doctor's office.
A pledget is a
A. focusing knob on a binocular microscope
B. type of hypodermic needle
C. small tuft of cotton soaked in anesthetic solution
D. type of lacrimal cannula - ANSWER>>>>-C. small tuft of cotton soaked in anesthetic solution
A pledget is a small tuft of cotton soaked in anesthetic solution that is used to apply anesthetics
topically
The part of the retina which is MOST concerned with fine visual resolution and good color perception
is called the
A. bipolar cell
B. fovea
C. pigment epithelium
D. rod receptors - ANSWER>>>>-B. fovea
,The center of the macula is called the fovea, because most of the cone cells are concentrated in the
macula, proper function of this area is crucial to the finely detailed central vision process
A common endocrine problem associated with eye disorders is
A. diabetes
B. high blood pressure
C. retinopathy of prematurity
D. rheumatoid arthritis - ANSWER>>>>-A. diabetes
Diabetes affects a variety of organs and organ systems including the vascular system.
The chief advantage of the projected acuity chart compared with the Snellen distance chart is that it
can be used to
A. show the patient one line of print at a time
B. allow for an actual testing distance of less than 20 feet
(6.0 meters)
C. test color vision
D. test dark adaptation - ANSWER>>>>-B. allow for an actual testing distance of less than
20 feet (6.0 meters)
The projected visual acuity chart allows an actual testing distance of less than 20 feet.
What is the MOST common cause of low vision among the elderly today?
A. cataract
B. glaucoma
C. macular degeneration
D. retinitis pigmentosa - ANSWER>>>>-C. macular degeneration
Age related macular degeneration is one of the most common causes of loss of vision in elderly
persons.
,The area of the eye MOST critical to central vision is the
A. cornea
B. lens
C. macula
D. pupil - ANSWER>>>>-C. macula
Proper function of this area is crucial to the finely detailed central vision needed for reading and
other detailed visual tasks
An ocular shield is indicated in which of the following circumstances?
A. Corneal abrasion
B. Globe laceration
C. Conjunctivitis
D. Blepharitis - ANSWER>>>>-B. Globe laceration
An ocular shield rather than a pressure patch should be utilized in cases of contusion of lacerations of
the globe
Protocols for applying pressure patches or shields require that adhesive tape must be applied from
A. forehead to cheek
B. temple to near the nose
C. forehead to the temple
D. temple to the ear on the same side - ANSWER>>>>-A. forehead to cheek
Ocular patching should have the taping placed obliquely from the forehead to the cheek
What is the best method for someone to assist a blind patient to ambulate?
A. Hold both of the patient's hands and guide towards you
B. walk next to the patient with your arm around the
patient's waist.
C. walk slightly ahead of the patient allowing the patient to
, rest their hand on your arm
D. Have the patient take your arm - ANSWER>>>>-C. walk slightly ahead of the patient allowing
the
patient to rest their hand on your arm
Blind or partially sighted patients who are being escorted should take the assistant's arm lightly
above the elbow, which automatically places the patient one step behind the assistant allowing for
anticipation of directional movement
The structure that provides color to the eye is the
A. pupil
B. crystalline lens
C. iris
D. cornea - ANSWER>>>>-C. iris
The iris contains pigments and is the structure that gives the eye its characteristic color, e.g., blue,
brown, green
The tear film consist of which 3 layers?
A. Oily, aqueous, mucin
B. Mucin, protein, carbohydrate
C. Protein, oily, aqueous
D. Aqueous, sebaceous, protein - ANSWER>>>>-A. Oily, aqueous, mucin
The tear film is made up of 3 layers, the outermost layer (touching the eyelids) is the oily layer which
helps retard evaporation of the tears, the middle layer is the aqueous layer and the inner layer
(against the cornea) is the mucin layer which helps to maintain a uniform spread of tears over the
surface of the eye
In regard to metabolic diseases, diabetes is the one that
A. affects very few individuals
B. rarely affects vision
C. has no known cure
