Administration, Oral, Administration, Topical, Adult, Aged, Aged, 80 and over, Anti-Infective Agents, Aza Compounds, Biological Availability, Chromatography, High Pressure Liquid, Female, Fluoroquinolones, Humans, Male, Middle Aged, Moxifloxacin, Prospective Studies, Quinolines, Vitrectomy, Vitreous Body