A laminated optical film comprising an optical film (1) obtained by stretching a polymer film comprising a polycarbonate resin and a styrene resin, wherein a photoelastic coefficient is 2.0.times.10.sup.-11 to 6.0.times.10.sup.-11 m.sup.2/N, and a three dimensional refractive index is controlled, an optical film (2) showing optically positive uniaxial property that satisfies a relationship of nx.sub.2>ny.sub.2.apprxeq.nz.sub.2, and an optical film (3) formed of a material showing optically negative uniaxial property, and the material being tilting aligned, enables inhibition of coloring of display image for observation of a display picture in a diagonal direction to normal line of a screen, and enables display of an image having little gradation inversion areas, and that has outstanding durability.