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Description of Medical ServiceA trabecular micro-bypass stent is a micro-invasive glaucoma surgery (MIGS) device used to treat patients with mild-to-moderate primary open-angle glaucoma (POAG), a previously unaddressed population in POAG surgical treatment. The device improves aqueous outflow through the natural physiologic pathway, the trabecular meshwork, thereby lowering intra-ocular pressure (IOP) and dependence on pressure-lowering topical medication. The procedure is generally performed as a day-stay procedure in an ophthalmology surgical setting, as a stand-alone treatment or in conjunction with cataract surgery.
Description of Medical ConditionGlaucoma is a chronic degenerative optic neuropathy in which the neuro-retinal rim of the optic nerve becomes progressively thinner, caused by an acquired loss of retinal ganglion cell axons and atrophy of the optic nerve. The lens and cornea of the eye both lack direct blood supply. Therefore, these anterior structures are nourished by a separate circulatory system. The aqueous humor, produced by the ciliary body, circulates throughout the anterior chamber and drains through the trabecular meshwork in the iridocorneal angle. Its primary role is to maintain intraocular pressure (IOP), and provide nutrients to the structures of the anterior and posterior chambers of the eye.
In open-angle glaucoma (OAG), the iridocorneal angle is unobstructed but aqueous outflow is diminished, leading to an elevation of intraocular pressure. Patients with glaucoma typically lose peripheral vision, and may suffer complete vison loss if not treated.
Reason for ApplicationNew MBS item
Medical Service TypeTherapeutic
Previous Application NumberNot Applicable
Application FormApplication Form (Word 7536 KB)
Application Form (PDF 964 KB)
Consultation SurveyConsultation Survey (PDF 97 KB)
Consultation Survey (Word 508 KB)
PICO ConfirmationPICO Confirmation (Word 227 KB)
PICO Confirmation (PDF 794 KB)