Identifying new models for human eye diseases By Sara Cassidy, M.S., Ph.D. Although it is difficult to measure the impact of chronic conditions like eye disorders, Prevent Blindness America estimates that eye disorders and vision loss cost $139 billion in 2013, placing these conditions among the most expensive health disorders in the US.
Curing deadly engine vacuum leaks. Vacuum leaks can be located with spray carburetor cleaner or a can of WD-40. If the area is obstructed by linkage or hoses, use an extension nozzle to pinpoint the area of the vacuum leak.
Use an air leak detector to find your leaks. 1  Turn the device on and point it at the areas where you suspect leaks. 2  A small light coming from the device will scan the area you are pointing at. 3  If there is a leak, the light will turn blue if the leaking air is cold, it will turn red if the leaking air is warm.