Has there been cases of Dry Eye that go away after months or years?

Sure. Dry eye syndrome can be caused by many things. Some of the causes include environmental, systemic medication, diseases, contact lenses, refractive surgery, eye medications, occupational, hormonal, & aging to name a few. Some of these causes can be reversible, whereas others are chronic. Treatment mainly involves ocular lubricants, eyelid hygiene, omega 3 rich diet, protective eyewear,& humidifiers.