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© Springer International Publishing AG 2018Jean-Luc Febbraro, Hamza N. Khan and Douglas D. Koch (eds.)Surgical Correction of Astigmatismhttps://doi.org/10.1007/978-3-319-56565-1_1 1. Combining Astigmatism Correction with Cataract Surgery: A Personal Crusade Robert Osher1   (1) Professor of Ophthalmology, University of Cincinnati…

Astigmatism (in diop) 40–50yo 50–60yo 60–70yo 70–80yo 80 + yo For with-the-rule and oblique astigmatism 1.00–1.50 60°(1) 50°(1) 50°(1) 40°(1) 30°(1) 1.50–2.00 70°(1) 70°(1) 70°(1) 60°(1) 60°(1) 2.00–2.50 60°(2) 60°(2)…