I would think that a mask would prevent a cough from travelling far at all and contain a majority of the droplets.
1 sneezze travels as a fine mist 100 MPH, 6-8 feet, Cough 50 MPH same fine mist 6-8f feet. NO Contacts use glasses, you have to put them in and take out. Long time since I wore them but they can be a pain in the butt at this time.
DO NOT touch any magazine in any office, or ink pen. They have more than the virus on them.
Use two layers of banadana, and a tight furnace filter material .3 Micron in center. At beest get a roll of Viva paper towels, change out often.
https://www.youtube.com/watch?v=3hcSCgAD8f8 it helps keep your hands and fingers away from mouth and eyes. They have a link where you can buy 1. Wash often, and dry high heat. Some are using coffee filters. would not recommend it. Tear up a furnace filter for the inner filter.