An ocular implant system for reducing intraocular pressure in an eye, the system comprising: an elongated implant having a proximal end and a distal end, wherein the elongated implant is configured to be inserted through an incision in a cornea and into an anterior chamber of the eye; and a delivery instrument configured for removably attaching to the implant, the delivery instrument comprising: (a) a handle component having a longitudinal axis; (b) an elongated applier operatively coupled to the handle component wherein the elongated applier has an internal lumen and wherein the elongated implant is configured to be positioned inside the internal lumen, the elongated applier having a proximal region aligned with the longitudinal axis of the handle component and a distal region curved away from the longitudinal axis; and (c) an actuator on the handle component of the delivery instrument arranged to retract the elongated applier when positioning the implant; wherein the elongated applier is configured to pass the implant across the anterior chamber towards the scleral spur of the eye in the direction of the suprachoroidal space opposite the incision in the cornea; and wherein the elongated applier is configured to position the implant, from inside the anterior chamber, in a first position such that the proximal end of the implant is in the anterior chamber, and the distal end communicates with the suprachoroidal space to provide a fluid passageway between the suprachoroidal space and the anterior chamber, wherein the elongated applier is configured to be retracted to remove the implant; and characterised in that the implant is a porous member without a central internal lumen. an elongated implant having a proximal end and a distal end, wherein the elongated implant is configured to be inserted through an incision in a cornea and into an anterior chamber of the eye; and a delivery instrument configured for removably attaching to the implant, the delivery instrument comprising: (a) a handle component having a longitudinal axis; (b) an elongated applier operatively coupled to the handle component wherein the elongated applier has an internal lumen and wherein the elongated implant is configured to be positioned inside the internal lumen, the elongated applier having a proximal region aligned with the longitudinal axis of the handle component and a distal region curved away from the longitudinal axis; and (c) an actuator on the handle component of the delivery instrument arranged to retract the elongated applier when positioning the implant; (a) a handle component having a longitudinal axis; (b) an elongated applier operatively coupled to the handle component wherein the elongated applier has an internal lumen and wherein the elongated implant is configured to be positioned inside the internal lumen, the elongated applier having a proximal region aligned with the longitudinal axis of the handle component and a distal region curved away from the longitudinal axis; and (c) an actuator on the handle component of the delivery instrument arranged to retract the elongated applier when positioning the implant; wherein the elongated applier is configured to pass the implant across the anterior chamber towards the scleral spur of the eye in the direction of the suprachoroidal space opposite the incision in the cornea; and wherein the elongated applier is configured to position the implant, from inside the anterior chamber, in a first position such that the proximal end of the implant is in the anterior chamber, and the distal end communicates with the suprachoroidal space to provide a fluid passageway between the suprachoroidal space and the anterior chamber, wherein the elongated applier is configured to be retracted to remove the implant; and