What is an ophthalmologist?
A. An MD who specializes in eye and vision care.
B. Fabricates and fits patients with Prostheses.
C. A technician trained to design, verify, and fit eyeglass lenses and frames.
D. A health care professional who provides primary vision care ranging from sight testing and correction to the diagnosis, treatment, and management of vision changes.
A. An MD who specializes in eye and vision care.
What part of the eye controls the amount of light entering the eye by enlarging or reducing the size of the opening in its center?
A. Pupil
B. Iris
C. Lens
D. Cornea
B. Iris
The eyelids do all of the following EXCEPT?
A. help protect the eye from injury.
B. control light exposure to the eye.
C. convert images to electric impulses that are carried to the brain by the Optic Nerve.
D. aid in lubrication of the ocular surface.
C. convert images to electric impulses that are carried to the brain by the Optic Nerve.
What are the 5 layers of the cornea in order from outermost to innermost?
A. Bowman membrane, corneal stroma, corneal epithelium, corneal endothelium, Descemet membrane.
B. corneal epithelium, Bowman membrane, limbus, corneal endothelium, sclera.
C. sclera, corneal epithelium, Bowman membrane, corneal stroma, Descemet membrane.
D. corneal epithelium, Bowman membrane, corneal stroma, Descemet membrane, corneal endothelium.
D. corneal epithelium, Bowman membrane, corneal stroma, Descemet membrane, corneal endothelium.
A. retinal detachments
B. nevus
C. floaters
D. cataract
C. floaters
What is an ophthalmic medical assistant?
A. Someone who has completed 2-4 years in an education program to become a licensed registered professional. Has undergone nursing training and ophthalmic nursing training.
B. An individual that helps the ophthalmologist with diagnostic and treatment procedures.
C. Technician trained to design, verify, and fit eyeglass lenses and frames, contact lenses, and other devices to correct eyesight.
D. A health care professional who provides primary vision care, ranging from sight testing and correction, to the diagnosis, treatment, and management of vision changes.
B. An individual that helps the ophthalmologist with diagnostic and treatment procedures.
What is the average thickness of the cornea?
A. 455 micrometers
B. 420 micrometers
C. 545 micrometers
D. 640 micrometers
C. 545 micrometers
When an eyelash may grow in the wrong direction and rub against the surface of the eye, this is called?
A. external hordeolum
B. internal hordeolum
C. trichiasis
D. blepharitis
C. trichiasis
What can impaired drainage of aqueous humor cause?
A. Glaucoma
B. Extra tears
C. Cataract
D. Headache
A. Glaucoma
This light-sensitive layer lines the back of the eye and contains photoreceptors.
A. Optic Nerve
B. axons
C. vitreous
D. Retina
D. Retina
What is an Optician?
A. A health care professional who provides primary vision care, ranging from sight testing and correction to diagnosis, treatment, and management of vision changes.
B. A specialized member of the ophthalmic team, fabricates and fits patients with prostheses (artificial eyes or shells), which replace a surgically removed eye or cover an unsightly eye.
C. Someone who photographs the eye structures for diagnosis and documentation.
D. A technician trained to design, verify, and fit eyeglass lenses and frames, contact lenses, and other devices to correct eyesight.
D. A technician trained to design, verify, and fit eyeglass lenses and frames, contact lenses, and other devices to correct eyesight.
How many extraocular muscles are there?
A. 5
B. 4
C. 10
D. 6
D. 6
Each of the following are conditions that can occur along the eyelids EXCEPT?
A. Blepharitis
B. Chalazion
C. Entropion
D. Subconjunctival hemorrhage
D. Subconjunctival hemorrhage
What is the correct pathway of aqueous humor in the eye?
A. anterior chamber angle, trabecular meshwork, Schlemm canal, aqueous veins, venous vessels on the conjunctiva.
B. trabecular meshwork, ciliary body, Schlemm canal, venous vessels.
C. anterior chamber angle, trabecular meshwork, pupil.
D. trabecular meshwork, pupil, ciliary body, posterior chamber.
A. anterior chamber angle, trabecular meshwork, Schlemm canal, aqueous veins, venous vessels on the conjunctiva.
What is the name of the visual receptors that process color?
A. Rods
B. Cones
C. Ganglion
D. Bipolar
B. Cones
What is an Ocularist?
A. A specialized member of the ophthalmic team, that fabricates and fits patients with prostheses (artificial eyes or shells), which replace a surgically removed eye or cover an unsightly eye.
B. A health care professional who provides primary vision care, ranging from sight testing and correction to the diagnosis, treatment, and management of vision changes.
