Usage of words for eyepieces

There are several words describing eyepieces:

Spectacles is used both in Britain and the US, in addition to use by professional opticians. Also in frequent use is the derivative abbreviation, specs.
Pair of glasses (or just glasses) is also used by some people in Britain and North America. It should not be confused with other meanings of the word glass.
Eye glasses or eyeglasses is a word used in North American English. It should not be confused with glass eye, which refers to a cosmetic prosthetic that replaces a missing eye.
Frames is sometimes used to refer to framed eyepieces, although it is not common.
Lenses is also sometimes used to refer to framed eyepieces, although it is not common.

There are also various words referring to eyepieces with darkened lenses:

Sun spectacles is a term used by some opticians.
Sun specs (also sunspecs) is the derivative abbreviation of the above term, and is in use.
Sunglasses is a term in common usage in Britain and North America, and it is also used when preceded by "pair of".
Sun-shades can also refer to the sun-shading eyepiece-type, although the term is not exclusive to these. Also in use is the derivative abbreviation, shades.
Sun Eyeglasses is a term used in America, although it is very rare.
Dark glasses (also preceded by 'pair of') - generic term in common usage.
Smoked Spectacles usually refers to the darkened eyepieces worn by blind people.