Crevice corrosion refers to the attack of metal surfaces by a stagnant solution in crevices, for example in nuts and rivet heads. When dust, sand and other corrosive substances are deposited on surfaces, they create an environment where water will accumulate and corrode the part. It can happen between two metals or between a metal and a nonmetal.
he said he hasnt really seen someone who's eye has been constantly pulsing like mine had. it usually comes and goes but for some reason mine is continual. he said stress fatigue and caffeine are the main causes but i dont know.. he said i should see a neurologist because the consistency of it makes him worried.
Causes of flashes in your vision. As the vitreous âgelâ within your eye shrinks, it may pull on the retina (the focusing surface at the back of your eye). If the retina is peeled away from the back of the eye, it can cause flashes of light in your vision to occur. A retinal tear or detached retina is a serious and potentially sight-threatening condition.