In Proceedings of the Cambridge Philological Society N.S. 14 (1968), 68, D. C. C. Young drew attention to a curious variant in the text of Longus 2.2.1, where, in a description of how, at the vintage, women ‘eyed’ Daphnis, A has 
concluding that ‘brothers’ must be a colloquial expression for ‘eyes’, he was however unable to cite any other example of this usage, but compared
‘picked men’, in Paulus Silentiarius (A.P. 5. 270), a locution found in a small range of other authors (Sophron, Callimachus, and Nicander, and in a number of lexicographers), as well as
‘comrades on the flank, bystanders’
‘twins’ = testicles, and French jumelles - binoculars.