Short-term refractive and corneal astigmatism after canal-based microinvasive glaucoma surgery.

ABSTRACT:

Purpose

To investigate changes in refractive and corneal astigmatism after Hydrus Microstent (Alcon Inc., Geneva, Switzerland) implantation during microinvasive glaucoma surgery.

Setting

One German medical center.

Design

Retrospective, non-randomized, observational cohort study.

Methods

Subjective refraction was obtained mandatorily and keratometry (Pentacam, OCULUS Optikgeräte GmbH, Wetzlar, Germany) optionally preoperatively and after 3 months (D90). Refractive astigmatism was analyzed using three-dimensional (3D) power vectors, including the spherical equivalent, M, the Jackson cross-cylinder projections to the 0° and 90° meridian (J0) and to the 45° and 135° meridian (J45), and the blurring power vector B. Corneal anterior and posterior surface astigmatism

SUBMITTER: Englisch CN 

PROVIDER: S-EPMC12782394 | biostudies-literature | 2026

REPOSITORIES: biostudies-literature