Exam 1 Flashcards
(313 cards)
most likely fracture facial bone
zygomatic bone
emmetropia
20/20 vision
myopia
nearsightedness
-larger than normal eye
-distant object is focused in front of retinal instead of on it
hypermetropia (hyperopia)
farsightedness
-shorter than normal eye
-distant object is out of focus when reaches retina and focuses behind retina
MOI of orbital fracture
blunt force to the eye
blowout fracture
medial wall and floor fracture
blown up fracture
orbital roof fracture
S&S of orbital fracture
-pain on orbit
-bruising and swelling
-trapped inferior rectus muscle (downward gaze)
management of orbital fractures
-shield the eye
-sensory (dermatome) for CN
-refer
-do not blow nose
periorbital contusion
-aka black eye
-MOI: direct trauma to outside eye
-S&S: swelling and bruising
MOI of corneal abrasions
direct contact to cornea or foreign object
S&S of corneal abrasions
-pain over cornea and conjunctiva
-feels like something in my eye
-blurred vision
-photophobia
-watery eyes
-conjunctival redness
-visualize the object
management of corneal abrasion
-immediate referral
-eye closed and patched
-confirmed via fluorescein strips and cobalt blue light
corneal or scleral laceration
-aka open globe
-MOI: blunt or sharp trauma or injury with projectile
-S&S: leakage or extrsusion
MOI of iritis
traumatic force to the eye (inflammatory response)
S&S of iritis
-pain
-burning in the eye
-photophobia
-pupil slow to react to light
-pupil may be restricted
MOI of hyphema
-blunt trauma
-spontaneous (hemophilia or sickle cell anemia)
S&S of hyphema
pain
impaired vision
management of hyphema
patch or shield the eye
refer to ER
MOI of retinal detachment
-jarring force to the head
-sneezing
-spontaneous (Marfan’s)
S&S of retinal detachment
-flashes of light, halos, or blind spots
-curtain comes down
MOI of ruptured globe
severe blunt trauma to globe
S&S of ruptured globe
-irregular pupil
-vision is absent or decreased
-obvious deformity
-hyphema
-appearance of foreign substance buldging outward from sclera
management of ruptured globe
-medical emergency
-eyes shielded but not patched