Pemphigus vulgaris. Pemphigus vulgaris Pemphigus is a rare skin disorder characterized by blistering of your skin and mucous membranes. The most common type is pemphigus vulgaris, which involves painful sores and blisters on your skin and in your mouth.
service and quality very seriously. answer for everything eyewear! Gradient Tint. Gradient tint is the term used to describe a lens with a fully tinted upper portion that gradually diminishes towards the bottom. Ultimately, the bottom section of a gradient lens will be completely clear.
Along with VLT, the other major consideration for a goggle lens is tint. Dark brown tints are most commonly used for sunny days. For storm days, or just overcast, flat-light conditions, most skiers and boarders find yellow or rose tints with a high VLT of 70 percent or more add the most definition to the terrain.