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What Is an Endolaser?

An endolaser is a tool used during retinal surgery to apply controlled laser energy inside the eye. Surgeons use it to seal blood vessels, stop bleeding, or reinforce weak retinal areas. The device delivers focused treatment through a small probe, which helps target specific tissues. Endolaser procedures take place in the operating room alongside other surgical steps. This approach supports long-term stability in many retinal conditions.

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What Is an Endolaser?

An endolaser is a tool used during retinal surgery to apply controlled laser energy inside the eye. Surgeons use it to seal blood vessels, stop bleeding, or reinforce weak retinal areas. The device delivers focused treatment through a small probe, which helps target specific tissues. Endolaser procedures take place in the operating room alongside other surgical steps. This approach supports long-term stability in many retinal conditions.

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Why Do Surgeons Use an Endolaser?

The tool helps control bleeding, prevent fluid buildup, and stabilize fragile tissue during surgery. Surgeons rely on it when treating retinal tears, detachments, or diabetic swelling. It provides precision inside the eye where external lasers cannot reach. The settings can be adjusted based on tissue response. This flexibility supports safe treatment during delicate procedures.

What Happens During Endolaser Treatment?

The sequence usually includes:

  • The surgeon inserts a small probe through a tiny opening.
  • Laser energy is applied to targeted retinal areas.
  • Treatment seals vessels or secures weakening tissue.
  • The surgeon checks surrounding structures for stability.
  • Other surgical steps continue as needed.

What Should You Expect After Endolaser Use?

People may notice mild soreness or blurry sight for a short time. Vision gradually improves as the retina heals. Follow-up visits help track the treated areas. Swelling or surface irritation usually settles quickly. Long-term results depend on the underlying condition.

When Is Endolaser Used During Retinal Surgery?

Endolaser is used when the surgeon needs to treat retinal tissue from inside the eye during an operation. It is often chosen when there is a retinal tear, detachment risk, bleeding, or fragile areas that need reinforcement while the retina is directly visible. The internal approach helps reach spots that are difficult to treat with an external laser. Surgeons can adjust the laser settings based on how the tissue reacts in real time. The goal is to stabilize the retina and lower the chance of future complications.

Frequently Asked Questions About Endolasers

Is the treatment painful?

No, it is performed with anesthesia, so people feel little to no discomfort. Mild soreness afterward is expected. Most patients recover quickly. Doctors explain what sensations are normal.

Does the laser damage healthy tissue?

The energy is controlled carefully to limit unwanted effects. Surgeons target only the areas that need support. Follow-up checks confirm healing. Protection of surrounding tissue is a priority.

How long does healing take?

Healing varies by condition. Some people recover within days, while deeper issues require more time. Exams help track progress. Surgeons adjust care as needed.

Why not use an external laser instead?

External lasers cannot reach certain retinal areas. The endolaser provides internal access with greater precision. It works well during surgeries that require direct visualization. Surgeons choose tools based on each case.

References

Lasers (surgery). EyeWiki. https://eyewiki.org/Lasers_%28surgery%29. Accessed March 20, 2026.

Pars Plana Vitrectomy. EyeWiki. https://eyewiki.org/Pars_Plana_Vitrectomy. Accessed March 20, 2026.

Vitrectomy. StatPearls - NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK551668/. Accessed March 20, 2026.

Intraoperative Endolaser Retinopexy Around the Sclerotomy Site for Prevention of Postvitrectomy Retinal Detachment. PubMed. https://pubmed.ncbi.nlm.nih.gov/21478805/. Accessed March 20, 2026.

Endoscopic laser photocoagulation utilizing a separate laser system in vitreoretinal surgery. Investigative Ophthalmology & Visual Science. https://iovs.arvojournals.org/article.aspx?articleid=2799034. Accessed March 20, 2026.