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The Ophthalmologist / Issues / 2026 / January / Gut Instinct
Anterior Segment Latest News

Gut Instinct

Does stomach surgery raise the risk of dry eye disease? A Korean study offers new clues

By The Ophthalmologist 1/6/2026 2 min read

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Clinical Scorecard: Gut Instinct

At a Glance

CategoryDetail
ConditionDry Eye Disease (DED)
Key MechanismsGut dysbiosis, nutrient absorption, immune signaling
Target PopulationPatients undergoing gastrectomy, particularly those aged 60+, males, urban residents, and lower-income groups
Care SettingOphthalmology and gastrointestinal surgery

Key Highlights

  • Gastrectomy significantly increases the risk of developing dry eye disease.
  • Total gastrectomy has a higher adjusted hazard ratio (HR) of 1.40 compared to 1.09 for gastrectomy.
  • Colectomy does not show an increased risk of dry eye disease.
  • Nutritional assessment may be necessary for post-gastrectomy patients with ocular symptoms.
  • The study emphasizes the connection between gastrointestinal health and ocular surface integrity.

Guideline-Based Recommendations

Diagnosis

  • Monitor post-gastrectomy patients for early signs of dry eye disease.

Management

  • Consider nutritional assessments focusing on vitamin A, omega-3 fatty acids, and zinc.

Monitoring & Follow-up

  • Increased surveillance for ocular surface symptoms in patients post-total gastrectomy.

Risks

  • Higher risk of dry eye disease associated with gastrectomy, particularly total gastrectomy.

Patient & Prescribing Data

Post-gastrectomy patients

Nutritional deficiencies may contribute to ocular surface symptoms.

Clinical Best Practices

  • Collaborate between ophthalmology and gastrointestinal surgery for comprehensive patient care.
  • Assess systemic inflammatory burden in patients with complex histories.

References

  • Korean National Health Insurance Service Study

This content is an AI-generated, fully rewritten summary based on a published scholarly article. It does not reproduce the original text and is not a substitute for the original publication. Readers are encouraged to consult the source for full context, data, and methodology.

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