Thinner and lighter than standard lenses, these are an excellent option for individuals with high power prescriptions who want lightweight glasses with less distortion. Its depends on your eye power which Index lenses to be choose by individual.
These lenses can be less than half the thickness of regular plastic lenses and 25% to 30% lighter than regular plastic lenses.
To choose correct lenses according to your eye power, you must seek an expert advice.
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