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Subject: аддидация аддидация (relates to ASPHERICAL LENSES ) help!
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ADD = ADD POWER (Sometimes referred to as SEG POWER as well)- It is additional plus power in the lower portion of a multifocal lens (progressive, bifocal, or trifocal) that is required for near vision. http://www.opticsplanet.net/prescription-sunglasses-info.html |
| действительно, ужас... |
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