What is Retinal Laser (Photocoagulation)?
A Guide to Laser Treatment for Retinal Disease
Overview
Retinal laser photocoagulation is a procedure used to treat a range of retinal conditions by applying focused laser energy to targeted areas of the retina.
It is commonly used to:
- Seal retinal tears
- Treat diabetic retinopathy
- Manage retinal vascular disorders
This is a core treatment in retina-focused practices.
How Retinal Laser Works
Retinal lasers deliver controlled bursts of light energy to the retina, creating small therapeutic burns.
This process:
- Seals leaking blood vessels
- Reduces abnormal vessel growth
- Stabilizes retinal structure
The goal is to prevent disease progression and preserve vision
Common Conditions Treated
Diabetic Retinopathy
- Reduces abnormal blood vessel growth
- Prevents vision loss
Retinal Tears and Detachments
- Seals retinal breaks
- Prevents progression to detachment
Retinal Vein Occlusion
- Manages complications from blocked blood vessels
Types of Retinal Lasers
532nm Green Lasers
- Most commonly used wavelength
- High absorption in retinal tissue
- Effective for photocoagulation
810nm Infrared Lasers
- Deeper penetration
- Used in specific clinical scenarios
Pattern Scan Lasers (Short Pulse)
- Deliver multiple spots rapidly
- Improve efficiency and patient comfort
Common Retinal Laser Systems
Photocoagulation Platforms
- Zeiss Visulas 532s, Visulas Combi (YAG/532), and Visulas Green
- Nidek retinal lasers
- Quantel Medical systems
- Meridian merilas 532, 577, 810 laser platforms
- Iridex/Iris Medical Oculight GL/GLx/TX 532
- Iridex/Iris Medical Oculight SL/SLx 810
- Iridex IQ 532, 577, 810
Widely used across retina clinics and surgical centers
Benefits of Retinal Laser Treatment
- Proven, long-standing treatment method
- Helps prevent vision loss
- Can be performed in-office
- Effective for a wide range of retinal conditions
Limitations
- Does not restore lost vision
- May require multiple treatments
- Can cause mild discomfort
Who Uses Retinal Lasers
- Retina specialists
- Ophthalmologists
- Surgical centers
- Hospitals
Real-World Insight
Despite advances in imaging and injection therapies, retinal laser remains a foundational treatment in retina care.
Many clinics use laser in combination with anti-VEGF therapies for optimal outcomes
FAQ
What is retinal laser used for?
Retinal laser is used to treat conditions such as diabetic retinopathy, retinal tears, and vascular disorders.
Is retinal laser painful?
The procedure may cause mild discomfort but is generally well tolerated.
Does retinal laser cure disease?
It helps stabilize conditions and prevent progression but does not reverse damage.
How long does retinal laser take?
Most treatments are completed in a short in-office session.
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Still researching lasers? Check out our other resources.
Best YAG Lasers in Ophthalmology (2026)
Best SLT Lasers in Ophthalmology (2026)
YAG vs SLT Laser: What’s the Difference
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