Choice of artificial tear formulation for patients with dry eye: where do we start?

Dry eye is prevalent in many parts of the world. As a result, ophthalmologists and other health care professionals, such as optometrists and general practitioners, often help these patients manage their symptoms. The most common form of treatment for management of dry eye is over-the-counter tear lubricants. A number of tear lubricant formulations are available that vary by their mechanism of action. This article suggests simple guidelines on how lubricants can be selected for patients with mild to moderate dry eye. Side effects of lubricants, such as burning on instillation because of mismatches of eye drop with tear acidity, are also discussed.