Dry keratoconjunctivitis and other diseases accompanied by a syndrome "dry eye", which is expressed in lacrimation, itching and burning, sensation foreign body in the eye. Including, eye irritation (as a result of exposure to dust, smoke, while working with a computer - "office eye syndrome"), insufficient lacrimation, Stevens-Johnson syndrome, Sjogren's disease, eyelid diseases, resulting in inadequate contact of the cornea with a tear (ectroplon, entropion, blepharitis), rehabilitation therapy after laser and surgical interventions on the cornea.