Review Article

High-Intensity Focused Ultrasound Circular Cyclocoagulation in Glaucoma: A Step Forward for Cyclodestruction?

Table 3

Complications after UC3.

ComplicationsIncidence

MildIntraoperative pain4.1%–10.7%
Conjunctival hyperaemia37.5%–75%
Subconjunctival
hemorrhage
4%–16.6%
Superficial punctate
keratitis
10.7%–40%
Anterior chamber
reaction
16.6%–40%
IOP spikes6.6%–20.8%
Focal scleral thinning3.3%

Severe/vision threateningTransient VA decrease10.7%
Transient hypotony1.6%–5%
Corneal edema7.1%–8.3%
Corneal ulceration§8.3%–16.6%
Transient macular
edema
3.3%–3.6%

UC3: ultrasonic circular cyclocoagulation; VA: visual acuity.
IOP increase higher than 5 versus baseline, in the first week.
≥2 Snellen lines, transient.
§Patients with preexisting corneal disorders.
References [1621, 88, 89].