---
title: What is macular oedema?
description: "Macular oedema is a build-up of fluid in the central retina that causes the macula to thicken and swell. It can result from diabetes, vein occlusions, inflammation or post-surgical changes. ## Symptoms and diagnosis Typical symptoms are blurred or wavy…"
url: "https://bluefinvision.com/knowledge-base/topics/conditions-diseases/what-is-macular-oedema/"
updated: "2025-12-11"
category: "Conditions & Diseases"
---

# What is macular oedema?

Macular oedema is a build-up of fluid in the central retina that causes the macula to thicken and swell. It can result from diabetes, vein occlusions, inflammation or post-surgical changes.

## Symptoms and diagnosis

Typical symptoms are blurred or wavy central vision and difficulties with reading and fine detail. OCT scanning is used to confirm the presence and severity of swelling.

- Different underlying causes require different treatment strategies
- Options include eye drops, intravitreal injections and laser
- Controlling systemic risk factors such as diabetes and blood pressure is important
- Regular follow-up helps guide the timing of repeat treatments

## Further information

Macular oedema of various causes is treated within the [medical retina](https://bluefinvision.com/medical-retina/) clinic at Blue Fin Vision®. Injection and laser approaches are outlined in [diabetic retinopathy treatment options](https://bluefinvision.com/blog/what-is-diabetic-retinopathy/).