Cystoid Macular Oedema Diagnosis and Treatment in Sydney

Cystoid macular oedema is a retinal condition that affects the macula, the part of the eye responsible for sharp central vision. It occurs when fluid collects in small cyst-like spaces within the macula, causing it to swell and distort vision. At Sydney Retina Clinic & Day Surgery, our experienced ophthalmologists provide specialist care for patients with cystoid macular oedema using advanced diagnostic imaging and tailored treatment plans. Early assessment and treatment are important to reduce the risk of long-term vision impairment.

Patients from across Greater Sydney are supported with timely access to expert retinal care in a calm and professional clinical environment.

What is Cystoid Macular Oedema, and How Does it Affect Vision?

Cystoid macular oedema, often referred to as CME, is a painless condition that leads to swelling in the central retina. The macula becomes thickened as fluid leaks from damaged blood vessels and collects in cyst-like pockets. This swelling interferes with the normal function of the macula, resulting in blurred or distorted central vision. CME can affect one or both eyes, depending on the underlying cause.

Without appropriate treatment, prolonged swelling may lead to permanent changes in vision.

Common Symptoms of Cystoid Macular Oedema

The most common symptom of cystoid macular oedema is blurred or distorted central vision. Many patients notice straight lines appearing wavy or have difficulty reading fine print. Colours may appear dull, and some people experience increased sensitivity to light. Vision changes may develop gradually or suddenly, depending on the cause.

Any persistent change in central vision should be assessed by an ophthalmologist.

Causes and Risk Factors for Cystoid Macular Oedema

Cystoid macular oedema develops when the retinal blood vessels become leaky. It is commonly associated with diabetic retinopathy, where high blood sugar damages retinal vessels. CME may also occur following cataract surgery, due to inflammation inside the eye. Other causes include uveitis, retinal vein occlusion, and certain retinal surgeries.

Identifying and managing the underlying cause is essential for effective treatment.

How Cystoid Macular Oedema Is Diagnosed

Diagnosis of cystoid macular oedema involves a comprehensive eye examination and detailed retinal imaging. Optical Coherence Tomography is commonly used to create cross-sectional images of the retina and measure macular swelling. Fluorescein angiography may also be performed to identify leaking blood vessels. These tests allow ophthalmologists to confirm the diagnosis and monitor response to treatment.

Accurate diagnosis ensures the most appropriate treatment approach is selected.

Treatment Options for Cystoid Macular Oedema

Treatment for cystoid macular oedema depends on the underlying cause and severity of the condition. Anti-inflammatory eye drops may be used in mild or post-surgical cases. In more persistent cases, injections into the eye may be recommended to reduce inflammation and fluid leakage. Laser therapy may be used to seal leaking blood vessels in certain conditions.

Treatment aims to reduce swelling, stabilise vision, and prevent further damage.

Injections and Surgical Management for CME

In some patients, vitrectomy surgery may be recommended to remove scar tissue or inflammatory material contributing to macular swelling. Intravitreal injections may be repeated over time to maintain control of the condition. Vision improvement usually occurs gradually over several months. Ongoing monitoring is important to adjust treatment as needed.

Early intervention improves the likelihood of visual recovery.

Recovery and Long-Term Outlook for Cystoid Macular Oedema

The visual outcome for cystoid macular oedema varies depending on the cause and how early treatment begins. Many patients experience gradual improvement in vision with appropriate therapy. In some cases, residual distortion or reduced clarity may remain. Long-term management may be required for chronic or recurrent cases.

Regular follow-up appointments help maintain retinal health and visual stability.

When to Seek Specialist Care for Macular Swelling

Any new or worsening central vision changes should be assessed promptly. Patients with diabetes or recent eye surgery should be particularly alert to symptoms of macular oedema. Early referral to a retinal specialist allows for faster diagnosis and treatment. Delayed care may reduce the chance of full visual recovery.

Timely assessment plays a critical role in protecting vision.

Cystoid Macular Oedema Frequently Asked Questions