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The importance of a good semi-finished lens:
1. Semi-finished lens need to have a high qualified rate in power accurancy, stability and cosmetics quality.
2. High optical features, good tinting effects and hard-coating/AR coating results, realizing the maximum production capacity are also available for a good semi-finished lens.
3. Semi-finished lens can be reprocessed to RX production, and as semi-finished lens, not just superficial quality, they are more focus on the internal quality, such as precise and stable parameters, especially for the popular freeform lens.
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