<unk>  may be seen with different disorders: *Rosacea *Dry-eye syndrome *Blepharitis *Acute bacterial conjunctivitis *Trauma *Exposure keratopathy from poor eyelide closure *Ultraviolet or chemical burn *Contact lens-related disorder such as toxicity or tight lens syndrome *Trichiasis *Entropion or ectropion *Floppy eyelid syndrome *Chemotherapy i.e. cytosine arabinoside *Thygeson's Superficial<unk>  Keratopathy
Punctate epithelial erosions
Subepidermal calcified nodule
Aberrant crypt foci
Mucopurulent discharge
Pseudoverrucous papules and nodules
Cameron lesions
Pseudopolyps
Longitudinal erythronychia