can somebody tell me what kind of towels opticians use?

Question

Everething I use leaves smears

Answer 1

They are microfiber cleaning cloths.

Here's an example:

http://www.sierratradingpost.com/p/,98517_Aquis-Lens-Cleaning-Cloth.html?cm_mmc=PaidPlacement-_-Google-_-WGOGB6-_-Aquis_Lens_Cleaning_Cloth

Answer 2

Believe it or not, most opticians are using regular paper towel, good brand like bounty, try and see by yourself, it won't leave smears..☺