Article
Dry eye disease and tear film assessment through a novel non-invasive ocular surface analyzer: the OSA protocol
Author/s | Sánchez González, María del Carmen
Capote Puente, Raúl García Romera, Marta de la Concepción Hita Cantalejo, María Concepción de Bautista Llamas, María José Silva Viguera, María del Carmen Sánchez González, José María |
Department | Universidad de Sevilla. Departamento de Física de la Materia Condensada |
Publication Date | 2022 |
Deposit Date | 2023-04-17 |
Published in |
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Abstract | We describe the role of OSA as a new instrument in the study of dry
eye, and we recommend a protocol for conducting the tests as well as
describe the advantages and disadvantages compared with other instruments.
A ... We describe the role of OSA as a new instrument in the study of dry eye, and we recommend a protocol for conducting the tests as well as describe the advantages and disadvantages compared with other instruments. A comparison with other ocular surface devices (Tearscope Plus, Keratograph 5M, anterior-segment ocular coherence tomography, Easy Tear View-Plus, LipiView, IDRA, and LacryDiag) were presented due to manual or automatic procedure and objective or subjective measurements. The purpose of this study was to describe the OSA as new non-invasive dry eye disease diagnostic device. The OSA is a device that can provide accurate, non-invasive and easy-to-use parameters to specifically interpret distinct functions of the tear film. This OSA protocol proposed a lesser to higher non-invasive ocular surface dry eye disease tear film diagnostic methodology. A complete and exhaustive OSA and OSA Plus examination protocol was presented within the subjective questionnaire (Dry Eye Questionnaire 5, DEQ5), limbal and bulbar redness classification (within the Efron grade Scale, interferometry lipid layer thickness (LLT) (according to Guillon pattern), tear meniscus height (manually or automatic), first and mean non-invasive break up time (objective and automatic) and meibomian gland (MG) dysfunction grade and percentage (objective and automatic). The OSA and OSA Plus devices are novel and relevant dry eye disease diagnostic tools; however, the automatization and objectivity of the measurements can be increased in future software or device updates. The new non-invasive devices supposed represent a renewal in the dry eye disease diagnosis and introduce a tendency to replace the classic invasive techniques that supposed less reliability and reproducibility. |
Citation | Sánchez González, M.d.C., Capote Puente, R., García Romera, M.d.l.C., Hita Cantalejo, M.C.d., Bautista Llamas, M.J., Silva Viguera, M.d.C. y Sánchez González, J.M. (2022). Dry eye disease and tear film assessment through a novel non-invasive ocular surface analyzer: the OSA protocol. Frontiers in Medicine, 9, 938484. https://doi.org/10.3389/fmed.2022.938484. |
Files | Size | Format | View | Description |
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fmed-09-938484.pdf | 4.444Mb | [PDF] | View/ | |
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