How to Measure your PD (Pupilar Distance) yourself:
More often than not, your optometrist will not write your PD #’s on your Rx. If that’s the case, you can call your optometrist or whomever made your glasses last for your PD. If they refuse to give your PD, you will need to measure it yourself, which fortunately is very easy. Here’s how:
1. You will need: i. glasses you normally wear, ii. sharpie or dry erase marker, iii. a friend.
2. Sit in a chair & wear your daily eyeglasses.
3. Have your friend sit your friend directly in front of you
4. Your friend will look at you directly eye to eye & locate where your pupils are. It is important your friend’s eyes are as level as possible to yours.
5. Using a sharpie marker, your friend will dot on EACH eyeglass lens the center of each pupil. Make sure to look straight ahead. Do not follow the path of the marker. It will help if your friend shuts one eye while dotting the lenses. For accuracy, do not rush through this step.
6. Now it is time to measure the distance between the two dots. Place a ruler w/ millimeters face up on a table. Take off your glasses, & place the dot on the left lens directly over 0 millimeters. Keep one eye shut for most accuracy when lining up the dots above the ruler. Then notate the measurement of the right dot on the ruler in millimeters.
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