If there is an proof of anterior segment condition in one eye, utilize the strip on the uninvolved eye first or use individual strip for every eye. Fluorescein sodium ophthalmic strips are accustomed to staining from the cornea. Phase 1: area a drop of sterile usual saline on the Fluorescein https://fluorescein-strips78640.designertoblog.com/36252656/everything-about-schirmer-tear-test