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Open AccessFeature PaperArticle

3D Printed Personalized Corneal Models as a Tool for Improving Patient’s Knowledge of an Asymmetric Disease

Department of Structures, Construction and Graphical Expression, Technical University of Cartagena, 30202 Cartagena, Spain
Technology Centre for IT and Communications (CENTIC), Scientific Park of Murcia, 30100 Murcia, Spain
Division of Ophthalmology, Miguel Hernández University, 03550 Alicante, Spain
Keratoconus Unit of Vissum Corporation, 03016 Alicante, Spain
Department of Refractive Surgery, Vissum Corporation, 03016 Alicante, Spain
Author to whom correspondence should be addressed.
Symmetry 2020, 12(1), 151;
Received: 19 December 2019 / Revised: 7 January 2020 / Accepted: 9 January 2020 / Published: 11 January 2020
(This article belongs to the Special Issue Symmetry in Engineering Sciences II)
Additive manufacturing is a vanguard technology that is currently being used in several fields in medicine. This study aims to evaluate the viability in clinical practice of a patient-specific 3D model that helps to improve the strategies of the doctor-patient assistance. Data obtained from a corneal topographer were used to make a virtual 3D model by using CAD software, to later print this model by FDM and get an exact replica of each patient’s cornea in consultation. Used CAD and printing software were open-source, and the printing material was biodegradable and its cost was low. Clinic users gave their feedback by means of a survey about their feelings when perceiving with their senses their own printed cornea. There was 82 surveyed, 73.8% (9.74; SD: 0.45) of them considered that the model had helped them a lot to understand their disease, expressing 100% of them their intention of taking home the printed model. The majority highlighted that this new concept improves both quality and clinical service in consultation. Custom-made individualized printed models allow a new patient-oriented perspective that may improve the communication strategy from the ophthalmologist to the patient, easing patient’s understanding of their asymmetric disease and its later treatment. View Full-Text
Keywords: computer-aided geometric design (CAGD); additive manufacturing (AM); scheimpflug; low cost computer-aided geometric design (CAGD); additive manufacturing (AM); scheimpflug; low cost
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Velázquez, J.S.; Cavas, F.; Bolarín, J.M.; Alió, J.L. 3D Printed Personalized Corneal Models as a Tool for Improving Patient’s Knowledge of an Asymmetric Disease. Symmetry 2020, 12, 151.

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