Some titles you may be interested in:
 
_She Must Be Seeing Things_ (Sheila McaLaughlin, 1986)
_Desert Hearts_ (Donna Deitch, 1985)
_I've Heard the Mermaids Singing_ (Patricia Rozema, 1987)
_Lianna_ (John Sayles, 1983)
_Sotto Sotto_ (Lina Wertmuller, 1987 -- said to be very 'exploitative' in
  the reference I have)