Part 1: Introduction -- Chapter 1.Implantation of artificial intraocular lenses-a brief history (Thomas Neuhann) -- Chapter 2. Epidemiology (Lukas Bisorca-Gassendorf) -- Chapter 3. Anatomy and physiology of the anterior segment (Andreas Ohlmann) -- Chapter 4. Cataract forms and grading (Christopher Wirbelauer) -- Chapter 5. Optical principles (Kerstin Petermann) -- Chapter 6. Digital Lens insurgery (Wolfgang J. Mayer) -- Part 2: Examination -- Chapter 7. Medical history (Johannes H. Burger) -- Chapter 8. Testing of visual function: visual acuity refraction contrast sensitivity (Bettina von Livonius) -- Chapter 9. Assessment of optical phenomena (Gernot Steinwender) -- Chapter 10. Slit lamp examination (Gernot Steinwender) -- Chapter 11. Binocular vison and motility (Oliver Ehrt) -- Chapter 12. Measurement of intraocular pressure (Matthias Nobl) -- Chapter 13. Eyelids (Christoph Hintschich) -- Chapter 14. Optical biometry (Oliver Findl) -- Chapter 15. Scheimpflug tomography and measurement of higher order aberrations (Jens Bühren) -- Chapter 16. OCT of the anterior segment (Nikolaus Luft) -- Chapter 17. OCT of the posterior segment (Jakob Siedlecki) -- Chapter 18. Measurement of endothelial cells (Gernot Steinwender) -- Chapter 19. Tear film analysis (Anna Maria Schuh) -- Chapter 20. Pupillometry (Helmut Wilhelm) -- Chapter 21. Congenital and childhood cataract: Examination and indication for newborns and children (Günther Rudolph) -- Chapter 22. Anaesthesia for cataract surgery (Friedrich Lersch) -- Part 3: Choosing the right lens.-Chapter 23. Design and material of intraocular lenses (Gerd U. Auffarth) -- Chapter 24. General introduction to IOL calculation (Peter Hoffmann) -- Chapter 25. Formula optimisation and use of the IOL WEB platform IOLCon (Achim Langenbucher).