Signs & Symptoms Flashcards
what are the 3 Cs for describing the optic disc in fundoscopy
contour, colour, cup
in which conditions is the cup:disc ratio relevant
papilledema, glaucoma
where would a lesion causing right monocular vision loss be
right optic nerve
where would a lesion causing a right homonymous hemianopia be
left optic tract
where would a lesion causing bitemporal hemianopia be
optic chiasm
where would a lesion causing a superior quadrantonopia be
temporal lobe
where would a lesion causing an inferior quandrantonopia be
parietal lobe
where would a lesion causing right hemianopia but sparing the macula be
left primary visual cortex
what examination is first like for diplopia
cover test
what is esotropia
eye turns in on cover test
what is exotropia
eye turns out on cover test
what is hypertropia
eye turns down on cover test
what is hypotropia
eye turns up on cover test
what muscles could be responsible for horizontal diplopia
lateral rectus or medial rectus
what muscles could be responsible for vertical diplopia
superior oblique, superior rectus, inferior rectus, inferior oblique
what is astigmatism
irregular corneal curvature
what is presbyopia
requiring reading glasses over 50 years old
what is myopia
short sighted
what is hypermetropia
far sighted
what is ptosis
droopy upper eyelid
what is amblyopia
unilateral < vision
what is stabismus
eyes misaligned; lazy eye
what is a mydriatic pupil
non-physiologically enlarged pupil
what is a miotic pupil
non-physiologically constricted pupil
what is a cause of a miotic pupil
horner’s syndrome
what is the presentation of horner’s syndrome
miosis, ptosis, anhydrosis
what is the pathology of horner’s syndrome
compressed cervical sympathetic trunk
what is a cause of a fixed pin point pupil
opiates
what is a cause of a fixed dilated pupil
CNIII palsy
what does RAPD stand for
relative afferent pupillary defect
what test detects a RAPD
swinging light test
what is rubeosis iridis
neovascularisation of the iris
what is synechiae
irregularly shaped pupil
what is a hypopyon
inflammatory infiltrate in anterior chamber
what structure of the eye is effected by keratic precipitates
cornea
what is trichiasis
intorsion of the eyelashes
what is chemosis
conjunctival swelling