A supplied headline refers to a hidden cleanup system in the eye that scientists reportedly had not previously known existed. However, no article text, source, URL or publication date was provided.
What is known
The available material identifies the subject as a scientific finding involving the eye and a cleanup system. It does not explain how the system works, where it is located, which researchers identified it or why the discovery may matter.
Why more information is needed
Without the underlying research or additional reporting, the discovery cannot be assessed in terms of its evidence, medical relevance, scientific implications or potential applications. Further details would be required to evaluate the finding and its significance.