Jones, W. T., and Kipling, M. D. (1972).Brit. J. industr. Med.,29, 460-461. Glaucopsia—blue-grey vision. Blue-grey vision due to the effect of certain amines on the eye is a recognized but generally little known phenomenon. We review previous accounts of the condition and describe our experience of its occurrences. We consider the condition should be known as `glaucopsia'.