QuizWise 40 – Changes in Corneal Topography in Eyes with Keratoconus post Corneal Cross Linking

QuizWise :

1. What is the Dresden Protocol of corneal cross linking?

1. Epithelial debridement, 30 min of riboflavin dye instillation, then 30 min of UVA exposure (370 nm) at 3mW/cm2
2. NO Epithelial debridement, 30 min of riboflavin dye instillation, then 30 min of UVA exposure (370 nm) at 3mW/cm2
3. Epithelial debridement, 15 min of riboflavin dye instillation, then 15 min of UVA exposure (370 nm) at 3mW/cm2
4. Epithelial debridement, 30 min of riboflavin dye instillation, then 10 min of UVA exposure (370 nm) at 9 mW/cm2

2. Which of the following is a possible complication post-CXL?

1. Corneal haze
2. Endothelial cell damage and corneal edema
3. Herpetic keratitis
4. Post operative corneal infection
5. All of the above

QuizWise answers
Answer : 1. Epithelial debridement, 30 min of riboflavin dye instillation, then 30 min of UVA exposure (370 nm) at 3mW/cm2

Reference: Padmanabhan P, Rachapalle Reddi S, Rajagopal R, et al. Corneal Collagen Cross-Linking for Keratoconus in Paediatric Patients- Long Term Results. Cornea 2017 Feb;36(2):138-143

Answer 2: e. All of the above

Reference: Mohammadpour M, Masoumi A, et al. Updates on corneal collagen cross-linking: Indications, techniques and clinical outcomes. J Curr Ophthalmol. 2017;29(4):235-247.