[Air as an optic medium in diagnostic cystoscopy]. / Zrak kao opticki medij u dijagnostickoj cistoskopiji

The authors display that the application of air as an optic medium in diagnostic cystoscopy has some determined technical advantages and medical justifications ahead of the use of water. The quality of air as the optic medium doesn't lat behing after water. The fear of air embolism is not justified, because in numerous applications of this method not any incident has been recorded.