US-based Oasis Medical has secured CE Mark approval for its soft shield collagen corneal shields, which help ocular healing.
The soft shield collagen corneal shield (SSCCS) is a clear, pliable, thin film composed of highly purified bovine collagen that has been lightly cross-linked to provide the desired degradation time on the eye.
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It serves as a protective barrier on the surface of the eye, which allows time for the release of a thin layer of collagen to lubricate the eye, before SSCCS degrades.
It is administered sterilely by electron beam irradiation in a double peel tray. The inner tray is used to hydrate the shield.
The SSCCS is hydrated dome-side down and must be inverted before being placed on the eye.
Once applied, the shield eventually absorbs ocular fluids, which contain collagenases and protease which slowly degrades the shield.
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By GlobalDataThe shield is thicker in the centre and thin out towards the edge and when hydrated, the water content of the shield is 65% to 85% depending on the degradation time.
It involves three dissolution rates which is QS, 12, 24, and 72 hours.
The QS and 12-Hour shields are used primarily after a cataract surgery is done and are intended to dissolve completely on the eye under a patch within a day.
The 24-Hour and 72- Hour shields are used after ocular injections, corneal trauma, and non-traumatic corneal conditions. They are placed on a non-patched eye and will remain on the eye, similar to a contact lens, for approximately the number of hours indicated. They will partially degrade during their time on the eye.
