- Eyewear Round Top Bifocal optical lens
- Refractive Index : 1.49
- Coatings : No Coating
- Quality Grade : A
- Power Range : +1.00 SPH to +3.00 SPH Add +1.00 to +3.00
- Quality Guarantee :No lens color fade , No yellowing
- Life upto 10 months
A round-top bifocal segment can be thought of as the top half of a plus lens (and thus like a base-down prism) Distance lens. (Why it’s called a. ’round top’ segment
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This price is for one pair
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