A photographic reference scale representing six levels of conjunctival hyperemia has been developed for the assessment of responses to contact lenses. The scale has been found to be capable of detecting statistically significant differences in conjunctival hyperemia responses between samples of hard, soft, and noncontact lens wearers. For experienced observers, inter- and intraobserver reliability was found to be high and the conclusion is drawn that this type of scale is potentially useful in research and clinical applications.
Presented at Australian Contact Lens Society Congress, Surfers Paradise, Australia, July, 1984 and at the Annual Meeting of the American Academy of Optometry, Toronto, December, 1986.
Received January 2, 1986; revision received June 19, 1986.
* M.Sc., Member of Faculty, F.A.A.O.
† Optometrist, Member of Faculty.
Charles W. McMonnies
Cornea and Contact Lens Research Unit
School of Optometry
University of New South Wales
P.O. Box 1, Kensington 2033
© 1987 American Academy of Optometry