» Prednisolone Acetate Ophthalmic Suspension is a sterile, aqueous suspension of prednisolone acetate containing a suitable antimicrobial preservative. It may contain suitable buffers, stabilizers, and suspending and viscosity agents. It contains not less than 90.0 percent and not more than 115.0 percent of the labeled amount of C₂₃H₃₀O₆.