Tomycin-D is a sterile ophthalmic suspension combining Tobramycin, an aminoglycoside antibiotic, with Dexamethasone, a corticosteroid. This formulation is designed to treat steroid-responsive inflammatory ocular conditions where there is a risk of or existing superficial bacterial infection. Tobramycin combats susceptible bacteria, while Dexamethasone reduces inflammation, redness, and swelling.