Annual maintenance. 1  At least once a year, check the air pressure in your captive air tank. 2  Remove the small cap over the air valve. 3  Using a tire air pressure gauge, check the air pressure.  If the pressure is low, check the bladder for 1  leaks. Check the bladder for leaks by depressurizing the water system.
Disease[edit | edit source] Exotropia is a type of eye misalignment, where one eye deviates outward. The deviation may be constant or intermittent, and the deviating eye may always be one eye or may alternate between the two eyes.
Commonly referred to as crossed eyes, esotropia is a common type of strabismus in which one or both eyes turn inward toward the nose. It is most often identified in children between the ages of 2 and 4, although it can occur at any age.