Chapter

Lacrimal Gland, Tear Film, and Dry Eye Syndromes 2

Volume 438 of the series Advances in Experimental Medicine and Biology pp 821-825

Use of a Questionnaire for the Diagnosis of Tear Film-Related Ocular Surface Disease

  • Maurizio RolandoAffiliated withDepartment of Ophthalmology, University of Genoa
  • , Angelo MacrìAffiliated withDepartment of Ophthalmology, University of Genoa
  • , Trillo CarlandreaAffiliated withDepartment of Ophthalmology, University of Genoa
  • , Giovanni CalabriaAffiliated withDepartment of Ophthalmology, University of Genoa

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Abstract

Dry eye is defined as a disorder of the tear film, due to tear deficiency and/or tear evaporation that causes damage to the ocular surface and is associated with symptoms of ocular discomfort. This definition clearly underlines that subjective symptoms have a relevant part in the manifestation of the disease. Although collecting ocular surface signs have become rather standardized, symptom collection and their relevance as a diagnostic indicator have not yet been established. Furthermore, the frequent incongruence between the level of ocular surface damage and symptomatic complaints are characteristic of dry eye.