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29 Cards in this Set

  • Front
  • Back
Cranial Nerves
II
Optic
III
Oculomotor-
Pupillary constriction, eye opening, most EOM's.
IV
Trochlear-
Downward--inward--movement of the eye.
V
Trigeminal--
sensory--corneal reflexes
VI
Abductens--
lateral deviation of the eye
VII
Facial--
expressions, closing eyes.
Extraocular Muscles control the six cardinal directions of gaze. List the Rectus muscles and CN innervation.
Superior Rectus--by CN III--
Lateral Rectus-- innervated by CN VI--
Inferior Rectus-- by CN III--
Medial Rectus-- by CN III--
List the oblique Muscles and innervation:
Inferior Oblique--by CN III--
Superior Oblique--by CN IV--
All lateral movement of the eye is innervated by CN_____.
VI
All superior and oblique movement of the eye is innervated by CN_____.
IV
Diagnal eye movement is controlled by CN______.
III
Red Flags are:
sudden loss of vision--
scotomas--(area of depressed vision)--
Flashing lights/new floaters--
diplopia (two images single object)--
Risk factors for glaucoma:
over age 65--
African American--
DM--
Myopia (nearsighted(--
Family Hx--
Ocular HTN--
Be sure to inspect the exterior eye structures using direct and ________ lighting.
Oblique
What are you looking for during the funduscopic exam?
Red reflex--
Optic disc--Margins--color--cup to disc ration--
Retina--arteries--veins--AV crossings, fovea, macula.
The posterior part of the eye that is seen through an ophthalmoscope is often call the_________ of the eye.
Fundus.
Lateral and slightly inferior to the disc is a small depression in the retinal surgace that marks the point of central vision. Around this darkened area is called the _____________.
Fovea.
The yellow roughly circular area with no discernible margins that surrounds the fovea is the _____________.
Macula.
When the pupil constricts with light directed in one eye is called a_______________ to light the opposite eye constriction is called a ________.
direct reaction--
Consentual reaction--
When you shift your gaze from far to near the pupils will _____________. This response is mediated by the __________ nerve.
Constrict.--
Oculomotor nerve--III
Along with the near reaction of the pupils one will see __________ of the eyes, which represents an _________ movement.
convergence--
extraocular--
Along with near reaction of the pupils one will also see___________ by the______ caused by constriction of the ciliary muscles.
accommodation--
lens--
The inferior and superior __________ give the eyelids their curved shape.
tarsal plates
Meibomian glands are?
A parallel row of glands along each eye lid margin.
The meibomian glands along with the lacrimal and conjunctival glands produce fluid that does what?
Protects the conjuctiva and cornea from drying and inhibits microbial growth, and gives a smooth optical surface to the cornea.
The ________ gland is hidden mostly within the bony orbit of the eye.
lacrimal
Tears follow the _________________ duct into the nose.
nasolacrimal
Aqueous humor is produced by the________________ and circulates from the posterior chamber through the pupil into the anterior chamber and drains out through the___________.
ciliary body--
canal of Schlemm.
Narrow angle glaucoma refers to what anatomical area of the eye?
The canal of Schlemm.