“…As the principal rheologic ingredient of an OVD, Orcolon, it was marketed for human use in cataract surgery, but soon found to cause severe intractable glaucoma due to the formation of microgels that clogged the trabecular meshwork and could not be eliminated from the eye. Orcolon was rapidly removed from the market in North America and Europe, in 1991, but I have personally seen its continued sale in less affluent countries, as late as 2003 [3,27].…”