Reproducibility of peripapillary, optic nerve head and macular vessel density by OCT-A according to glaucoma severity staging.

Objective: To assess the reproducibility of peripapillary, optic nerve head (PP-ONH) and macular vessel density (VD) by Spectral Domain optical coherence tomography angiography (SD OCT-A) in glaucoma patients and healthy subjects.

Methods: Cross-sectional study assessing 63 eyes of 63 subjects, including 33 glaucoma patients and 30 healthy subjects. Glaucoma was classified in mild, moderate, or advanced.

Glaucoma medical treatment as a predictor of XEN45 subconjunctival gel implant hypotensive efficacy.

Purpose: The aim of this study was to determine the preoperative characteristics influencing hypotensive efficacy of the XEN45 gel stent in patients with open-angle glaucoma at one-year follow-up.

Materials And Methods: This was a retrospective multicentre study. All patients who underwent XEN45 gel stent implantation between January 2017 and January 2021 were included.

Ocular related emergencies in Spain during the COVID-19 pandemic, a multicenter study.

Purpose: To evaluate ophthalmological emergencies (OE) during the COVID-19 pandemic comparing them with the same period of the previous year.

Methods: Retrospective observational study of all OE visits in four tertiary hospitals in Spain comparing data from March 16th to April 30th, 2020 (COVID-19 period) and the same period of 2019 (pre-COVID-19 period). Severity of the conditions was assessed following Channa et al.