A roller type window shade for directing daylight onto the ceiling of an associated room in which the shade is positioned on a window of such room, the shade comprising a polymer film having a width commensurate with the width of the associated window and length commensurate with the length of the associated window, said film having at least one microprismatic area integrally formed as part of said film and extending along the width of said shade for redirecting daylight upwardly toward the ceiling of the associated room, and whereby the position of the shade can increase or decrease both the daylight directing and image visible area of the associated window.
