Corneal Edema Relief: Bausch + Lomb Muro 128® Solution & Ointment Muro 128 ® (Sodium Chloride Hypertonicity Ophthalmic Ointment, 5%) Muro 128 ® Ointment offers effective temporary relief from corneal edema. Preservative-free formulation. Two convenient economic sizes available: 1/8 oz (3.5 g) or 2 X 1/8 oz (3.5 g) More Information. Drug Facts.