Product Description Schirmer Tear Test strips are gauged for easy reading, helps in measuring the amount of tears produced by an eye. Your diagnosis for dry eye syndrome. The Mark Blu strips have a blue colour mark, making an ideal strip to be used by clinical assistants. SCH(MB)-100 Each strip has a printed mm scale so that they can be easily read. CE Marked Each strip is EO Sterilized Shelf Life 5 Years Packing : Box of 100 Sterile Strips Individually Packed