Methods are provided for performing a surgical procedure using optical coherence tomography (OCT) including extracting lenticular material from within a capsular bag of the eye of a patient; placing a replacement lens within the capsular bag after extraction of the lenticular material from the capsular bag; acquiring a plurality of OCT images that visualize the placement of the replacement lens within the capsular bag; and determining from the plurality of OCT images a degree of contact of the posterior surface of the replacement lens with the posterior portion of the capsular bag.