P3H4O1T1O1P3I1A1S1
16 points
PHOTOPIAS is validvalid
PHOTOPIA, vision in bright light
PHOTOPIA, vision in illumination similar to daylight, believed to involve chiefly the cones of the retina
PHOTOPIA, vision in bright light
PHOTOPIA, vision in illumination similar to daylight, believed to involve chiefly the cones of the retina