how long does it take your eyes to adjust to new glasses
Stockbyte/Stockbyte/Getty Images. Time Frame. Adjusting to new glasses can take up to a week. If you have glasses for the first time, the best way to get used to them is to wear them as often as possible and as directed by your eye doctor.f the lenses are correct, then ask to be rechecked by the doctor to see if the prescription needs to be adjusted. Also, do not wear your old prescription while trying to get used to a new one. This will make the adjustment period take longer. Jupiterimages/Polka Dot/Getty Images.