French cult filmmaker Jean Rollin again explores some familiar themes in this effort from his latter days. The two title characters are girls played by Alexandra Pic and Isabelle Teboul. People think that they are blind, and they cannot in fact see during the daytime, but they see everything in shades of blue during the night. They bemoan the fact that they are doomed to an endless cycle of new "lives" and imminent "death", while putting the bite on various unlucky French citizens. Although a kindly eye doctor (Bernard Charnace) adopts them, they don't want to let a change of scenery keep them from their usual habits.
Adapted by Rollin from a series of novels he had written, this understandably comes as a disappointment to fans of his highly erotic (and superior) 1970s output. This is more tame due to the ages of his two leads, and yet it still does have some sex appeal, and much of the atmosphere that is inherent in his work. It's haunting, with a lovely score by Philippe D'Aram, and has a fairly amusing script wherein the girls equate themselves with Aztec goddesses (since they see themselves as not being truly immortal). The supporting cast is good, including such performers as Natalie Perrey (also the script supervisor) as Sister Martha, Gudule as the Mother Superior, Nada Le Hoangan as the sickly Virginia, and the stunning Veronique Djaouti as the "She-Wolf". In quick cameos we see Rollin favourite Brigitte Lahaie and the great Tina Aumont as a "ghoul".
Pic and Teboul do a good job of maintaining some viewer interest, even as the film goes on quite a long time and meanders a bit. Even as they're willing to do evil things, their childish playfulness prevents them from being completely disagreeable. And their devotion to each other holds firm, all the way to the conclusion that is as haunting as the majority of the film.
Overall, "Two Orphan Vampires" is a good, if not great, Rollin film.