Here you can find studies on
Most of these studies are in English.
Shiro Amano, Norihiko Honda, Yuki Amano, Satoru Yamagami, Takashi Miyai, Tomokazu Samejima, Miyuki Ogata, Kazunori Miyata
Ophthalmology, Volume 113, Issue 6, 2006, Pages 937-941
Link to the study
Tanja M. Rabsilber, Ramin Khoramnia, Gerd U. Auffarth
Journal of Cataract & Refractive Surgery, Volume 32, Issue 3, 2006, Pages 456-459
Wolf Buehl, Danijela Stojanac, Stefan Sacu, Wolfgang Drexler, Oliver Findl
American Journal of Ophthalmology, Volume 141, Issue 1, 2006, Pages 7-12.e1
Yaniv Barkana, Yariv Gerber, Uri Elbaz, Shulamit Schwartz, Gie Ken-Dror, Isaac Avni, David Zadok
Journal of Cataract & Refractive Surgery, Volume 31, Issue 9, 2005, Pages 1729-1735
Jorge Cazal, Cosme Lavin-Dapena, Jesus Marín, Carlos Vergés
American Journal of Ophthalmology, Volume 140, Issue 2, 2005, Pages 341-344