FYI, I emailed Allergan to find out if their drops that I use, Restasis and Refresh, are gluten-free. This is what I heard back:
Thank you for your interest in ALLERGAN and REFRESH® CLASSIC (polyvinyl alcohol 1.4%, providone 0/6%) Lubricant Eye Drops Preservative Free, RESTASIS® (cyclosporine ophthalmic emulsion) 0.05% Sterile, Preservative-Free, RESTASIS® ...