CN II: The Optic Nerve Flashcards
Name the function of CN II: the optic nerve?
SENSORY: VISION
Name the term for the place in the visual field that corresponds to the lack of light detecting photoreceptorr cells?
BLIND SPOT
aka
SCOTOMA
What is the optic disorder where you can see better close up than far away?
MYOPIA
NEAR-SIGHTEDNESS
What is the optic disorder where you can see better far away than close up?
HYPEROPIA
FARSIGHTEDNESS
What is the optic disorder where a person also has difficulty focusing on an object that is close up?
PRESBYOPIA
A ______________ is a clouding of the lens most commonly due to aging.
CATARACT
Name the common eye condition in which the macula deteriorates?
MACULAR DEGENERATION
Name the leading cause of vision loss in persons older than 60 years of age?
AGE-RELATED MACULAR DEGENERATION
Name the term for a group of disorders that result in optic nerve damage, often associated with increased fluid intraocular pressure, and a decrease in peripheral vision?
GLAUCOMA
Name the small moving spots in your field of vision which generally don’t interfere?
EYE FLOATERS