Medical device and ocular implant for treatment of ocular disorders

A medical device, the device comprising

• a) a body,
• b) an ocular implant, comprising an elongated body having an internal surface defining an internal lumen forming a corresponding channel, and a first engaging element and a second engaging element located at the surface of the elongated body, wherein the first and second engaging elements extend away from the surface of the elongated body, and wherein the first and second engaging elements are respectively positioned at a distal and proximal portion of the elongated body,
• c) a piercing member coupled to and extending from a distal segment of the body, wherein the piercing member has an internal lumen and is configured to contain the ocular implant within the internal lumen and to deliver the ocular implant into an eye tissue layer,
• wherein the piercing member includes one or more markings on a surface thereof which is indicative of when the piercing member has reached a desired depth into the eye tissue layer.