: Often cited as a cost-effective option, these are used for evaluating tear film breakup time and contact lens fitting. You can find them at Silkrute Bio-Glo Ophthalmic Strips Go to product viewer dialog for this item.

: 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