1. From the Macular Pigment Research Group, Department of Chemical and Life Sciences (EDOC, JMN, SB, and LAM) and Department of Physical and Quantitative Sciences (JS), Waterford Institute of Technology, Waterford, Ireland; the Department of Ophthalmology, Waterford Regional Hospital, Waterford, Ireland (EDOC and SB); the Department of Anatomy, University College Dublin, Dublin, Ireland (EDOC); the