The control chart is potentially a sensitive method to detect anomaly in the cases of postcataract surgery endophthalmitis.

Acheson J. Duncan, The Economic Design of |barX Charts used to Maintain Current Control of a Process, Journal of the American Statistical Association, Vol. 51, No. 274 (Jun., 1956), pp. 228-242 ...

Process inspection schemes using control charts with warning lines are considered and the properties for some schemes based on the observations from the last few samples are evaluated. Tables of ...