GETTING MY REFRESH TEARS TO WORK

One of the more frequently used demulcents is carboxymethylcellulose (CMC), a cellulose by-product. CMC raises the viscosity of tears and it has mucoadhesive properties that let it to stay around the ocular surface for very long periods of time.10 The commercially readily available artificial tear concentration can vary from 0.two% to 1%.9 The ampl