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Corneal tattoo with tea infusion
1Cornea Division, Wilmer Eye Institute, Johns Hopkins University, School of Medicine, Baltimore, MD, USA.
Summary
Prolonged tea infusion exposure can harm ocular tissues, potentially causing corneal issues like reduced sensation, stem cell loss, keratinization, and neovascularization in humans.
Area of Science:
- Ophthalmology
- Toxicology
Background:
- Limited research exists on the ocular effects of tea infusion, particularly in human subjects.
- Animal models of cataractogenesis are the primary source of existing literature.
Observation:
- A case study investigated the impact of prolonged tea infusion exposure on ocular tissue.
- The patient presented with a hypesthetic cornea and secondary limbal stem cell loss.
Findings:
- Prolonged tea infusion exposure was associated with corneal keratinization.
- Corneal neovascularization was observed as a consequence of the ocular tissue damage.
Implications:
- This case highlights potential risks of topical tea infusion use on the human eye.
- Further research is warranted to understand the long-term effects and safety of tea infusion on ocular health.

