LRI CALC is an iPhone application to assist you in pre-operative planning for Limbal Relaxing Incisions (LRI) to correct the astigmatism.

The usage is very simple: just press the 'PATIENT' button and provide the requested patient data, choose the nomogram and press ’DONE’ button.

The calculator will suggest the incisions as the nomogram chosen in attempt to correct as much as possible without over correct the astigmatism.

***** This application is for reference and simulation only *****