15510-EN Rev G
Introduction 5
577 nm Typical Laser Treatment Parameters for Ocular Photocoagulation
577 nm Continuous-Wave
Application
Delivery Device
Spot Size at
Target* (µm)
Power
(mW)
Exposure
Duration (ms)
Central Retina Focal/Grid
SLA
50–100
50–250
30–100
Peripheral Retina/PRP/Tears
SLA, LIO, EndoProbe
100–500
50–500
30–200
Trabeculoplasty
SLA
50
385–640
100
Iridotomy
SLA
50
320–640
100–200
Nylon Suture Lysis
SLA
50
200–750
100–200
*Spot size at target is dependent on many parameters, including spot size selection, physician’s choice of
laser delivery lens, and patient’s refractive power.
577 nm MicroPulse
Application
Delivery
Device
Spot Size at
Target* (µm)
Power
(mW)
Duty Cycle
(500 Hz)
Exposure
Duration (ms)
Central Retina Focal/Grid
SLA
50–200
100–400
5%, 10%, 15%
100–300
Peripheral Retina/PRP
SLA
500–1000
500–1000 5%, 10%, 15%
100–300
Trabeculoplasty
SLA
200–300
400–1200 5%, 10%, 15%
100–300
*Spot size at target is dependent on many parameters, including spot size selection, physician’s choice of
laser delivery lens, and patient’s refractive power.
Indications for Use - IQ 532 Models
This section provides information on the use of the laser in clinical specialties. Information is
provided by specialty and includes procedural recommendations along with specific indications
and contraindications. This information is not intended to be all-inclusive and is not intended to
replace surgeon training or experience. The regulatory information provided is applicable only in the
United States. If you use the laser for indications not included herein, you will be subject to 21 CFR
Part 812, the Food and Drug Administration’s Investigational Device Exemption (IDE) regulations.
For information regarding the regulatory status of indications other than those listed in this manual,
contact IRIDEX Regulatory Affairs.
IRIDEX does not make recommendations regarding the practice of medicine. References in
literature are provided as a guide. Individual treatment should be based on clinical training, clinical
observation of laser tissue interaction, and appropriate clinical endpoints.
The IRIDEX laser and the handpieces, delivery devices, and accessories that are used with it to
deliver laser energy in CW-Pulse™ mode or MicroPulse™ mode in the medical specialties of Ear,
Nose and Throat (ENT), and Ophthalmology.