Krisenstrategien der Kliniken während der Pandemie Hintergrund Die SARS-CoV-2(Severe Acute Respiratory Syndrome Coronavirus 2)-Pandemie hat während der ersten Monate des Jahres 2020 weltweit zu tiefgreifenden Veränderungen der medizinischen Versorgung mit massiven Einschränkungen bei chirurgischen Eingriffen und nichtdringlichen ambulanten wie stationären Behandlungen geführt [1-4]. Es wird geschätzt, dass weltweit und fächerübergreifend allein in den ersten 12 Wochen der Pandemie 28.404.603 Operationen, d. h. 2.367.050 Operationen pro Woche aufgrund von COVID-19 (Coronavirus-Krankheit-2019) abgesagt wurden [5]. Im Zuge der Umstellung der Kliniken auf die zu erwartende Versorgung von COVID-19-Patienten mit Bereitstellung möglichst großer Intensivbettenkapazitäten und Beatmungsplätzen ist es dabei v. a. zu erheblichen Einschränkungen bei der Durchführung elektiver Eingriffe gekommen [6, 7]. Aufgrund der dadurch entstandenen konkurrierenden Situation um stationäre Behandlungsplätze sowie Die Mitglieder der Vereinigung Ophthalmologischer Lehrstuhlinhaber werden am Beitragsende in. Tab. 1 gelistet.

PurposeTo compare corneal tomography measurements (elevation and pachymetry) as made by two corneal tomographers: Pentacam AXL and CASIA 2.Material and methodsThe devices were used in a standard measuring mode. 77 normal eyes were measured five times with both devices. The data maps for anterior and posterior corneal elevation and pachymetry were exported and analyzed. Repeatability and average values were calculated for each valid data point on the exported data maps. We also calculated a corrected repeatability of the elevation data maps by removing rotation, tilt, and decentration through realignment of the elevation measurement of each eye prior to analyzing the variations in the measurement usingthe same method as for the repeatability.ResultsPentacam AXL offered the better (corrected) repeatability for anterior corneal elevation measurements. CASIA 2 offered better repeatability for the pachymetry measurements. The tomographers could not be used interchangeably. The central corneal thickness was measured 9 μm ± 3 μm larger when measured with Pentacam AXL compared to CASIA 2.

Acanthamoeba keratitis is a rare and often very late diagnosed disease and two thirds of the cases were initially misdiagnosed. The early recognition of the typical symptoms is crucial for the prognosis of the disease. All ophthalmological departments in Germany are invited to submit further data of all confirmed cases (berthold.seitz@uks.eu), whether retrospectively or prospectively in order to generate an adequate standardized diagnostic and therapeutic approach for this potentially devastating disease.

Visual performance with a multifocal diffractive add-on IOL was equivalent to that achieved with a commonly used multifocal diffractive PC IOL.

To investigate the impact of intraocular lens (IOL) decentration ≤±1  mm and IOL tilt ≤±10° on the fixation axis and spherical equivalent refraction (SE), 50 pseudo-phakic eyes were simulated using numerical ray-tracing. We computed the position of the object point whose image ends up at the virtual fovea for each scenario and estimated the corresponding change of fixation axis and SE. The eye turned opposite to the direction of IOL decentration or tilt to compensate for the associated prismatic effect (angle <1.2°). Decentration of the aspheric IOL resulted in a hyperopic shift (<0.57 D), and tilt in a myopic shift (<0.77 D).