Ophthalmic drug delivery device and method for fabricating the same

An ophthalmic drug delivery device, comprising:

• a shield element, which is adapted to be positioned onto a visual region of a cornea, wherein the shield element has a light transmittance more than or equal to 80%;
• and
• a drug release element, which is adapted to be positioned onto a region surrounding the cornea, wherein the region is outside the cornea, wherein the drug release element is an annular body, and the drug release element surrounds the shield element,
• wherein the drug release element is neutral and comprises a cross-linked neutral collagen, a first hydrophilic biodegradable polymer and a drug, and wherein the shield element is acidic and comprises a cross-linked acidic collagen and a second hydrophilic biodegradable polymer.