aSt. Bartholomew's and The Royal London School of Medicine and Dentistry with Queen Mary and Westfield College, University of London, London, United Kingdom
∗Reprint requests to Mr. Paul Foggitt, St. Bartholomew's and The Royal London School of Medicine and Dentistry with Queen Mary and Westfield College, University of London, 477 Latimer Road, London W10 6RD, United Kingdom.
1The author has no financial or proprietary interest in any material or method mentioned.
Accepted for publication February 2, 2001.
The Glaucoma Research Unit, Moorfields Eye Hospital, London, United Kingdom, paid for the photocopies of the questionnaire and forms via the National Health Service Research and Development. Wendy Franks assisted with the study design and provided supervisory support. The staff at the Glaucoma Research Unit, Moorsfield Eye Hospital, provided clerical and secretarial support and the National Health Service, facilities for the study. Dr. Rebecca Hardy, MRC National Survey, UCL Medical School, Department of Epidaemiology and Public Health, gave advice on the potential use of the Psychiatric Symptom Frequency Scale.