Dry-eye syndrome (DES) is a common ocular disorder, affecting an estimated 25% of patients presenting to general ophthalmology clinics. 1 The incidence of DES varies significantly depending on the age of the population studied and the signs and/or symptoms considered for making the diagnosis. Recent studies suggested that over nine million Americans suffer from a clinically significant form of DES and many more millions are thought to have either a milder form of the disease or intermittent manifestations. SS is more common in females, with a female:male ratio of 9:1.
11,12Although SS can be seen in all age groups, it is most commonly encountered in the fourth and fifth decades of life. 6 Over 90% of SS patients are females in their mid-50s, around the age of menopause. to conserve tears. Preservative-free tear substitutes, topical steroids, cyclosporine A, autologous serum eye-drops and punctal plugs are commonly used for this purpose.