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.
What are some causes of an abnormally large (dilated or mydriatic) pupil? After trauma to the eye, the iris tissue can be injured causing the pupil to not constrict to bright light normally. Another possible cause is Adieâs tonic pupil syndrome. This is a condition most common in young adult females, which usually begins in one eye. The pupil is sluggish to react to light.