1. Repeatability of OCT-Based versus Scheimpflugand Reflection-Based Keratometry in Patients with Hyperosmolar and Normal Tear Film

    Repeatability of OCT-Based versus Scheimpflugand Reflection-Based Keratometry in Patients with Hyperosmolar and Normal Tear Film

    Purpose: To compare the repeatability of keratometry between different instruments in patients with hyperosmolar tear film and a control group. Patients and Methods: Subjects with tear-film osmolarity of 316 mOsm/L or more in either eye or 308 m/Osm/L or lower in both eyes were assigned to the hyperosmolar and the control group, respectively. The test eye was the eye with higher osmolarity in the hyperosmolar group and randomly chosen in the control group. The repeatability of keratometry was compared between a reflectometry device (Haag-Streit Lenstar 900), a Scheimpflug device (Oculus Pentacam HR) and two optical coherence tomography ...

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