Simplified, Readily Available Method for the Treatment of Band Keratopathy With Ethylenediaminetetraacetic Acid.

Purpose: To compare 3 methods for creating ethylenediaminetetraacetic acid (EDTA) solution using readily available Vacutainer tubes for the treatment of band keratopathy.

Methods: All 3 protocols used commercially available Vacutainer blood collection tubes coated with K2EDTA. An osmometer was used to measure and compare the concentration of EDTA created using 3 different protocols.