The guide (2) consists of a positioning member (16) that enables a user to align an eye drop dispenser bottle (4) with the eye to be treated. The guide (2) includes an attachment device (6) for removably attaching the guide (2) to the eye drop dispenser bottle (4) and two arms (14) connected to the attachment device (6) by a pair of multiple use living hinges (12). The positioning member (16) bridges the two arms (14) and is rotatable between a stowed position and an operational position, such that when in the operational position the positioning member (16) is arranged between the eye drop dispenser bottle (4) and the eye to be treated. The guide (2) further comprises a locking arrangement (18, 20) for locking the guide (2) in the operational position.