An intraocular implant injection assembly comprising: a housing arranged along a longitudinal axis, said housing including a forward portion and a rearward portion; a syringe, including finger engagement protrusions, positionable along said longitudinal axis in said rearward portion of said housing; said rearward portion of said housing including a pair of opposite axially elongated slots configured to slidably accommodate said finger engagement protrusions; an intraocular implant positioning subassembly, positioned along said longitudinal axis in said forward portion of said housing, said intraocular implant positioning subassembly comprising: a rearward positioning element including an azimuthal registration aperture; and a forward positioning element including an azimuthal registration pin operative to engage said azimuthal registration aperture and to prevent relative rotation between said rearward positioning element and said forward positioning element; an intraocular implant mounted in said intraocular implant positioning subassembly; and an intraocular implant displacer, including a shaft, said shaft being operative to displace said intraocular implant rearwardly along said longitudinal axis relative to said positioning subassembly into said syringe when said positioning subassembly is forwardly displaced relative to said housing by said syringe in response to a user displacing said syringe forwardly within said housing, said intraocular implant displacer including a shaft. a housing arranged along a longitudinal axis, said housing including a forward portion and a rearward portion; a syringe, including finger engagement protrusions, positionable along said longitudinal axis in said rearward portion of said housing; said rearward portion of said housing including a pair of opposite axially elongated slots configured to slidably accommodate said finger engagement protrusions; an intraocular implant positioning subassembly, positioned along said longitudinal axis in said forward portion of said housing, said intraocular implant positioning subassembly comprising: a rearward positioning element including an azimuthal registration aperture; and a forward positioning element including an azimuthal registration pin operative to engage said azimuthal registration aperture and to prevent relative rotation between said rearward positioning element and said forward positioning element; a rearward positioning element including an azimuthal registration aperture; and a forward positioning element including an azimuthal registration pin operative to engage said azimuthal registration aperture and to prevent relative rotation between said rearward positioning element and said forward positioning element; an intraocular implant mounted in said intraocular implant positioning subassembly; and an intraocular implant displacer, including a shaft, said shaft being operative to displace said intraocular implant rearwardly along said longitudinal axis relative to said positioning subassembly into said syringe when said positioning subassembly is forwardly displaced relative to said housing by said syringe in response to a user displacing said syringe forwardly within said housing, said intraocular implant displacer including a shaft.