Publications by authors named "T Kohnen"

Purpose: Our study presents a virtual reality-based tangent screen test (VTS) to measure subjective ocular deviations including torsion in nine directions of gaze. The test was compared to the analogous Harms tangent screen test (HTS).

Methods: We used an Oculus Go controller and head-mounted-display with rotation sensors to measure patient's head orientation for the VTS.

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Purpose: To determine characteristics and differences in intraocular lens (IOL) exchange between eyes with an open (OPC) and closed posterior capsule (CPC).

Setting: Department of Ophthalmology, Goethe-University, Frankfurt, Germany.

Design: Retrospective case series and review of literature.

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Background: Peer support programs may be effective for supporting breastfeeding among diverse groups, and in reducing disparities. This study provides insight regarding the implementation and outcomes of a peer breastfeeding support program.

Research Aims: (1) to examine how participation affected the outcomes of breastfeeding motivation, confidence, and coping strategies; and (2) to evaluate satisfaction with the program.

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Purpose: This study aims to evaluate the repeatability of posterior corneal surface and Zernike polynomial measurements of 2 different ocular biometers and Scheimpflug devices in keratoconus (KC) and healthy eyes.

Methods: This is a prospective, comparative study performed at the Department of Ophthalmology, Goethe-University Frankfurt, Germany. Included were KC and healthy eyes.

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