Hi Index lenses
Lens guideÂ
We use HOYA lenses as standard.
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HI Index also know as thinner lenses or thinned down lensesÂ
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 Thinning your lens, makes your lens lighter & thinner.
1.6 index recommended  for prescriptions equal to or greater than +/- 4.00D
1.67 index recommended  for prescriptions equal to or greater than +/- 6.00D
1.74 index recommended  for those that want the thinnestÂ
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