Recently, I replaced my 1.61 index lens with 1.67 and the prescription is the same. But after that, I felt some strain in my eyes. Is this a lens quality issue? - Quora
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Help me figure out how thick my eyeglass lenses will be. - glasses prescription index | Ask MetaFilter
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So I finally got my glasses from Zenni. This is my second time, I used the very same prescription with just a different frame and I decided to add the blokz option
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1.61 Aspheric Ultra Thin Eyeglass Prescription Lenses For Glasses Frames Myopia Reading - Eyeglasses Lenses - AliExpress
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