The present invention relates to a device (1) for dispensing eye drops comprising a first container (2) containing water for injection (200) and a second container (3) containing a freeze-dried composition (300) comprising a drug. The first container (2) comprises a tubular element (9) with an open end portion (10) and the second container (3) comprises a wall (16) configured to be engaged in a fluid-tight manner around the tubular element (9) and a piercible barrier (17) which, in the assembled condition of the device (1), prevents mixing of the substances contained inside the first and second containers (2, 3). The drop dispensing device (1) also comprises a spacer (4) arranged between the first and second containers (2, 3)； the spacer (4) does not allow the tubular element (9) to pierce the piercible barrier (17).
