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JCAHPO COA Exam – Questions With Verified Answers
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JCAHPO COA Exam – Questions With Verified AnswersOcularist Right Ans - Measures and fits patients with artificial eyes
Orthoptist Right Ans - Helps with diagnosis, management, and non-surgical
treatment of eye muscle imbalances
Optician Right Ans - Dispenses eyeglasses and contact lenses from
prescriptions supplied by others
Optometrist Right Ans - Prescribes and/or fits eyeglasses and contact
lenses and screens for eye diseases as a non-physician professional
Ophthalmologist Right Ans - Prevents, diagnoses, and medically and
surgically treats problems of the eye as a medical doctor
Ophthalmic Medical Assistant Right Ans - Helps the doctor in a variety of
clinical and administrative tasks
Ethics Right Ans - Moral principles and values that govern behavior
4 Primary structures included in the adnexa: Right Ans - -orbit
-extraocular muscles
-eyelids
-tear-producing and tear-draining lacrimal apparatus
Orbit Right Ans - A pear-shaped bony cavity in the skull. Its function is to
house the globe, blood vessels, and the nerves
Medial rectus Right Ans - Inward rotation
Superior rectus Right Ans - Upward rotation
Inferior rectus Right Ans - Downward rotation
Lateral rectus Right Ans - Outward rotation
Inferior oblique Right Ans - Upward and outward rotation
,Superior Oblique Right Ans - Downward and outward rotation
3 functions of eyelids Right Ans - -helps protect the eye from injury
-exclude light
-aid in lubrication of ocular surface
2 principle functions of lacrimal apparatus Right Ans - -produces tears
-ducts drain the excess fluid from the front of the eyes to the nose
Layers of Tear Film; Outer Layer Right Ans - Helps prevent evaporation of
moisture from the middle layer
Layers of Tear Film; Middle Layer Right Ans - Tear film that supplies
moisture, oxygen, and nutrients to the cornea
Layers of Tear Film; Inner Layer Right Ans - Promotes an even spread of
the tear film over the cornea
Corneal Epithelium Right Ans - Serves as the first line of defense against
infection and injury
Descemet's Membrane Right Ans - Contributes rigidity
Stroma Right Ans - Contributes rigidity
Bowman's Membrane Right Ans - Acts as an anchor for the epithelium
Corneal Endothelium Right Ans - Maintains proper fluid balance
Sclera Right Ans - Structural component of the globe that protects the
intraocular contents
Ciliary Process Right Ans - Secretes aqueous humor that fills the anterior
and posterior chambers
Choroid Right Ans - Supplies nourishing blood to the outer layers of the
retina; lies between the sclera and the retina in the uveal tract
,Crystalline Lens Right Ans - Structure that provides the eye's focusing
power
Accomodation Right Ans - 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 Right Ans - Transparent fibers that connect the lens to the ciliary
body
Vitreous Right Ans - Acts as a shock absorber and maintains the shape of
the globe
Rods Right Ans - Largely responsible for vision in reduced light and for
peripheral vision
Cones Right Ans - Provide sharp central vision and perception of color
Symptom vs. Sign Right Ans - Symptoms tend to be more subjective and/or
personal whereas signs are objective
Syndrome Right Ans - Term given to a set of signs and symptoms that is
characteristic of a specific condition or disease
Protopsis/Exophthalmos Right Ans - Protrusion of the eyeball caused by an
increase in orbital volume
Orbital Cellulitis Right Ans - Swollen eyelids and red eyes
Strabismus Right Ans - 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 Right Ans - Abscess that is caused by infection of a
glad surrounding a lash follicle
Chalazion (Internal Hordeolum) Right Ans - A non-tender solid bump
under the eyelid; chronic inflammation resulting from an obstructed
meibomian gland in the eyelid; associated with infection
, Blepharitis Right Ans - Red and encrusted lid margin
Ptosis Right Ans - Droopy upper lid
Ectropion Right Ans - Outward turning of lid margins
Entropion Right Ans - Inward turning of lid margins
Trichiasis Right Ans - Eyelashes rubbing against the eyeball, usually
causing irritation
Lagophthalmos Right Ans - Globe is not completely covered when lids are
closed
Keratoconjunctivitis sicca (K-sicca) Right Ans - Inflammation of the cornea
and conjunctiva caused by dry eyes
Dacryocystitis Right Ans - Condition resulting from inflammation of the
lacrimal sac
Bacterial Conjunctivitis Right Ans - Thick, mucopurulent discharge
Viral Conjunctivitis Right Ans - Produces a watery discharge; everted
eyelid appears to be covered with hundreds of tiny bumps
Allergic Conjunctivitis Right Ans - Tearing, itching, redness, and swelling
Pinguecula Right Ans - Small, benign yellow-white mass on conjunctiva
Pterygium Right Ans - Wedge-shaped growth on the cornea
Abduction Right Ans - Movement of the eye outward toward the temple
Aberrometry Right Ans - The measurement of optical aberrations of the
visual system using a device called a wavefront analyzer or an aberrometer
Abrasion Right Ans - A scratch
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