• ISRS Webinar: Dysfunctional Lens Syndrome: Identification Staging and Management Description: This presentation by Dr. George O. Waring IV (United States) was part of ISRS’ webinar for members, Cornea vs. Lens Based Correction of Presbyopia. In this ISRS webinar, Dr. Ashvin Agarwal began by providing an overview of presbyopia. Dr. Dan Z. Reinstein then provided an overview of presbyopic corneal laser refractive surgery and Dr. David Smadja will present on how nano particles can treat presbyopia. Subspecialty: Refractive Management / Intervention Level: Intermediate Uploaded By: ISRS Multimedia Library