Just about the most commonly applied demulcents is carboxymethylcellulose (CMC), a cellulose by-product. CMC enhances the viscosity of tears and has mucoadhesive Attributes that let it to remain over the ocular surface for very long periods of time.10 The commercially out there synthetic tear concentration can range from 0.2% https://freemank420jud0.wikijournalist.com/user