the normal volume of tears in the eye is 6 microlitres
the turnover rate of tears in the eye is 1.2 microlitres per minute
the composition of tears is similar to the electrolyte concentration found in plasma; tears are rich in proteins, particularly IgA; tears also contain beta-lysin and lysozyme (both of these substances have antibacterial properties)
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.