Ten Facts Every Ophthalmologist Should Know About Lubricating Eye Drops
Introduction Artificial tear substitutes lubricate and protect the ocular surface and provide relief from ocular dryness, irritation, and burning sensation. They play a major role in providing symptomatic relief and are widely used for all types of dry eye diseases and nonspecific causes of ocular fatigue as well. Choosing the right kind of lubricating drops is of utmost importance. A number of reasons including lifestyle changes, increased computer and digital screen usage, and awareness of dry eye have resulted in an increase in the utilization of these eye drops. It is important to understand a few simple features of these drops to optimize their beneficial effects.[1] Commercially available lubricating eye drops have varying composition, viscosity, duration of action, preservatives, osmolarity, and pH. This article discusses the composition of tear substitutes and the mechanism of action on the ocular surface. 1. Role of lubricating eye drops on the ocular surface The main purpose

