Travoprost. Molecular model of the drug travoprost (C26.H35.F3.O6). This ophthalmic solution, sold under the brand name Travatan Z, is used for controlling the progression of glaucoma or ocular hypertension, by reducing intraocular pressure. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), oxygen (red) and fluorine (light blue).