Research supports use of Tangible-Hydra PEG coating for scleral lenses in dry eye Research supports use of Tangible-Hydra PEG coating for scleral lenses in dry eye Dry Eye Therapeutic and Diagnostic Devices are Improving Treatment → Posted in Uncategorized This content is for members only. Please become a member to gain access. Or, if you are already a member, please login below: Email you signed up with Password Remember Me Forgot Password Share this article: