The Chow surname is a Chinese surname for people from the Chou Dynasty, its main lineage. The name Chow means to encircle in ancient China. Otherwise, in ancient pre-history times, it was the shortened form of Jehovah (God's name)...
Posterior Capsular Opacification: This is the occurrence of a membrane that is hazy (capsule) right behind the intraocular lens implant. This disorder is often denoted as âsecondary cataractâ, although this term is a misnomer since when a cataract is removed it will not develop again.
Opacity (optics) Opacity is the measure of impenetrability to electromagnetic or other kinds of radiation, especially visible light. In radiative transfer, it describes the absorption and scattering of radiation in a medium, such as a plasma, dielectric, shielding material, glass, etc. An opaque object is neither transparent nor translucent. When light strikes an interface between two substances, in general some may be reflected, some absorbed, some scattered, and the rest transmitted. Reflection can be diffuse,