If a person is wearing spectacles it means he is wearing a pair of glasses. The word spectacles is rarely used in this day and age.
what is the person wearing if he has on spectacles.?
Eyeglasses.
Metal and or plastic frames. The lens are usually clear plastic, rather than the previous glass lens.
Gunpowder, compass, match, printing press, microscope, spectacles, submarine, flush toilet, clocks, wallpaper and artillery.
the bifocal spectacles, lower compartments on ships keeping water out, and the odometer are used today.
what is the person wearing if he has on spectacles.?
what is the person wearing if he has on spectacles.?
what is the person wearing if he has on spectacles.?
The same person as if they were not wearing spectacles. Spectacles are worn to correct vision disorders.
Is an optician
Eyeglasses.
An optician
A Optician
optician
The curved glass in a pair of spectacles is called a lens. You will find that most spectacles are fitted with plastic lenses rather than glass lenses. The curvature of the lens determines the power/prescription/lens strength. Lens thickness, weight and curvature will vary from person to person depending on what type of prescription they need.
I can't find my spectacles!
There is no specific collective noun for 'spectacles' (or 'eyeglasses), most likely because spectacles aren't normally found in groups. However, if there is a group of spectacles, any noun suitable for the situation can function as a collective noun; for example a box of spectacles, a pile of spectacles, a row of spectacles, etc.