A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
9/00 Medicinal preparations characterised by special physical form
A61K9/0012 Galenical forms characterised by the site of application
A61K9/0048 Eye, e.g. artificial tears
A61K9/0051 Ocular inserts, ocular implants