healthcare-ai medical-technology chronic-inflammation dry-eye-disease

Applying a photosynthetic process to treat “dry eye”

Taking a Tip From Plants - For the Eyes?

science.org

August 17, 2026

3 min read

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Summary

Research into dry eye disease (keratoconjunctivitis sicca) identifies chronic inflammation and oxidative stress in eye tissue as common features stemming from various causes such as aging, contact lens use, and decreased tear production. The study explores potential treatments inspired by plant biology to address these conditions.

Key Takeaways

Researchers are developing a thylakoid-like system, named LEAF, to produce NADPH and ATP in eye tissue to combat dry eye disease and reduce inflammation.
LEAF structures have been shown to increase NADPH levels and decrease reactive oxygen species in stressed human corneal epithelium cells and macrophage surrogate cells.
Topical administration of LEAFs in rat eyes demonstrated light-dependent benefits for alleviating dry eye symptoms.
The LEAF structures persist intracellularly for extended periods and have shown normalizing effects on neighboring cells in experimental setups.

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