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Browsing by Author "Alfonso Elizalde, Laura Lizeth"

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  • Concept and application of teleoptometry

    Institución: Universidad de La Salle

    Revista: Ciencia y Tecnología para la Salud Visual y Ocular

    Autores: Acuña Gómez, Johanna Sareth; Jiménez Barbosa, Wilson Giovanni; Guerrero Rocha, Jenny Sofía; Durán Chaparro, Jenny Paola; Alfonso Elizalde, Laura Lizeth; Pastrán Pastrana, Luisa Gabriela; Villamizar Rodríguez, Yohana Mayerly; Acuña Gómez, Johanna Sareth; Jiménez Barbosa, Wilson Giovanni; Guerrero Rocha, Jenny Sofía; Durán Chaparro, Jenny Paola; Alfonso Elizalde, Laura Lizeth; Pastrán Pastrana, Luisa Gabriela; Villamizar Rodríguez, Yohana Mayerly; Acuña Gómez, Johanna Sareth; Jiménez Barbosa, Wilson Giovanni; Guerrero Rocha, Jenny Sofía; Durán Chaparro, Jenny Paola; Alfonso Elizalde, Laura Lizeth; Pastrán Pastrana, Luisa Gabriela; Villamizar Rodríguez, Yohana Mayerly

    Fecha de publicación en la Revista: 2016-01-01

    Fecha de cosecha en Ciencia Nacional: 2025-07-29

    <em><strong>Introduction</strong><em> Telemedicine is an alternative in health care that helps to eliminate access barriers that prevent displacement and timely assessment of users by health professionals, using data exchange through information and communication technologies (ICT). One of its applications is teleoptometry, which is a branch of visual health in the field of telemedicine, and which has been little explored worldwide. <em><strong>Objective</strong><em> To propose the concept of teleoptometry, and to define its scope, uses, and possible legal, economic, administrative, and healthcare limitations. <em><strong>Methods</strong><em> A qualitative, hermeneutical, and analytical research was developed through a literature search in academic databases and search engines, and a fieldwork based on interviews with optometrists. <em><strong>Results</strong><em> Literature search evidences the lack of the concept of teleoptometry and its poor application compared with teleophthalmology. The fieldwork showed that most respondents do not have a clear concept of teleoptometry nevertheless, they can consider possible uses and certain limitations. <em><strong>Conclusions</strong><em> Teleoptometry is responsible for primary eye care, detection of pathologies of the anterior segment and visual alterations, allowing early diagnosis, treatment and rehabilitation, using ICT, with prior training of professionals and technicians.
  • Repeatability and reproducibility of the measurements of corneal thickness and curvature obtained with Oculus Pentacam

    Institución: Universidad de La Salle

    Revista: Ciencia y Tecnología para la Salud Visual y Ocular

    Autores: Rodríguez Álvarez, Martha Fabiola; Alfonso Elizalde, Laura Lizeth; Nariño Roa, Paola Andrea; Rodríguez Álvarez, Martha Fabiola; Alfonso Elizalde, Laura Lizeth; Nariño Roa, Paola Andrea; Rodríguez Álvarez, Martha Fabiola; Alfonso Elizalde, Laura Lizeth; Nariño Roa, Paola Andrea

    Fecha de publicación en la Revista: 2014-01-01

    Fecha de cosecha en Ciencia Nacional: 2025-07-29

    <em><strong>Objective:</strong></em> To evaluate the repeatability and reproducibility of the measurements of corneal thickness and curvature obtained with the Oculus Pentacam of the University of La Salle. Materials and <em><strong>Methods:</strong></em> For the repeatability of the measurements of corneal curvature and thickness with the Pentacam, a single observer performed ten repetitions of ten eyes, and for reproducibility, two examiners executed, in separate sessions, three consecutive shots in both eyes of twenty healthy subjects. <em><strong>Results:</strong></em> As for reproducibility, the coefficient of variation of the measurements of corneal curvature was found to be between 0.2% and 0.4%, and in case of corneal thickness, it varied between 0.7% and 1.4%. The coefficient of interobserver variation for corneal curvature was between 3.6% and 4.0%, and for corneal thickness, between 4.9% and 7.9%. There were no statistical (p> 0.05) nor clinically significant differences between inter and intraobserver observations. The interobserver correlation coefficient was higher than 0.90 (p < 0.01). <em><strong>Conclusion:</strong></em> The measurements of corneal curvature and thickness obtained with the Oculus Pentacam are reliable, reproducible and repeatable.
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