Artificial intelligence applications in different imaging modalities for corneal topography.

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Abstract

Interpretation of topographical maps used to detect corneal ectasias requires a high level of expertise. Several artificial intelligence (AI) technologies have attempted to interpret topographic maps. The purpose of this study is to provide a review of AI algorithms in corneal topography from the perspectives of an eye care professional (ECP), a biomedical engineer, and a data scientist. A systematic literature review of Web of Science, Pubmed, Google Scholar was performed from 2010 to 2020 on themes regarding imaging modalities, their parameters, purpose, and conclusions; their samples and performance related to AI in corneal topography. We provide a comprehensive summary of advances in corneal imaging and its applications in AI. Combined metrics from the Dual Scheimpflug and Placido device could be a good starting point to try AI models in corneal imaging systems. The range of Area Under the Receiving Operating Curve for AI in keratoconus detection and classification was from 0.87 to 1, sensitivity was from 0.89 to 1 and specificity was from 0.82 to 1. A combination of different types of AI applications to corneal ectasia diagnosis is recommended.Copyright © 2021 Elsevier Ltd. All rights reserved.