Surgery

Vital Few CTQ

Trivial Many CTQ

I

Experience of refractive surgeon; Type of microkeratome; Hygiene of microkeratome

Cleaning of Patient’s Cornea by Refractive Surgeon; Patient’s Eye Anatomy

II

Patient’s eye anatomy; experience of anaesthesiologist; experience and attention of strabismus surgeon

Type and Quality of Suture; Attention of assistant surgeon; Attention of nurse

III

Experience of retina specialist; Attention of retina specialist; Patient’s ocular pathology

Sterilization and hygiene; Dosage of drug/agent; Chemical properties of drug/agent

IV

Experience of ophthalmic surgeon; Patient’s anatomy; Cooperation of patient during surgery

Sterilization and hygiene; Attention of assistant surgeon; Calibration of equipment; Quality/chemical composition of intraocular material

V

Experience of ophthalmic surgeon; Patient’s anatomy; Cooperation of patient during surgery

Sterilization and hygiene; Attention of assistant surgeon; Calibration of equipment; Quality/chemical composition of intraocular material

VI

Experience of vitreoretinal surgeon; Attention of vitreoretinal surgeon; Patient’s anatomy

Sterilization and hygiene; Amount of silicone oil; Amount of gas

VII

Experience of refractive surgeon; Patient’s anatomy; Calibration of laser power

Patient’s psychology; Sterilization and hygiene;

Suction-ring’s pressure

VIII

Patient’s eye anatomy; Suitability of donor cornea

Experience of ophthalmic surgeon; Sterilization and hygiene; Performance of equipment

IX

Patient’s eye anatomy; Experience of ophthalmic surgeon

Quality of surgical equipment; Quality and type of suture; Experience of staff