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.
Updated February 20, 2017. Definition: A gradient, or graduated fill, is a color fill that gradually blends from one color to another. A gradient can contain more than two colors, all fading smoothly from one to another. Gradients are very useful for creating shading for three-dimensional and metallic effects.