Fig. 1From: Early visual alterations in individuals at-risk of Alzheimer’s disease: a multidisciplinary approachFlow diagram of study participants. The participants without family history of AD (FH −) and non-carriers of ApoE ɛ4 (ApoE ɛ4 −) in green and the participants with family history of AD (FH +) and carriers of ApoE ɛ4 (ApoE ɛ4 +) in redBack to article page