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What Is a Serous Retinal Detachment?

A serous retinal detachment (also called an exudative retinal detachment) happens when fluid collects under the retina without a retinal tear. The fluid lifts the sensory retina away from the layer beneath it, which can blur or distort vision. The source is usually leakage from inflamed or abnormal blood vessels in the retina or choroid. Treatment focuses on finding and treating the condition that is driving the leakage.

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What Is a Serous Retinal Detachment?

A serous retinal detachment (also called an exudative retinal detachment) happens when fluid collects under the retina without a retinal tear. The fluid lifts the sensory retina away from the layer beneath it, which can blur or distort vision. The source is usually leakage from inflamed or abnormal blood vessels in the retina or choroid. Treatment focuses on finding and treating the condition that is driving the leakage.

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What Causes a Serous Retinal Detachment?

A serous retinal detachment forms when fluid leaks into the subretinal space and the retina lifts up. Inflammation inside the eye can trigger leakage, including posterior uveitis, posterior scleritis, and related inflammatory conditions. Vascular problems can also drive it, such as severe hypertension-related choroidopathy or pregnancy-related hypertensive disease. Tumors of the choroid or retina can leak fluid and create a localized detachment. Some cases are linked with central serous chorioretinopathy, where choroidal leakage builds fluid under the macula.

What Are Serous Retinal Detachment Symptoms?

Blurred central vision is common when the macula is involved, and straight lines can look wavy or bent. A dim or gray area in the center of vision can appear if fluid collects under the fovea. Some people notice a change in image size between eyes, such as objects looking smaller or farther away in the affected eye. Symptoms are often painless, which can make the change easy to miss at first. A sudden increase in floaters, flashing lights, or a curtain-like shadow needs urgent evaluation because it can signal a different type of detachment or bleeding.

How Is a Serous Retinal Detachment Diagnosed?

A dilated retinal exam can show an elevated, smooth-looking detachment that shifts with gravity in some cases. Optical coherence tomography (OCT) can confirm subretinal fluid and show whether the macula is involved. Fluorescein angiography or indocyanine green angiography can help locate leakage points and reveal inflammation or abnormal vessels. Ultrasound imaging can help when the view to the retina is limited or when a mass is suspected. Workup often includes checking systemic clues, such as blood pressure or inflammatory symptoms, to identify the driver.

How Is a Serous Retinal Detachment Treated?

Treatment targets the cause of the fluid rather than the retina itself. Inflammatory causes are often treated with anti-inflammatory medicine under an eye specialist's direction, and infection-related causes are treated with the right antimicrobial therapy. When abnormal new vessels are present near the macula, anti-VEGF injections are commonly used to reduce leakage and protect central vision. If severe hypertension is the trigger, blood pressure control is part of the plan alongside eye monitoring. Close follow-up matters because persistent fluid can damage photoreceptors and lead to lasting vision changes.

Frequently Asked Questions About a Serous Retinal Detachment

Is a Serous Retinal Detachment Different From a Rhegmatogenous Retinal Detachment?

Yes. A serous detachment comes from fluid leakage under the retina without a retinal tear. A rhegmatogenous detachment starts with a retinal break that lets vitreous fluid slip under the retina. The evaluation and treatment approach differs, so an eye exam is needed.

Is a Serous Retinal Detachment an Emergency?

It can be urgent, especially if vision changes are sudden or severe, or if the cause could be systemic, such as very high blood pressure. Rapid care is also needed if symptoms suggest bleeding or a tear-based detachment. Same-day assessment is a safe choice when symptoms start abruptly.

Can a Serous Retinal Detachment Go Away?

Some cases improve when the underlying cause is treated, and the subretinal fluid can reabsorb over time. Risk depends on the trigger and how long fluid has been present. Persistent fluid can leave lasting distortion, so follow-up imaging matters.

References

Exudative Retinal Detachment. EyeWiki. https://eyewiki.org/Exudative_Retinal_Detachment. Date Accessed February 4, 2026.

Exudative Retinal Detachment. StatPearls (NCBI Bookshelf). https://www.ncbi.nlm.nih.gov/books/NBK589701/. Date Accessed February 4, 2026.

Detached Retina. American Academy of Ophthalmology. https://www.aao.org/eye-health/diseases/detached-torn-retina. Date Accessed February 4, 2026.

Retinal Detachment. MedlinePlus. https://medlineplus.gov/retinaldetachment.html. Date Accessed February 4, 2026.

Retinal Detachment. Cleveland Clinic. https://my.clevelandclinic.org/health/diseases/10017-retinal-detachment. Date Accessed February 4, 2026.