How to measure your Pupilary Distance - Great info if you like to order glasses online and save a ton of money. Many doctors leave the PD off your script to prevent you from being able to order online.
Seventy Five Percent of us need glasses! That's right, three out of four of us require vision correction to some degree. It makes sense. Especially when you factor in that many people are born with poor vision, the affects of age and loss of focus flexibility, and the rise of time spent s