The present invention relates to a protective shield for mounting in front of a face of a wearer, in particular to a protective shield (10) for mounting in front of a face of a wearer (20) in an as worn orientation, with the shield extending across the eyes (21 ) and advantageously also across the nose (22) of the wearer, the protective shield comprising at least one arcuate lens portion (12) that, in the as worn orientation, curves across an eye of the wearer, the arcuate lens portion having a first, horizontal curvature extending in a horizontal direction and a second, vertical curvature extending in a vertical direction; characterized in that said second, vertical curvature is a horizontally varying vertical curvature (?).