4 IRIDEX IQ 577
®
/IQ 532
®
Laser Systems Operator Manual 15510-EN Rev G
Procedural Recommendations
The user is directed to review the operating instructions for the compatible delivery devices prior
to treatment.
Contraindications
• Anysituationwherethetargettissuecannotbeadequatelyvisualizedorstabilized.
• Donottreatalbinopatientswhohavenopigmentation.
Potential Side Effects or Complications
• Specifictoretinalphotocoagulation:inadvertentfovealburns;choroidalneovascularization;
paracentralscotomata;transientincreasededema/decreasedvision;subretinalfibrosis;
photocoagulationscarexpansion;Bruch’smembranerupture;choroidaldetachment;exudative
retinal detachment; pupillary abnormalities from damage to the ciliary nerves; and, optic neuritis
from treatment directly or adjacent to the disc.
• Specifictolaseriridotomyoriridoplasty:inadvertentcornealorlensburns/opacities;iritis;iris
atrophy; bleeding; visual symptoms; IOP spike; and, rarely, retinal detachment.
• Specifictolasertrabeculoplasty:IOPspike,and,disruptionofthecornealepithelium.
Specic Warnings and Precautions
It is essential that the surgeon and attending staff be trained in all aspects of these
procedures. No surgeon should use these laser products for ophthalmic surgical procedures
without first obtaining detailed instructions in laser use. Refer to “Warnings and Cautions” for
more information. Proper eye protection for 577 nm light must be utilized. Follow the Eye Protection
Policy at your facility.
Laser Settings
Beginningatlowpowerwithshortdurationexposures,thesurgeonshouldnotethesurgical
effectandincreasepower,powerdensity,orexposuredurationuntilthedesiredsurgicaleffectis
obtained. The information in the following table is intended to provide guidance only for treatment
settings, which are not prescriptive for any condition. The operative needs of each patient should be
individually evaluated based on the indication, treatment location, and on the patient’s medical and
woundhealinghistory.Ifuncertainofexpectedclinicalresponse,alwaysstartwithaconservative
setting and increase the setting in small steps.