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JCAHPO COA Exam Questions and Answers (Graded A)

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JCAHPO COA Exam Questions and Answers (Graded A)JCAHPO COA Exam Questions and Answers (Graded A)JCAHPO COA Exam Questions and Answers (Graded A)Ocularist - ANSWER-Measures and fits patients with artificial eyes Orthoptist - ANSWER-Helps with diagnosis, management, and non-surgical treatment of e...

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  • October 31, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • JCAHPO COA
  • JCAHPO COA
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JCAHPO COA Exam Questions and
Answers (Graded A)
Ocularist - ANSWER-Measures and fits patients with artificial eyes

Orthoptist - ANSWER-Helps with diagnosis, management, and non-surgical treatment
of eye muscle imbalances

Optician - ANSWER-Dispenses eyeglasses and contact lenses from prescriptions
supplied by others

Optometrist - ANSWER-Prescribes and/or fits eyeglasses and contact lenses and
screens for eye diseases as a non-physician professional

Ophthalmologist - ANSWER-Prevents, diagnoses, and medically and surgically treats
problems of the eye as a medical doctor

Ophthalmic Medical Assistant - ANSWER-Helps the doctor in a variety of clinical and
administrative tasks

Ethics - ANSWER-Moral principles and values that govern behavior

4 Primary structures included in the adnexa: - ANSWER--orbit
-extraocular muscles
-eyelids
-tear-producing and tear-draining lacrimal apparatus

Orbit - ANSWER-A pear-shaped bony cavity in the skull. Its function is to house the
globe, blood vessels, and the nerves

Medial rectus - ANSWER-Inward rotation

Superior rectus - ANSWER-Upward rotation

Inferior rectus - ANSWER-Downward rotation

Lateral rectus - ANSWER-Outward rotation

Inferior oblique - ANSWER-Upward and outward rotation

Superior Oblique - ANSWER-Downward and outward rotation

3 functions of eyelids - ANSWER--helps protect the eye from injury

,-exclude light
-aid in lubrication of ocular surface

2 principle functions of lacrimal apparatus - ANSWER--produces tears
-ducts drain the excess fluid from the front of the eyes to the nose

Crystalline Lens - ANSWER-Structure that provides the eye's focusing power

Accomodation - ANSWER-The process by which the curvature of the crystalline lens
changes in order to focus images of objects that are close to the eye; increases
focusing power

Zonules - ANSWER-Transparent fibers that connect the lens to the ciliary body

Layers of Tear Film; Outer Layer - ANSWER-Helps prevent evaporation of moisture
from the middle layer

Layers of Tear Film; Middle Layer - ANSWER-Tear film that supplies moisture, oxygen,
and nutrients to the cornea

Layers of Tear Film; Inner Layer - ANSWER-Promotes an even spread of the tear film
over the cornea

Corneal Epithelium - ANSWER-Serves as the first line of defense against infection and
injury

Descemet's Membrane - ANSWER-Contributes rigidity

Stroma - ANSWER-Contributes rigidity

Bowman's Membrane - ANSWER-Acts as an anchor for the epithelium

Corneal Endothelium - ANSWER-Maintains proper fluid balance

Sclera - ANSWER-Structural component of the globe that protects the intraocular
contents

Ciliary Process - ANSWER-Secretes aqueous humor that fills the anterior and posterior
chambers

Choroid - ANSWER-Supplies nourishing blood to the outer layers of the retina; lies
between the sclera and the retina in the uveal tract

Vitreous - ANSWER-Acts as a shock absorber and maintains the shape of the globe

Rods - ANSWER-Largely responsible for vision in reduced light and for peripheral vision

, Cones - ANSWER-Provide sharp central vision and perception of color

Symptom vs. Sign - ANSWER-Symptoms tend to be more subjective and/or personal
whereas signs are objective

Syndrome - ANSWER-Term given to a set of signs and symptoms that is characteristic
of a specific condition or disease

Protopsis/Exophthalmos - ANSWER-Protrusion of the eyeball caused by an increase in
orbital volume

Orbital Cellulitis - ANSWER-Swollen eyelids and red eyes

Strabismus - ANSWER-A misalignment of the eyes that may cause vision to be
disturbed; can be congenital or caused by nerve paralysis or a muscle losing elasticity

External Hordeolum - ANSWER-Abscess that is caused by infection of a glad
surrounding a lash follicle

Chalazion (Internal Hordeolum) - ANSWER-A non-tender solid bump under the eyelid;
chronic inflammation resulting from an obstructed meibomian gland in the eyelid;
associated with infection

Blepharitis - ANSWER-Red and encrusted lid margin

Ptosis - ANSWER-Droopy upper lid

Ectropion - ANSWER-Outward turning of lid margins

Entropion - ANSWER-Inward turning of lid margins

Trichiasis - ANSWER-Eyelashes rubbing against the eyeball, usually causing irritation

Lagophthalmos - ANSWER-Globe is not completely covered when lids are closed

Keratoconjunctivitis sicca (K-sicca) - ANSWER-Inflammation of the cornea and
conjunctiva caused by dry eyes

Dacryocystitis - ANSWER-Condition resulting from inflammation of the lacrimal sac

Bacterial Conjunctivitis - ANSWER-Thick, mucopurulent discharge

Viral Conjunctivitis - ANSWER-Produces a watery discharge; everted eyelid appears to
be covered with hundreds of tiny bumps

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