Ocular Coil Drug Delivery Comfort Trial

Inclusion Criteria: * Age between 18 and 75 years old * Informed and having given informed consent * Willing and able to comply with scheduled visits and other study procedures Exclusion Criteria: * Subjects with a history of eye disease that can make them vulnerable for irritation by the coil. * Subjects wearing contact lenses (unless they are willing to replace them for glasses for the duration of the study). * Subjects using eye drops (during the study). * Subjects with an Oriental/Asian lid crease, because of their narrow fornix. * Subjects who do not speak and/or write Dutch properly. * Subjects with a history of serious adverse reaction or hypersensitivity to components of the ocular coil. or to ophthalmic anaesthetics * Women who are pregnant or nursing their child, or have the intention to become pregnant during the course of the study.