Last time in Materials and Design (http://www.cltoday.com/new/issue_011914.asp) we discussed utilizing topography to discover that the line of sight does not always run through the center of the cornea. This misalignment is problematic for multifocal contact lens wearers because they are do not look through the intended optics of their lenses.
Read More at: http://www.cltoday.com/issues/CLToday_020214.htm
