Disease [edit | edit source]. Floppy eyelid syndrome (FES) is an under-diagnosed entity characterized by chronic papillary conjunctivitis in upper palpebral conjunctiva that is poorly respondent to topical lubrication and steroids.asy eversion of the eyelid without excess manipulation or even spontaneous eversion is an important examination mark for FES with subsequent increased horizontal laxity and redundancy of the lid (Image courtesy of Cat Burkat, MD FACS) .