Variations in Ocular Surface Metrics Among Patients with Lacrimal Duct Obstruction at Different Locations
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By
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Xiao-lin Zhang
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Jia-yin Chen
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Meng-ru Li
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Ya-li Liu
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Hui-min Zhang
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Jiang-Wei Fu
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Min Hu
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December 2, 2025
Clinical Scorecard: Variations in Ocular Surface Metrics Among Patients with Lacrimal Duct Obstruction at Different Locations
At a Glance
| Category | Detail |
|---|
| Condition | Lacrimal Duct Obstruction (LDO) |
| Key Mechanisms | Inflammatory responses or idiopathic fibrosis affecting tear film stability. |
| Target Population | Patients diagnosed with lacrimal duct obstruction. |
| Care Setting | Ophthalmology clinics. |
Key Highlights
- LDO is a common cause of epiphora and can impact tear film stability.
- Dry eye syndrome is prevalent among patients with LDO.
- Significant differences in ocular surface metrics were observed based on obstruction location.
- Cytokine imbalances in tear fluid are noted in patients with Primary Acquired Nasolacrimal Duct Obstruction.
- Treatment options like punctal occlusion can improve tear film stability.
Guideline-Based Recommendations
Diagnosis
- Diagnosis of LDO should be based on clinical criteria and comprehensive ocular surface analysis.
Management
- Consider treatments such as punctal occlusion to enhance corneal sensitivity and improve tear film stability.
Monitoring & Follow-up
- Regular assessment of tear breakup time and ocular staining scores is recommended.
Risks
- Avoid invasive procedures in patients with a history of lacrimal system disorders.
Patient & Prescribing Data
74 patients (94 eyes) diagnosed with LDO.
Inclusion criteria focused on patients with complete clinical data and informed consent.
Clinical Best Practices
- Utilize a comprehensive ocular surface analyser for objective assessment.
- Employ standardized scoring methods for dry eye indicators.
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