A dedicated ophthalmic surgical instrument intended to be used explicitly for the temporary mechanical retraction/dilatation of intraocular tissues (e.g., iris) during ophthalmic surgery. It is typically a small hook-like device which may include a retentio...
A sterile, dedicated ophthalmic surgical instrument intended to be used explicitly for the temporary mechanical retraction/dilatation of intraocular tissues (e.g., iris) during ophthalmic surgery. It is typically a self-retaining ring/frame or a small hook-...
An ophthalmic surgical instrument intended to be used explicitly for the temporary mechanical retraction/dilatation of tissues of the eyeball (e.g., iris, sclera) during ophthalmic surgery. It may be a hand-held hook-like device or a self-retaining device. ...