Dry eye – a problem of modern lifestyle 

Dry eye is a problem that is of great concern to patients of all ages today and has a significant impact on their quality of life and their daily activities. It is defined as chronic lack of hydration and adequate moisture of the outer surface of the eyes. Tears are useful to moisten the outer surface of the eye, to remove the dust and microorganisms and protect the eyes from infections and optimize vision by offering clear   refractive media so that a