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What Are Kissing Choroidal Detachments?

Kissing choroidal detachments are large choroidal elevations in which opposing detached lobes bulge toward the center of the eye and touch each other. They occur when fluid accumulates in the suprachoroidal space, lifting the choroid away from the sclera. This often happens in eyes with very low intraocular pressure or severe inflammation. On exam or ultrasound, the apposed choroidal folds resemble two rounded masses meeting in the middle. The condition can threaten vision if not treated promptly.

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What Are Kissing Choroidal Detachments?

Kissing choroidal detachments are large choroidal elevations in which opposing detached lobes bulge toward the center of the eye and touch each other. They occur when fluid accumulates in the suprachoroidal space, lifting the choroid away from the sclera. This often happens in eyes with very low intraocular pressure or severe inflammation. On exam or ultrasound, the apposed choroidal folds resemble two rounded masses meeting in the middle. The condition can threaten vision if not treated promptly.

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Causes of Kissing Choroidal Detachments

Frequent causes include hypotony after glaucoma or retinal surgery, wound leaks, and ciliochoroidal detachment from inflammation or trauma. Uveal effusion syndrome and severe scleritis can also lead to large choroidal detachments. In some cases, overfiltration from a filtering bleb after glaucoma surgery produces marked pressure drop and fluid shift. Identifying the trigger, such as a leaking wound or active inflammation, guides urgent management.

Symptoms and Clinical Features

Patients can experience blurred vision, shadows, or a sense of reduced visual field when kissing choroidal detachments develop. Some report eye pain, ache, or pressure, particularly if inflammation or hypotony is acute. On dilated exam, the peripheral fundus may be difficult to view, and brown, dome shaped elevations can be seen. B scan ultrasonography is helpful to show apposed choroidal lobes and to distinguish them from retinal detachment. Anterior chamber shallowing and low intraocular pressure are common associated findings.

How Are Kissing Choroidal Detachments Diagnosed?

Diagnosis relies on careful examination and imaging. Indirect ophthalmoscopy or wide field imaging shows elevated, often peripheral choroidal folds that meet centrally. B scan ultrasound confirms thick, smooth, echo dense choroidal detachments that touch in the vitreous cavity. Intraocular pressure measurements, gonioscopy, and anterior segment evaluation help identify hypotony and wound status. The clinical context, such as recent surgery or inflammation, supports the diagnosis.

How Are Kissing Choroidal Detachments Treated?

Treatment targets both the choroidal detachment and the underlying cause. Hypotony from wound leaks or overfiltration is addressed with suturing, bandage contact lenses, or revision of surgical sites. Cycloplegic agents and systemic or topical steroids are used when inflammation contributes. In cases with persistent, large detachments or associated retinal pathology, surgical drainage of suprachoroidal fluid may be needed. Close monitoring tracks resolution and checks for complications such as permanent vision loss.

FAQs About Kissing Choroidal Detachments

Are kissing choroidal detachments an emergency?

They warrant urgent evaluation and timely management because they signal marked hypotony or inflammation that can endanger vision. Acting quickly improves the chance of full or near full recovery. Any sudden drop in vision after eye surgery should be assessed right away.

Can kissing choroidal detachments go away on their own?

Smaller detachments can resolve as intraocular pressure and inflammation normalize. Large, apposed lobes are less likely to clear without active treatment. Regular follow up and repeated imaging show whether fluid is receding.

How are kissing choroidal detachments different from retinal detachment?

Choroidal detachments involve separation of the choroid from the sclera, while retinal detachments involve separation of the neurosensory retina from the retinal pigment epithelium. On ultrasound, choroidal detachments appear thicker and more rigid. Distinguishing the two is important because treatment approaches differ.

What long term problems can follow kissing choroidal detachments?

Potential issues include chronic hypotony, cystoid macular edema, or optic nerve damage from prolonged low pressure. Some patients develop chorioretinal scarring that affects vision. Lifelong follow up may be needed, especially in eyes with complex surgery.