To provide a vessel exclusive for specified person as a portable eye- washing device capable of being released from the complicatedness of washing before and after use of the vessel in order to keep the cleanliness and saving a water resource used for washing.

In this device, the washing before and after use is dispensed with by using a disposable vessel, and the cleanliness of the vessel is kept by preliminarily sealing a wash therein. As the wash, a component requiring no refrigeration is used to simplify the storage. The wash is prepared as a solution of a concentration close to physiological saline so as not to immoderately stimulate the eyes. Accordingly, a pollution-free condition can be arranged even if it is disposed after use.