• S01A Antiinfectives 53 drugs
• S01B Antiinflammatory agents 43 drugs
• S01C Antiinflammatory agents and antiinfectives in combination 24 drugs
• S01E Antiglaucoma preparations and miotics 138 drugs
• S01F Mydriatics and cycloplegics 9 drugs
• S01G Decongestants and antiallergics 37 drugs
• S01H Local anesthetics 4 drugs
• S01J Diagnostic agents 3 drugs
• S01L Ocular vascular disorder agents 17 drugs
• S01X Other ophthalmologicals 26 drugs