Ocular drug delivery systems: glaucoma patient perceptions from a German university hospital eye clinic.

"Declarations Ethics approvalEthical approval was obtained by the local ethics committee of the University Hospital Bonn (reference: 185/22). The study protocol conformed to the ethical guidelines of the 2000 Declaration of Helsinki as reflected in a priori approval by the institution’s Human Research Committee. Informed consentAll patients participated anonymously after giving fully informed consent. Conflict of interestCW, PQ, and FGH certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest, and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript. KM and AF have received honoraria or research grants from the following: Allergan/Abbvie (C,H,R) and Glaukos (C,H,R), but none of this is related to the current study. Conflict of interest CW, PQ, and FGH certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest, and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript. KM and AF have received honoraria or research grants from the following: Allergan/Abbvie (C,H,R) and Glaukos (C,H,R), but none of this is related to the current study."

"Funding Open Access funding enabled and organized by Projekt DEAL."