<prompt> SRK formula is used to calculatePower of intraocular lensCorneal curvatureCorneal endothelial cell countExtent of retinal detachment  <response>: Answer- A. Power of intraocular lensIntraocular lens power calculation :- Which requires Keratometry K, Axial length of eyeball or Biometry L and aconstant A. It is calculated by SRK formula:Power of IOL A- 2.5L -0.9K 