Ophthal Flashcards
What nerve are we checking for with EOM with an orbital fracture?
Infra–orbital nerve
What kind of lesion represents herpes keratitis?
Dendritic
Where is the tear from retinal detachment most common?
Superior temporal area
What is classically described as a curtain being drawn over the eye from the top to the bottom?
Retinal Detachment
What is the leading cause of irreversible central vision loss?
Macular Degeneration
How is the metamorphosis of macular degeneration best measured?
Amsler Grid
What is the leading cause of blindness in USA?
Diabetic retinopathy
An impediment through what structure leads to glaucoma?
Canal of Schlemm
Which kind of glaucoma is most common?
Open Angle
What is the main symptom of glaucoma?
Peripheral visual field loss
What is periorbital cellulitis primarily associated with?
Sinusitis
WHEN is dacryostenosis most common and what is the treatment?
Newborns. Symptomatic treatment.
What is involved with internal hordeolum and what is the common pathogen?
Meibomian gland, Staph Aureus.
What is the most common pathogens of bacterial conjunctivitis?
Strep Pneumonia, S Aureus and H Flu
What two diseases are caused by Neisseria?
Gonorrhea and Meningitis
What do we call a yellowish, fleshy conjunctival mass typically on the nasal side?
Pinguecula
What are the main causes of papilledema?
Malignant HTN, increased intracranial pressure and pseudotumor cerebri.
How will papilledema appear?
Disc swollen with margins blurred and obliteration of the vessels.
What are the two most common causes of transient vision loss?
Emboli (amaurosis fugax) or giant cell (temporal) arteritis.
What causes sudden vision loss?
Central retinal vein occlusion, optic neuropathy, papillitis or retrobulbar neuritis
What is the most common cause of amblyopia?
Strabismus
What is blue / cyanotic discoloration of the sclera associated with?
Osteogenesis Imperfecta
