1. A control for a controllable optical device, comprising an auto-darkening lens, a sensor to sense the incident direction of incident light toward the auto-darkening lens, a control circuit responsive to incident direction information to provide for control of the auto-darkening lens, wherein the control circuit provides for shade adjustment control for the auto-darkening lens to maintain at least a desired light attenuation shade for different directions of incident light, said sensor comprising a photosensor, said photosensor comprising a plurality of photosensors, and further comprising a light restricting opening limiting the direction at which light may impinge on one or more of said photosensors.