Glaucoma is defined as a group of eye conditions that share either the common feature of progressive optic neuropathies (the open-angle variants) or the common feature of occludable drainage angles in the anterior chamber (the closed-angle variants). The primary goal of glaucoma therapy is to reduce IOP to the point where deterioration of the optic disk or visual fields ceases with a minimum of side effects or complications. The therapy currently available can be divided into three main groups: medical therapy, laser trabecu-loplasty, and filtering surgery.
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Fine, I.H., Hoffman, R.S., Packer, M. (2010). Minimally Penetrating Glaucoma Surgery with the Ex-PRESS™ Miniature Shunt. In: Fine, I.H., Mojon, D.S. (eds) Minimally Invasive Ophthalmic Surgery. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-02602-7_11
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