---
title: YAG capsulotomy indications and timing
description: "[YAG capsulotomy is a quick laser procedure](https://bluefinvision.com/yag-laser-capsulotomy/) used to treat posterior capsular opacification, sometimes called a secondary cataract, after cataract surgery. It is recommended when this clouding genuinely affects everyday vision. ## When the laser is needed Not everyone with…"
url: "https://bluefinvision.com/knowledge-base/topics/treatments-procedures/yag-capsulotomy-indications-and-timing/"
updated: "2026-01-22"
category: "Treatments & Procedures"
---

# YAG capsulotomy indications and timing

[YAG capsulotomy is a quick laser procedure](https://bluefinvision.com/yag-laser-capsulotomy/) used to treat posterior capsular opacification, sometimes called a secondary cataract, after cataract surgery. It is recommended when this clouding genuinely affects everyday vision.

## When the laser is needed

Not everyone with a cloudy capsule requires treatment. Decisions consider symptoms, examination findings, and how much tasks are affected.

- Blurry, misty, or glare-prone vision months or years after surgery
- Difficulties with reading, night driving, or recognising faces
- Eye examination confirming clouding on the capsule behind the lens implant
- No other untreated cause such as macular disease alone explains the changes

## Choosing the right timing

The procedure is usually planned, not urgent, giving time to discuss benefits and risks. Many patients notice improvement soon afterwards.

- Laser is often delayed in very early post-operative periods until the eye is stable
- People at higher risk of retinal detachment are assessed carefully
- Once performed, capsulotomy rarely needs repeating in the same eye
- Follow-up checks monitor pressure and ensure vision improves as expected