RT Journal Article SR Electronic T1 Distribution and shifting trends of bacterial keratitis in north China (1989–98) JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 165 OP 166 DO 10.1136/bjo.2002.011205 VO 88 IS 2 A1 X Sun A1 S Deng A1 R Li A1 Z Wang A1 S Luo A1 X Jin A1 W Zhang YR 2004 UL http://bjo.bmj.com/content/88/2/165.abstract AB Aims: To study the distribution and shifting trends of bacterial keratitis. Methods: The data of 2220 corneal isolates from 1 January 1989 to 31 December 1998 were reviewed retrospectively. Results: Positive culture was recovered in 490 isolates. Gram positive cocci and Gram negative bacilli represented 51% and 39.4%, respectively. Pseudomonas aeruginosa was the most common pathogen (32.2%). A gradual increase in the percentage of Gram positive cocci coupled with a decrease of Gram negative bacilli. Conclusion:Pseudomonas aeruginosa and coaculase negative Staphylococcus were the most common pathogens in bacterial keratitis in north China.