C. Someone who photographs the eye structures for diagnosis and documentation.
D. A technician trained to design, verify, and fit eyeglass lenses and frames.
A. A specialized member of the ophthalmic team, that fabricates and fits patients with prostheses (artificial eyes or shells), which replace a surgically removed eye or cover an unsightly eye.
What are the rectus muscles of the eye?
A. medial, lateral, superior, inferior.
B. superior, inferior, oblique.
C. medial, lateral, superior, trochlea.
D. medial, lateral, trochlea, oblique.
A. medial, lateral, superior, inferior.
A row of tiny openings of oil-secreting glands that are hidden along the tissue of the eyelids are called?
A. chalazion
B. meibomian glands
C. tarsus
D. lateral canthus
B. meibomian glands
This involuntary muscle, located within the iris, contracts in bright light to constrict the pupil and limit the amount of light entering the eye.
A. lateral rectus muscle
B. Superior oblique muscle
C. sphincter muscle
D. choroid
C. sphincter muscle
What happens at the chiasmal junction?
A. All nerve fibers from the right eye cross to the left side of the brain and vice versa.
B. Some of the nasal and some of the temporal fibers of each optic nerve cross over to the other side.
C. The nasal fibers of each optic nerve cross over to the other side.
D. The temporal nerve fibers of each optic nerve cross over to the other side.
C. The nasal fibers of each optic nerve cross over to the other side.
What is an Orthopist?
A. A medical MD or DO who specializes in eye and vision care.
B. A health care professional who provides primary vision care, ranging from sight testing and correction to the diagnosis, treatment, and management of vision changes.
C. A specialized member of the ophthalmic medical personnel team. Areas of expertise include testing visual function, particularly in infants and children; evaluate eye muscle and alignment disorders and evaluate impairments binocular vision.
D. A specialized member of the ophthalmic team that fabricates and fits patients with prostheses.
C. A specialized member of the ophthalmic medical personnel team. Areas of expertise include testing visual function, particularly in infants and children; evaluate eye muscle and alignment disorders and evaluate impairments binocular vision.
If the extraocular muscles do not work in a coordinated manner, the eyes become misaligned and vision may be disturbed. What is this called?
A. Anisocoria
B. Strabismus
C. Amblyopia
D. Blepharitis
B. Strabismus
If the levator muscle loses its ability to lift the eyelid to its fullest extent, resulting in drooping. This is called?
A. ectropion
B. entropion
C. blepharitis
D. ptosis
D. ptosis
What 3 main parts does the Uvea consist of?
A. ciliary body, pupil, iris
B. iris, ciliary body, choroid
C. choroid, iris, lens
D. Schlemm canal, choroid, iris
B. iris, ciliary body, choroid
This central pit in the retina is made of closely packed cones and is the area of greatest visual acuity.
A. fovea
B. ganglion cells
C. axons
D. cones
A. fovea
What is an Optometrist?
A. Completes 2-4 years of education and an exam to be licensed as a professional. Has undergone general nursing training and has had additional ophthalmic nursing training.
B. Specialized member of the ophthalmic team that fabricates and fits patients with prostheses (artificial eyes or shells).
C. A health care professional who provides primary vision care, ranging from sight testing and correction to diagnosis, treatment, and management of vision changes.
D. An MD who specializes in eye and vision care. Has completed college and at least 8 years additional medical training .
C. A health care professional who provides primary vision care, ranging from sight testing and correction to diagnosis, treatment, and management of vision changes.
The process by which the brain blends the separate images received from both eyes into one single image is called?
A. Diplopia
B. Amblyopia
C. Fusion
D. Trichiasis
C. Fusion
The third layer of the eyelids, the conjunctiva, houses an elaborate network of fine blood vessels that help nourish the underlying tissue of the eyeball. One common problem that can occur in the conjunctiva that causes the blood vessels to swell, making it appear red is called?
A. Conjunctivitis (allergic or infection)
B. bulbar conjunctiva
C. blepharitis
D. subconjunctival hemorrhage
A. Conjunctivitis (allergic or infection)
What is the condition that usually appears around age 45 when a significant amount of the lens's ability to increase curvature is lost and the individual is no longer able to focus on very near objects?
A. diplopia
B. myopia
C. presbyopia
D. hyperopia
C. presbyopia
This structure, often called the "blind spot," is where the optic nerve and blood vessels exit the back of the eye.
A. cup
B. bipolar cells
C. physiologic blind-spot
D. optic chiasm
C. physiologic blind-spot