Intravitreal Injections for Macular Edema Secondary to Retinal Vein Occlusion: Long-Term Functional and Anatomic Outcomes

Table 4

Adverse events in the study population throughout treatment with intravitreal injections.

Adverse event	n (%)
Endophthalmitis
Whole sample	1–0.4
CRVO	1–1.0
BRVO	—
Elevation in intraocular pressure
Whole sample	65–29.1
CRVO	33–33.3-
BRVO	32–25.8
Surgery for refractory ocular hypertension
Whole sample	1–0.4
CRVO	—
BRVO	1–0.8
Vascular events
Whole sample	2–0.9
CRVO	2–2.0
BRVO	—
Request for emergency room service
Whole sample	40–17.9
CRVO	14–14.1
BRVO	26–21.0

Transient increase in IOP, requiring topical IOP-lowering medications; no additional procedures were required to reduce IOP. Trabeculectomy for ocular hypertension refractory to topical medications. Nonfatal myocardial infarction or nonfatal stroke. Reasons for emergency room request: conjunctival hyperemia (n.5), floaters (n.2), feeling of a foreign body (n.2), and blurred vision (n.31).