What does PD in glasses mean?

Your pupillary distance measurement is the distance between your eyes, measured between the centre points on your pupils. We need your PD (pupillary distance) measurement to ensure your glasses fit you perfectly.

What is normal PD for glasses?

The average PD measurements for women is 62mm and for men 64mm. Between 58 and 68 is quite normal though. We do encourage you to ask your optician for your PD measurement.

Is the PD on my glasses important?

After receiving an eye prescription, an optician will take your pupillary distance (PD) measurement before sending off your frames to be fitted with lenses. This is an extremely important number because it measures the distance between your eyes to ensure your pupils match up with the optical centre of lenses.

What happens if my PD is off on my glasses?

Your Glasses

If your pupil distance does not match where the centers of your pupils are, your vision can be affected– Like wearing someone else's glasses! The wrong PD can induce eye strain, fatigue, headaches and blurry vision.

Is a PD of 75 normal?

Average pupillary distance for an adult is between 54-68mm, with acceptable measurement deviations generally falling in between 48mm and 73mm. The range for children is approximately 41-55mm.

How do you measure your PD at home?

Look straight ahead into the mirror and position the ruler over the bridge of your nose. Starting with the right eye, line up the zero end of the ruler at your pupil; measure the distance from your right to your left pupil. The millimeter number that lines up with your left pupil is the measurement you want.

Is a PD of 70 normal?

A general rule of thumb is that most adults have a PD from 55 to 65 while most children have a PD from 42 to 54.

What if my PD is off by 1mm?

What if PD Is Off by 1mm? When the PD is wrong by a millimeter the outcome for the wearer will be very different depending on the lens power in the glasses. A wrong pupillary distance is measured in millimeters. This distance multiplied with the lens power equals the deviation a wrong PD produces.

Does PD affect frame size?

Does Pupillary Distance Affect Eyeglass Frame Size? Yes. Pupillary distance affects the size of your glasses' frames but not the shape. PD influences the shape and size of your lenses.

Can you return glasses to zenni?

The customer may return an order for any reason ONLY on the following terms: Customer must return the glasses to Zenni Optical within 60 days of having received them for a 50% refund, credited back to Customer's credit card, or a one-time 100% store credit refund (excluding shipping) to be used at ZenniOptical.com.

Can you order glasses without PD?

Lots of optometrists will give you a copy of your prescription but not include your PD. That's because they know that, armed with both, you can order your glasses online.

Is PD a prescription?

While PD is an important measurement when it comes to the fit and function of your glasses, it's not technically a part of your vision prescription or eye examination.

What does PD 63 mean?

This would mean that you use 63 as your PD for distance vision. The smaller number would be used only when converting the prescription to single vision reading glasses and multifocal lenses.

How does PD affect lens thickness?

Generally speaking the higher the prescription, the thicker the lens is. The wider the pupillary distance, the lens will be thinner. Since the lens thickness increases as the frame size gets larger, it will utilize the side of the lens, which is also the thicker part.

Is there an app to measure pupil distance?

GlassifyMe's PD Meter App is available for both iOS and Android. All you need is a standard card with a magnetic strip (gift card, rewards cart, or points card) and you can measure your PD using the app in a few quick steps – without the need of a ruler.

What does PD 62 mean?

PUPILLARY DISTANCE (PD) measures the distance between the centers of your pupils. This measurement is used to determine where you look through the lens of your glasses and should be as accurate as possible. The average adult's PD is between 54-74 mm; kids' are between 43-58 mm. PD = 62 mm.

What is a PD of 62 60?

Find it on your prescription, the P.D can be found toward the bottom of your prescription. PD value ranges between 50 mm to 70mm with most common being 62. If your PD contains two numbers, for example 62/60, this means the distance PD is 62 and the near PD is 60.

How do I measure my PD for glasses?

Grab your old glasses and a non-permanent marker pen. Get your partner to mark a small dot where your pupil is behind the lens. Measure the distance between the dots for your total PD.

How do I find out my pupillary distance online?

Measure PD with a Ruler and a Mirror

1. Stand 8 in away from a mirror.
2. Hold a ruler against your browline.
3. Close your right eye.
4. Align the ruler's 0 mm with the center of your left pupil.
5. Look straight ahead.
6. Close your left eye and open your right eye.
7. The mm line that lines up to the center of your right pupil is your PD.

Is a PD of 69 normal?

The average adult PD range is between 54-74 mm. The average child PD range is between 43-58 mm. A dual PD is provided with two numbers and represents the measurement of each pupil center to the center of the bridge of your nose in millimeters.

What does a PD of 60 57 mean?

• 60/57 : distance/reading PD. • 30.5/29.5 : right /left PD (this can be 60 in total) you can fill out PD right/left separately or totally(seperate PD is more accurate)

Can you order glasses online with an expired prescription?

No, you cannot use an expired eyeglass prescription to buy new glasses. The reason for this is simple: our eyes change as we age, and a prescription from several years ago may no longer guarantee clear vision. You may not realize how much your vision has deteriorated since your last eye exam.

How long do Zenni glasses take to arrive?

You Receive Your Glasses

Your eyeglasses are delivered around two weeks from the time we receive your order.

Does Zenni take insurance?

We do not accept insurance. However, some insurance companies will accept an invoice copy for reimbursement. Check with your insurance company, and if they do, you can request an emailed invoice copy from our Customer Service department.

How long does Zenni processing take?

It generally takes about two weeks from the date of your order to get your Zenni eyeglasses. But it can take as little as one to as much as three weeks, depending on the shipping speed you choose when you check out.