sensory Flashcards
what is pain?
a physiological response to an unpleasant stimuli
what is referred pain?
pain that is being felt in another part of the body than it actually is
what is presbyopia?
a progressive disorder that causes light and other objects to not be percieved correctly by our eyes
what is conjuctivitis?
an infection of the conjunctiva that presents with itchiness, mucus discharge, and redness
what are risk factors for conjunctivitis?
makeup, contact with people with conjunctivitis, eye drops usage
what is glaucoma?
increased occular pressure of the eyes
what does the glaucoma do the eye?
the increased pressure can cause ischemia and thus can cause blindness. this is the second leading cause of blindness in adults
what is the number 1 cause of blindness?
diabetic retinopathy
what are cataracts?
an occlusion of the lens
what are some risk factors for cataracts?
family history, smoking
what is macular degenration?
deterioration of the macula and the retina
what are manifestations of macular degenration?
cloudy or blurry vision, blindness
what are some risk factors of macular degenration?
family history, smoking, exposure to uv rays
what is retinal detatchment?
when the retina detaches from its accessory structures
what are the manifestations of retinal detatchment?
its often painless, but sometimes it can manifest as light flashes