Lactoferrin:  is the major protein secreted in tears via the lacrimal gland which is decreased in dry eye S⁣p⁣F⁣C⁣o⁣n⁣s⁣ ⁣o⁣r⁣e⁣3⁣d⁣U⁣ ⁣⁣⁣⁣⁣⁣E⁣K⁣⁣ ⁣I⁣H⁣⁣⁣ The Schirmer Tear Test steps the rate of tear manufacturing by measuring the level of humidity around the test strip once the test