What types of pinkeye need tobramycin eye drops?

None . Pink eye is viral or bacterial. The screen shot from wills eye manual reveals recommended antibiotics for bacterial conjunctivitis, tobramycin (aminoglycoside) not there. Viral conjuctivitis usually not serious and antibacterials not useful. The antibiotic tobramycin is not the recommended to treat the most common bacteria to infect the eye, strep and staph (gram positive).