Light Hypersensitivity A Simplified Office Procedure for Diagnosis of Contact Photodermatitis**From the Department of Dermatology, Dartmouth Medical School, and the Department of Dermatology, Hitchcock Clinic, Hanover, New Hampshire.Supported in part by the U.S. Public Health Service, N.I.A.I.D. grant E-1209(C2), under the auspices of the Hitchcock Foundation, Hanover, New Hampshire.Presented at the Twentieth Annual Meeting of The Society for Investigative Dermatology, Inc., Atlantic City, N.J., June 7, 1959.