Thursday, 8-4-Eye Examination Lab Flashcards
Confrontation examination is used to assess ___
Visual field
Amblyopia is ___
Lazy eye with permanently reduced visual acuity
__ is ocular ataxia or rhythmical oscillation of the eyes
Nystagmus
__ is associated with turning head-implications in evaluation of labyrinth/vestibular or CNS function
Nystagmus
Caloric reflex test or vestibular caloric reflex stimulation
__: near point constriction of pupil
Convergence
___: unequal size of pupils
Anisocoria
During the fundoscopic exam, the red reflex is the ___
During the fundoscopic exam, what are the structures of the posterior chamber that you are looking for?
Retina
Optic disc is nasal and inferior, 2 lateral and 2 nasal arterioles, and the macula is temporal
What is the most common organism responsible for bacterial conjunctivitis in adults? Children?
Adults: S aureus
Children: M catarrhalis
Is bacterial conjunctivitis normally uni- or bi-lateral?
Unilateral
Purulent discharge through the day and spread by direct contact
What virus is responsible for viral conjunctivitis?
Adenovirus
Describe viral conjunctivitis:
- spread by direct contact
- initially unilateral but quickly becomes bilateral
- clear discharge and may have follicular appearance on tarsal conjunctiva
- self limiting
How is allergic conjunctivitis distinguished from viral?
Bilateral redness, watery discharge, and itching
May have morning crusting
__ is acute purulent inflammation (sterile or S aureus) and is also known as a stye
Hordeolum
__ is when the Meibomian tear gland becomes obstructed. It is a painless, rubbery, nodular lesion often associated with blepharitis and roasacea
Chalazion
Generally found in eyelids
__ are cholesterol deposits around the eyes. They are benign and hyperlipidemia is present in 50% of adults with them
Xanthelasma