Effects of capsular tension ring on surgical outcomes of premium intraocular lens in patients with suspected zonular weakness.

PURPOSE:To assess the influence of capsular tension ring (CTR) on surgical outcomes of toric and multifocal intraocular lenses (IOLs) in eyes at high risk of zonular instability.METHODS:Fifty-five eyes of 43 patients who had undergone phacoemulsification and IOL implantation were included in the analysis.They had some risk of zonular weakness, such

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The Tendaguru Formation (Late Jurassic to Early Cretaceous, southern Tanzania): definition, palaeoenvironments, and sequence stratigraphy

The well-known Late Jurassic to Early Cretaceous Tendaguru Beds of southern Tanzania have yielded fossil plant remains, invertebrates and vertebrates, notably dinosaurs, of exceptional scientific importance.Based on data of the German-Tanzanian Tendaguru Expedition 2000 and previous studies, and in accordance with the international stratigraphic gu

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