Other causes of ectropion are scarring, burns, trauma (called cicatricial ectropion), spasm of the orbicularis muscle, which may affect either the upper or lower eyelid, or paralysis of the orbicularis muscle in which only the lower eyelid is affected.
It is possible that there is nothing wrong with your water heater. There is a pressure relief valve on top that may be releasing water because your primary water pressure reduction valve for the house is worn out. The fact that the leak is intermittent suggests this.
Leaking Hot Water Heater Pipes. A leaking hot water heater can result from leaks in the pipes. At the top of your hot water heater you have an inlet and an outlet pipe. The cold water comes in and hot water goes out. There is usually an union on each one that allows for the removal of the hot water tank.