Understanding Central Serous Retinopathy

What is Central Serous Retinopathy?

Central serous retinopathy (CSR) is a condition where fluid accumulates under the retina and symptoms generally include blurred, distorted vision or micropsia (objects appearing smaller).

It is more common in males, typically in the young or middle-aged (20-50 years).

The specific cause of CSR is unknown but it is thought to be associated with stress, fatigue and steroid use.

Diagnosing CSR

Patients with suspected CSR are required to have investigations such as a fluorescein angiogram and an OCT scan to determine the site of fluid leakage and confirm the diagnosis.

The OCT test is very important as it provides information on fluid accumulation inside the retina. It is also useful in following the progression of the condition as it gives an indication of how much fluid remains under the retina with each follow-up.

Treatment of CSR

Treatment usually involves a period of initial observation (for approximately 3-6 months) as most cases of CSR tend to resolve without any treatment.

If the condition does not improve, photodynamic laser therapy or focal laser may be effective in resolving the fluid and improving vision.
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Fig 1. Fundoscopic view of Central Serous Retinopathy.
Image - Central Serous Retinopathy
Fig 2. A - OCT scan demonstrating sub retinal fluid accumulation. B - Resolution after 2 months of photodynamic laser therapy.
Image - OCT scan


The information provided here is for general education only and should not be construed as individual medical advice. For advice relevant to your particular situation, please speak to Dr Hornsby.