Conjunctivochalasis: The Redundant Conjunctiva Behind Unexplained Tearing

Conjunctivochalasis is a common, often underrecognized cause of chronic tearing and ocular irritation, in which loose, redundant folds of bulbar conjunctiva, typically along the inferior lid margin, mechanically interfere with normal tear drainage and tear film stability, producing symptoms that are frequently mistaken for simple dry eye or nasolacrimal duct obstruction until the conjunctiva itself is examined closely.

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What Conjunctivochalasis Is

Conjunctivochalasis results from a loss of the normal firm attachment between the bulbar conjunctiva and the underlying sclera, related to age-related degeneration of the connective tissue anchoring the conjunctiva, allowing the conjunctiva to become loose and redundant, most typically along the inferior fornix and lid margin.

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Why Redundant Conjunctiva Causes Tearing

This is one of the more counterintuitive aspects of the condition, since patients with conjunctivochalasis present with tearing, a symptom more often associated with too much fluid rather than a surface fold.

• The redundant conjunctival tissue physically disrupts the tear meniscus along the lower lid, interfering with the normal tear film reservoir and its distribution across the ocular surface
• The loose folds can mechanically obstruct the punctum, the tear drainage opening, particularly during blinking, impairing normal tear outflow
• Redundant conjunctiva can undergo mechanical irritation with blinking, producing a secondary reflex tearing response
• The combination of disrupted tear film distribution and impaired drainage produces both an unstable tear film (with dry eye-like surface symptoms) and overflow tearing (epiphora), sometimes in the same patient

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Clinical Presentation

• Chronic tearing (epiphora), often the presenting complaint, sometimes leading to an initial, incorrect workup for nasolacrimal duct obstruction
• Ocular irritation, foreign body sensation, and mild discomfort, particularly with blinking
• Visible loose, redundant folds of conjunctiva, most prominent along the inferior bulbar conjunctiva near the lid margin, often more apparent on downgaze or with gentle lid manipulation during examination
• Symptoms and findings are often more prominent temporally or nasally depending on the pattern of conjunctival redundancy
• A relatively normal-appearing tear film on basic testing in some patients, which can make the diagnosis easy to overlook if the conjunctiva itself is not specifically examined

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Diagnosis

Diagnosis is clinical, based on careful slit-lamp examination looking specifically for redundant conjunctival folds along the lower lid margin, particularly when a patient presents with tearing that has not responded to standard dry eye or punctal evaluation.

Excluding other causes of epiphora, including nasolacrimal duct obstruction (which can be assessed with lacrimal irrigation) and punctal stenosis, is an important part of the workup, since conjunctivochalasis can coexist with, or be mistaken for, these other causes of tearing.

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Management

Conservative Measures

• Lubrication with artificial tears, which can provide some symptomatic relief, though it does not address the underlying mechanical cause
• Topical anti-inflammatory treatment for any associated surface inflammation

Surgical Management

For patients with significant, persistent symptoms not adequately relieved by conservative measures, surgical excision of the redundant conjunctival tissue is the definitive treatment.

• Conjunctival resection, removing the excess, redundant conjunctiva and allowing the remaining tissue to heal in a tauter, better-anchored position, is the standard surgical approach
• Various techniques exist for managing the resulting conjunctival defect, including primary closure, allowing healing by secondary intention, or using adjunctive materials such as amniotic membrane in more extensive cases
• Thermal or radiofrequency cautery techniques have also been described as alternative or adjunctive approaches to reduce conjunctival redundancy

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Outcomes

Surgical treatment of conjunctivochalasis generally provides good relief of both the tearing and irritation symptoms in appropriately selected patients, restoring more normal tear meniscus formation and punctal apposition.

Careful patient selection, confirming that conjunctivochalasis is genuinely the primary driver of symptoms rather than a coexisting but non-causative finding, supports the best surgical outcomes, since redundant conjunctiva is common with advancing age and not all cases are symptomatic enough to warrant surgical intervention.

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Clinical Significance

Recognizing conjunctivochalasis as a distinct, specifically treatable cause of chronic tearing, separate from the more commonly considered causes such as dry eye and nasolacrimal duct obstruction, prevents both unnecessary and ineffective treatment directed at the wrong underlying problem and, when surgery is appropriate, offers a good chance of definitive symptom relief.

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References

1. Meller D, Tseng SC. Conjunctivochalasis: literature review and possible pathophysiology. Surv Ophthalmol. 1998;43:225-232.
2. Di Pascuale MA, Espana EM, Kawakita T, Tseng SC. Clinical characteristics of conjunctivochalasis with or without aqueous tear deficiency. Br J Ophthalmol. 2004;88:388-392.
3. Youm DJ, Kim JM, Choi CY. Simple surgical approach with high-frequency radio-wave electrosurgery for conjunctivochalasis. Ophthalmology. 2010;117:2129-2133.
4. Balci O. Clinical evaluation of conjunctivochalasis with and without dry eye. Ocul Surf. 2014;12:65-71.