Dry eye is a condition in which a person doesn't have enough quality tears to lubricate and nourish the eye. Tears are necessary for maintaining the health of the front surface of the eye and for providing clear vision.
We Use Cookies. 4shared uses cookies and other tracking technologies to understand where our visitors are coming from and improve your browsing experience on our Website. By using our Website, you consent to our use of cookies and other tracking technologies. Change my preferences
