Zhang and colleagues have recently published a systematic review and meta-analysis of six studies and conclude that 'gastric tonometry guided therapy can reduce total mortality in critically ill patients'. So why did gastric tonometry come and go, and what can we learn from this piece of modern history?

Glaucoma is the second cause of irreversible blindness in world. Intraocular pressure (IOP) a recognized major risk factor for development and progression glaucomatous damage. Goldmann applanation tonometry (GAT) internationally accepted as gold standard measurement IOP. The purpose this study was to search correlations between corneal mechanical properties thickness by means vitro tests. IOP m...