Fluorescein eye stain is a diagnostic tool used to identify corneal abrasions, foreign bodies, and other ocular surface issues. It is most commonly sold as sterile, individually wrapped paper strips. Popular Buy Options I-Glo Fluorescein Ophthalmic Test Strips
: These strips are a standard tool for detecting corneal injuries or defects. They are available at Med-Vet International KASHSURG Fluoro Touch Ophthalmic Strips
: These are marketed as the only American-made sterile fluorescein strips and feature a lint-free tip for precision. They are available directly from Amcon Labs . Key Review & Usage Insights Fluorescein - StatPearls - NCBI Bookshelf - NIH