Pair of glasses?
I guess you refer to the infamous Domino (1988), that was made more or less at the same time of Lo Zio Indegno.
A suppose to be an erotic and high art film staring Brigitte Nielsen (Soon after Stallone divorce) that ended in a boring drama, in which Kim had a small rol as a weird teen (with a Christian Slater look at the time) who has a crush with Domino (B.Nielsen) a film director.
At that time he made not only explotation Karate movies, explotation maffia series (Il Ricatto) but also explotation erotic ones on Films and TV (Domino, Valentina).
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A couple of years later Nielsen, whose career gone in one of biggest downhill, have an small but welcome comeback as the Black Witch, the main villian in Fantaghiro 2-5 opposite Alessandra Martines (in the title rol), Mario Adorf, Ursula Andress and Kim as Romualdo.
Despite of suppose to be Christmas PG TV movies for all the family, the Black Witch la Strega Nera rapes Romualdo in a very sexy and erotic way.
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Nielsen had a nymphomaniac fame in her youth. Kim Rossi Stuart perfectly could be another of her victims. Lucky guy I guess.