system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
To check power of IOL, which formula is commonly used: March 2010
assistant
The correct answer is  Ans. C: SRK formula Sander's-Retzlaff-Kraff (SRK) formula is the widely used formula for calculating the power of the intraocular lens to be implanted. It is based on a statistical correlation between calculated and observed refractive error after intraocular implantation.