Contact lenses

## Icon Request

* Icon name: contact-lenses
* Use case: products / educational
* Screenshots of similar icons:

This request identifies a new contact-lenses icon and provides a screenshot of similar icons, but it does not name a file, test, or implementation entry point. Start by examining the repository's existing icon conventions; done means adding an icon named contact-lenses that matches the requested use case and project style.

Written by the indexing model from the issue text.