Ophthalmology - Review Questions
What systemic disease can cause dacroadentitis? ✔✔Sarcoidosis
What is the hallmark PE finding associated with orbital cellulitis? TEST QUESTION ✔✔Reduced Visual
Acuity
What layer of the cornea, keeps the cornea dehydrated? ✔✔The endothelium
What topical steroid is known to potentially cause cataracts? ✔✔Lotoprednol
What are the functions of the ciliary body? ✔✔Produce aqueous humor, and accomodation
What component of the ANS innervates the ciliary muscle of the ciliary body? What is this muscle's
function? ✔✔It is innervated by the autonomic branch of the parasympathetic nervous system.
Contraction of this muscle releases tension on the zonules of zinn, which allows the lens to assume a
more convex shape.
The iris is comprised of two muscles. What are they, how are they innervated and what function do they
serve? ✔✔1) Dilator pupillae / sympathetic innervation / mydriasis 2) Sphincter pupillae /
parasympathetic innervation / miosis
Vasculopathic, Tumor, Trauma, and Congenital are all etiologies assoc with what cranial nerve
dysfunction? ✔✔4th CN
Vasculopathic, Tumor, and Increased ICP are etiologies associated with what CN palsy? ✔✔6th CN
What are the 5 refractory media of the eye? ✔✔Tear film, cornea, aqueous, lens, vitreous
What diseases can mimic central retinal artery occlusion? ✔✔Tay Sachs and Neimann Pick disease
Vasculopathic, Tumor, and Aneurysm are all etiologies associated with dysfunction of what CN? ✔✔3rd
CN
Blood and thunder fundus is indicative of what condition? What are two etiologies of this condition?
✔✔Central Retinal Vein Occlusion; Diabetes and HTN
What is the likely cause of central retinal vein occlusion? ✔✔Thrombus
What are the 3 true ocular emergenices? ✔✔Penetrating trauma to the eye, chemicals in the eye,
sudden vision loss
What cranial nerves come from the medulla? ✔✔CN's IX and XII
What finding is typically found in both wet and dry forms of macular degeneration? ✔✔Drusen
(yellowish spots on the retina which are formed by metabolic waste products from the photoreceptors)
