VIESTENZ, A. Evaluating the eye's rotational stability during standard photography : effect on determining the axial orientation of toric intraocular lenses. J Cataract Refract Surg. 2005, 31, 557-561
LANGENBUCHER, A. Toric intraocular lenses-theory, matrix calculations, and clinical practice. J Refract Surg. 2009, 25, 611-622
CAREY, PJ. Assessment of toric intraocular lens alignment by a refractive power corneal analyzer system and slitlamp observation. J Cataract Refract Surg. 2010, 36, 222-229