Un pahar cu vin. - a glass of wine
Are these to wear, or to drink from?
For drinking ! The word for spectacles (or eye-glasses) is ochelari (masculine gender) Words for a "monocle", are "monoclu" or (the 'frenchy') "lornion" (?) Opera glasses in French are "lorgnon" or "lorgnette" (plural).
un pahar, două pahare