Therapeutic vitrectomy for non-infectious uveitis.

This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To evaluate the benefits and harms of pars plana vitrectomy (PPV), with or without adjunctive medical therapy, compared with medical therapy alone, for non-infectious intermediate uveitis, posterior uveitis, or panuveitis complicated by persistent inflammation or cystoid macular oedema (CMO).