Diseases of the Cornea — Flashcards

Flashcard 111: _____ is used for the long-term preservation of cornea, up to 30 days

Answer: Modified Eagle's medium

Flashcard 112: Corneas tend to be slightly _____ just after a person awakes in the morning

Answer: thicker

Flashcard 113: Bilateral whorl-like corneal pattern of cream coloured lines on cornea is seen in _____

Answer: Vortex Keratopathy

Flashcard 114: What is the most common corneal degeneration?_____

Answer: Arcus senilis

Flashcard 115: In _____, pannus is characterized by progressive infiltration occurring ahead of vascularization.

Answer: Trachoma

Flashcard 116: _____ is used for the intermediate-term preservation of cornea, up to 7-14 days

Answer: Chondroitin sulfate-based media (e.g., Optisol-GS, Dexsol)

Extra: Corneal preservation methods based on duration: • Short-term (up to 4 days): M-K (McCarey-Kaufman) medium. • Intermediate-term (up to 2 weeks): Chondroitin sulfate-based media (e.g., Optisol-GS, Dexsol). • Long-term (up to 4 weeks): Organ culture (at 31°C to 37°C). • Very long-term: Cryopreservation.

Flashcard 117: _____ KPs are seen in Acute hemorrhagic uveitis

Answer: Red

Flashcard 118: _____ dystrophy is the least common corneal dystrophy

Answer: Macular

Flashcard 119: _____ eyedrops is the drug of choice for uncomplicated filamentous fungal keratitis, without intraocular or anterior chamber extension

Answer: Natamycin

Flashcard 120: Corneal rejection is said to be _____ when an elevated level of epithelium is noticed

Answer: epithelial