For instance, says Harp, the Boston Eye and Ear Infirmary is involved in patent litigation with QLT Incorporated (nyse: QLTI - news - people ), a Vancouver-based firm specializing in light-activated drugs.
And how will both fare against other treatments, such as Visudyne, the gold standard from QLT Therapeutics (nasdaq: QLTI - news - people ) and Novartis (nyse: NVS - news - people ) and Alcon 's (nyse: ALC - news - people ) experimental Retaane.