Presentation:
Ologen: Each ml sterile eye drops contains Olopatadine 1 mg (as Olopatadine Hydrochloride INN).
Ologen DS: Each ml sterile eye drops contains Olopatadine 2 mg (as Olopatadine Hydrochloride INN).
Preservative: Benzalkonium Chloride 0.01%
Vehicle: Polyvinyl Alcohol 1.4%