Midterm - external eye exam conditions images Flashcards
Corneal scarring
Grayish white opacity from old injury or keratitis (inflammation of cornea). Cloudiness may overlap pupil edges
Kaiser-Fleisher Ring
golden to red-brown ring in periphery of cornea. Caused by copper deposition, suggests Wilson Disease
Corneal abrasion
Painful on initial inspection. Can mimic infection, but history will have foreign object or trauma.
Corneal infection
Corneal Ulcer (infectious keratitis)
Caused by bacteria, fungal, parasitic.
dendritic lesions = herpes simplex keratitis
Acute iritis/ anterior uveitis
Synechia from acute iritis/ anterior uveitis
affected pupil is smaller and will NOT dilate
Acute angle closure glaucoma/ narrow angle glaucoma
sudden increase in intraocular pressure happens when aqueous humor drainage is blocked.
symptoms: acute onset with severe, deep, aching pain in the eye (unilateral). Redness, blurry vision, dilated pupils, headache, nausea, vomiting.
Coloboma
absence or defect of iris tissue
Prolapsed iris
Adie’s tonic pupil
Due to parasympathetic neve degeneration. May have blurry vision and photophobia
(Right) CN 3 palsy
ptosis
Horner Syndrome
miosis, ptosis, [facial] anhidrosis
Argyll-Robertson pupils
bilaterally small, irregular shaped pupils.
do not react to light, do accommodate
Dacryoadenitis
lacrimal gland