Diseases of the Cornea — Flashcards

Flashcard 101: Medical rx of bullous keratopathy includes the use of _____

Answer: hypertonic saline

Flashcard 102: Most common stromal dystrophy is _____ dystrophy

Answer: Lattice

Flashcard 103: Which stain is used to identify avellino dystrophy of the cornea?_____

Answer: Congo-red and Masson's trichrome

Flashcard 104: _____ Sign, is a V-shaped deformity of the lower lid on downward gaze, seen in keratoconus

Answer: Munson s

Flashcard 105: Keratoconjunctivitis sicca is due to the deficiency of the _____ layer of the tear film.

Answer: aqueous

Flashcard 106: The corneal layer involved in Grayson-Wilbrandt dystrophy is _____ membrane.

Answer: Bowman s

Flashcard 107: Violent _____ is common with ulcus serpens

Answer: iridocyclitis

Flashcard 108: Opacity is a _____ sign of trachoma

Answer: corneal

Flashcard 109: Hypopyon is fluid and mobile in _____ corneal ulcer

Answer: bacterial

Flashcard 110: What are the common causes of interstitial keratitis (IK)?

Answer: • Syphilis (most common; congenital) • Tuberculosis (TB) • Leprosy • Sarcoidosis • Viral (Herpes simplex, Zoster, Mumps) • Acanthamoeba (protozoal) • Cogan syndrome • Lyme disease

Extra: Interstitial keratitis (IK) is a non-ulcerative inflammation of the corneal stroma. Clinical features include: - Pain, photophobia, lacrimation. - "Salmon patch" appearance: Circumcorneal deep vascularization in the active stage. - Ghost vessels: Remnants of vessels seen in the healed stage.