Bryonia, Alumina, Sulph, Sarsaparilla, Natrum Mur are some of the Homeopathic remedies which can cure dry eyes and specific remedy for a particular patient can be narrowed down on taking more symptoms typical to the patient.
Check out some sites like www.homeopathic.org for more information about Homeopathic Medicine and its use for such ailment. Consult your nearest Homeopath.