... Edited by Michael Goggin Astigmatism – Optics, Physiology and Management 10Artal, P., Guirao, A., Berrio, E. & Williams, D.R. (2001), 'Compensation of corneal aberrations by ... in a presbyopic population in Germany (Hoffmann & Hutz, 2010). Mean corneal astigmatism was 0.98±0.78 Astigmatism – Optics, Physiology and Management Edited by Michael Goggin ... 167-170, Elsevier Mosby, 0 323 03215 0, Philadelphia. MacInnis BJ. (1994). Chapter 15: Instruments. In: Optics & Refraction, Brent J McInnis, ed, pp. 156-172, Mosby, 0-8016-7999-0, St...