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.
This is a new technology of tinting the optical lenses, with the tint darker for the upper part of the prescription lens, and the tint gradually becoming lighter for lower part of the lens. This arrangement makes the wearer more at ease by enjoying the better sunshade as well as the better vision acuity seeing through the lower part.
Objective Lenses. The pattern of light formed by the specimen is focused into a real image by the objective lenses. When the proper illumination is provided the resolving power of a microscope depends on the quality of its objective lenses. There are four of them with magnifications of 4X, 10X, 40X, and 100X.