The rayban effect is a modern problem for girls on the prowl, it is becoming increasingly harder to differentiate between true babes and guys under the rayban effect.
These men come under two categories, as seen below; with the option of mid range rayban effect as well.
High rayban effect: Hot with glasses, not without.
Low rayban effect: Hotness is simply ENHANCED with raybans, guy is still hot without.
Girl on the prowl no.2: "Hmm..Potentially high I suggest we try get a profile view, it always helps."
Guy with rayban effect turns to side (and/or) removes sunglasses.
Girls no.1 & no.2: "ohh dear, it's a high. lets move on."