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BOZD
(Back Optic Zone Diameter) |
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| The BOZD (Back Optic Zone Diameter) is the diameter of the back optic zone (front or back) of a contact lens measured to the surrounding junction. The BOZD depends mainly on pupil size and is usually chosen to be 1.50mm larger than pupil size. A larger BOZD gives a greater sag of contact lens and therefore a steeper fitting but a smaller BOZD is often chosen with a toric cornea to reduce the area of mismatch. |
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This feature will be shown at London Eyewear with the following icon:
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BOZD (Back Optic Zone Diameter)
The BOZD (Back Optic Zone Diameter) is the diameter of the back optic zone. |
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• Find Contact Lenses with a special BOZD in the Advanced Search
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Highlight of the month |
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EA 9331/S / 048/LX
by Emporio Armani
 One of the largest and most influential fashion labels of our time captivates in its collections with large simplicity and timeless elegance.
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£ 71.20 |
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[ Details ] |
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