1 Base curve: a simple spherical curve; the primary lens curve. 2  Lens blank: basic spherical lens; the lab grinds the back of the blank to match the prescription.  Optical center: a spot on a spherical lens where light enters at a 90-degree angle to the lens plane.
In short, a subculture is a group detaching itself from mainstream society, catering to certain people's ideologies and preferences. The punk movement is an excellent example of the rise and fall of a subculture.A subculture is a group of people with different ideologies and usually fashion and music tastes then that of the larger culture they are a part of. Many subcultures also detest the mainstream and commercialization.n short, a subculture is a group detaching itself from mainstream society, catering to certain people's ideologies and preferences. The punk movement is an excellent example of the rise and fall of a subculture.
â¢Subcultures can be an important source of identity, but the relationship between subcultures and. the dominant culture is often one of power, meaning the status of individuals within the dominant. culture may give them the power to define aspects of the subculture through a process of labelling. and this can lead to prejudice and discrimination.