Education is positively associated with macular pigment: The Irish Longitudinal Study on Ageing (TILDA). Nolan JM, Feeney J, Kenny RA, Cronin H, O’Regan C, Savva GM, Loughman J, Finucane C, Connolly E, Meagher K, Beatty S. Investigative Ophthalmology and Visual Science. November 2012.

Education is positively associated with macular pigment: The Irish Longitudinal Study on Ageing (TILDA). Nolan JM, Feeney J, Kenny RA, Cronin H, O’Regan C, Savva GM, Loughman J, Finucane C, Connolly E, Meagher K, Beatty S. Investigative Ophthalmology and Visual Science. November 2012.