There are factors that influence crevice corrosion. 1  These include: 2  The type of crevice: either metal to metal or metal to nonmetal. 3  The geometry of the crevice: including the size of the gap, its depth and the surface roughness. 4  The composition of the metal: the structure of the alloy composition and can be Cr, Mo, or others.
1 Allergies - Allergic reactions can lead to leaks in the subcutaneous capillary beds which can cause swelling in the face, including around the eyes.  Skin disorders - Eye puffiness can be a side effect of certain skin disorders, such as dermatitis, if the affected area becomes very sensitive, leading to swelling.
Sometimes, the swollen under eyes may be associate with fever, pain or itchiness in the eye or distorted vision. Such conditions could be a sign of some serious eye problem. There are more than 100 causes which can contribute to puffy eyes; out if which some might be rare. To treat a condition, the cause must be identified first. An immediate medical consultation is a must when the matter is with your delicate eyes.