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Understanding
My Prescription

If you are going to shop prescription glasses with OZEAL, acquiring and understanding your prescriptions are equally important. In order to help you avoid any mistake or misunderstanding while you are input your prescription, we are about to give you a brief explanation.



How to Get My Prescription?

If you have your eyes examined already but with no prescription at hand, you can ask your eye care provider for a copy because they are obliged to give you one.

Little Tip : If your eye care provider doesn't offer you the copy of your eyeglass prescription at the end of the eye examine, remember to ask for it for future convenience.


How to Read My Prescription?

Terms & Abbreviations

Either terms or abbreviation in your prescription seem confusing and mysterious. What do they stand for? Check it out.

Terms & Abbreviations

And there are also some terms that are usually left with blank.

Intermediate addition (INT ADD)

The INT ADD is used for intermediate correction.

Prism

If there is muscle imbalance between your eyes, your Prism can provide the correction and make your eyes work more comfortably. And you might have more than one Prism value.

H-Prism: Horizontal Prism is what put in glasses to compensate for the horizontal misalignment of your eyes.

V-Prism: Vertical Prism, Vertical misalignment of your eyes might cause a double vision with one image higher than the other in your eyes.

Base

If you need prism correction, a base direction is needed. It will write asfollows: Up, Down ("DN"), In and Out. Each of your Prism values should have a corresponding Base direction.

DS

"Dioptre Sphere", simply means that the Cylinder value is zero.

Examples & Explanations

In UK, there are four major types of prescriptions: HNS, BOOTS, VISION EXPRESS, and SPECSAVERS

1. HNS prescription

HNS Prescription

The above prescription should be entered as follows:

HNS Prescription

As to the values of Prism, Base and INT Add, you can leave a message in "Additional Note" and OZEALguarantee you will receive the exact glasses you need.

2.Boots prescription

Boots prescription

The above prescription should be entered as follows:

Boots prescription

3.Vision Express prescription

Vision Express prescription

The above prescription should be entered as follows:

Vision Express prescription

4.Specsavers prescription

Specsavers prescription

The above prescription should be entered as follows:

Specsavers prescription
Please NOTE
  • We are sorry that ozealglasses.co.uk can't accept prescriptions with following ranges:
  • SPH greater than -8.00 / +6.00
  • CYL greater than +/-4.00
  • ADD greater than +4.00
  • If there is more than 5.00d difference between each eye

If you still have any problem, please contact usfor professional help.


How to measure your PD?


PD refers to the distance between the two centers of your pupils. We recommend you ask your eye doctor for PD while you are taking an eye test so as to guarantee 100% accuracy. In cases that you have a valid prescription (less than two years old) without PD at hand but need to use it right away, we would love to introduce a simple method to you.

  • Find someone for help, friend, partner, anyone is OK.
  • Make sure your friend or partner sits at roughly the same height as you do and face you.
  • Ask them to hold a millimeter ruler on the bridge of your nose, keep it straight.
  • Remind them to adjust the rule "0" until it is exactly in line with the center of your left pupil.
  • Ask them to read the measurement between the left pupil and right pupil. (Remember to look ahead while they are reading the measurement).
  • Repeat it 3 to 4 times for accuracy.
measure your PD

Little Tip: In order to make the distance between the optical centers of your glasses lenses the same as the distance between the centers of your eyes, Pupillary Distance is the key. So if you still don't have the correct PD, remember to ask for it from your eye doctor next time you have your eyes examined. PD won't change if you are an adult, so one correct PD is enough for life-long use.

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