Infectious Corneal Ulcer With Overextended Wearing of Disposable Contact Lenses

To the Editor.—  The availability of extended-wear soft contact lenses and the recently developed disposable lenses has provided particular advantages to certain contact lens wearers. However, ophthalmologists have been concerned that the use of extended-wear contact lenses will increase the incidence of serious corneal infections. Few data have been available to support this contention because the history of long-term use of disposable contact lenses is not yet available.I herein report a corneal ulcer infected by Pseudomonas sp in a man who was wearing disposable contact lenses for 2 1/2 weeks at a time.

Report of a Case. —  A 19-year-old soft contact lens wearer was switched to disposable contact lenses by his optometrist. He was doing well with them for 10 months and gradually increased his wearing time from 2 to 3 weeks. He developed redness, pain, and loss of vision in his right eye after a 2 1/2week