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What is the difference between one wholesale optical laboratory and another? The secret is in the quality of their lens manufacturing. A company that really knows optics and glass work can provide your optical business with great products.

Contact lenses aren’t all the same. There can be a huge difference in quality between one company’s product and another’s. What exactly makes a good contact lens? Let’s look at the tiny details.

Oxygen Permeability

The eyes need oxygen. This is why eye care providers tell customers that they must only wear their lenses 10 hours a day at most. This is also why contacts have to be thrown away so quickly. Without proper oxygen to the eyes, they become irritated and can develop bacterial infections. In the long run, lack of oxygen can permanently damage the eyes.