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Lens
1) Can a person make clear what the variation can be amongst contact lens which might be worn for a 30 days vs .. those who might are designed to be put on to get a working day, is he manufactured from various materials?
1) Can a person make clear what the variation can be amongst contact lens which might be worn for a 30 days vs .. those who might are designed to be put on to get a working day, is he manufactured from various materials?