Table 1. Intravitreal implants.

Implant	Active drug	Approved indication for intravitreal use	Resorbable?	Implantable without suture?
Ganciclovir	Ganciclovir 4.5 mg	Cytomegalovirus (CMV) retinitis	No	No
Fluocinolone acetonide	Fluocinolone acetonide 0.59 mg	Chronic non-infectious uveitis	No	No
Fluocinolone acetonide	Fluocinolone acetonide 0.19 mg	USA: application for approval rejected by the FDA (2011) Europe: positive evaluation (2/2012), approval in Austria (4/2012) and the U.K. (5/2012)	No	Yes
Triamcinolone acetonide	Triamcinolone acetonide 40 mg/mL	Europe: not approved	Yes,	Yes,
		USA: uveitis or intraocular inflammation not responding to topical steroids, temporal arteritis, sympathetic ophthalmia, intraoperative visualization of the vitreous humor	not an implant but a crystalline suspension	injection of the suspension
Dexamethasone	Dexamethasone 700 µg	Macular edema after BRVO and CRVO; inflammation of the posterior segment of the eye (non-infectious uveitis)	Yes	Yes

BRVO, branch retinal vein occlusion; CRVO, central retinal vein occlusion; FDA, Food and Drug Administration