RT info:eu-repo/semantics/bachelorThesis T1 Desarrollo de un cuestionario acerca del uso de lentes de contacto por la población présbita A1 Río Castro, Sara del A2 Universidad de Valladolid. Facultad de Ciencias K1 Lentes de contacto AB Purpose: Multifocal contact lens use is not extended in presbyopic population in Spain. The aim of this work is to develop a questionnaire to investigate the reasons of this lack of use among the target population of these contact lenses.Methods: A bibliographic review was performed in order to analyse thescientific paper published related to presbyopia and contact lenses, as well asthe design of questionnaires about multifocal contact lenses. With thisinformation, it was created a group of experts which developed the items to askin the questionnaire.Results: A questionnaire was developed selecting by brainstorming the items that should be present on it. Then, it was held a meeting with a small sample of the target population to take into account their point of view. Finally, the questionnaire was validated following Delphi method.Conclusions: an 85 items questionnaire has been developed to investigate the reasons why multifocal contact lenses are not used among the presbyopic population. YR 2014 FD 2014 LK http://uvadoc.uva.es/handle/10324/6714 UL http://uvadoc.uva.es/handle/10324/6714 LA spa DS UVaDOC RD 19-sep-2024