Refractive Lens Exchange — Flashcards

Flashcard 1: In SRK formula, K is calculated by _____

Answer: keratometry

Flashcard 2: Hyperopic Photorefractive Keratectomy (PRK) is used for the treatment of _____

Answer: Hypermetropia

Flashcard 3: _____ is the tonometer of choice for post LASIK corneas.

Answer: Pascal

Flashcard 4: What is the most frequent post-op complication of LASIK?

Answer: Dry eye (Punctate epithelial erosions)

Flashcard 5: LASIK is used for the treatment of:

Answer: Myopia, Hypermetropia, and Astigmatism

Flashcard 6: _____ laser is used in the treatment of myopia.

Answer: Excimer

Flashcard 7: _____ IOL used to correct pre-existing astigmatism

Answer: Toric

Flashcard 8: ICRS is used for the mx of _____ and low myopia.

Answer: keratoconus

Flashcard 9: ICRS implantation is used for treatment of _____

Answer: Myopia and Keratoconus

Extra: Intracorneal Ring Segments (ICRS), such as Intacs, are thin plastic semi-circular rings inserted into the deep corneal stroma. 1. **Mechanism**: They flatten the central cornea. 2. **Indications**: - Mild to moderate myopia (-1.00 to -3.00 D). - Keratoconus (to reduce corneal irregularity and improve contact lens fit).