• Multifocal IOL Explantation Description: Multifocal IOL Explantation Based on Abnormal Pseudophakic Wavefont Aberrometry (David F. Chang, United States) - Wavefront aberrometry shows HOA that appear to be coming from the IOL in this unhappy patient with a diffractive multifocal IOL who is s/p YAG capsulotomy. Significant zonular weakness is noted during the IOL exchange. Subspecialty: Cataract / Anterior Segment Level: Beginner Uploaded By: ISRS Multimedia Library