[Atopic keratoconjunctivitis: One allergy may mask another. A clinical observation with two types of hypersensitivity reactions: IgE-mediated and non-IgE-mediated].

Allergies are frequently implicated in ophthalmologic practice. These typically benign allergies can be potentially severe for the ocular surface and have an impact in everyday life. We relate, through a case of keratoconjunctivitis involving 2 types of hypersensitivity, the various triggers and therapeutic choices to allow a more effective treatment.