Abstract

RAMIREZ-MIRANDA, Arturo et al. Importance and use of corneal biomechanics and its diagnostic utility. Cir. cir. [online]. 2023, vol.91, n.6, pp.848-857.  Epub Jan 30, 2024. ISSN 2444-054X.  https://doi.org/10.24875/ciru.23000260.

The study of corneal biomechanics has become relevant in recent years due to its possible applications in the diagnosis, management, and treatment of various diseases such as glaucoma, keratorefractive surgery and different corneal diseases. The clinical biomechanical investigation has become of great importance in the setting of refractive surgery to identify patients at higher risk of developing iatrogenic ectasia. This review focuses on two of the technologies available for clinical use, the Ocular Response Analyzer (Reichert Ophthalmic Instruments, Buffalo, NY, USA) and the Corvis ST (Oculus Optikgergäte GmbH, Wetzlar, Germany). Both are non-contact tonometers that provided a clinical evaluation of corneal biomechanics. The fundamentals and main parameters of each device are described, as well as their use in eye surgery and the corneal biomechanical behavior in eye diseases. Finally, we will discuss the more recent Brillouin microscopy biomechanical analysis, and the integration Scheimpflug-based corneal tomography and biomechanical data with artificial intelligence to increase accuracy to detect risk of ectasia.

Keywords : Dynamic bidirectional applanation tonometry; Contactless Scheimpflug tonometry; Corneal biomechanics.

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