Approximately 30% of patients who receive a multifocal IOL or monovision correction are more than .50 D off in cylinder or sphere. While many surgeons treat this slight residual error with laser, Dr. James McDonald reaches for his diamond blade and performs a mini-radial keratotomy. In today's discussion, Dr. McDonald explains how to perform this simple, effective technique as an alternative to laser touch-up.

Financial Disclosures: Lisa Arbisser, MD, receives lecture fees from Alcon Laboratories. James McDonald, MD, receives lecture or consulting fees from AcuFocus, Addition Technology, Alcon Laboratories, Bausch & Lomb, Inspire Pharmaceuticals, Ista Pharmaceuticals and Kolis Sceintific.