![BCLEAR 1.61 Index Free Form Photochromic Progressive Lenses Color Gray | Bifocal lenses, Sunglass lenses, Blue lenses BCLEAR 1.61 Index Free Form Photochromic Progressive Lenses Color Gray | Bifocal lenses, Sunglass lenses, Blue lenses](https://i.pinimg.com/736x/0b/be/67/0bbe67a0d1a2284e744a239303f63ab7.jpg)
BCLEAR 1.61 Index Free Form Photochromic Progressive Lenses Color Gray | Bifocal lenses, Sunglass lenses, Blue lenses
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
![1.61 Aspheric Ultra Thin Eyeglass Prescription Lenses For Glasses Frames Myopia Reading - Eyeglasses Lenses - AliExpress 1.61 Aspheric Ultra Thin Eyeglass Prescription Lenses For Glasses Frames Myopia Reading - Eyeglasses Lenses - AliExpress](https://ae01.alicdn.com/kf/HTB1UjQ8GVXXXXa2XFXXq6xXFXXXP/201641650/HTB1UjQ8GVXXXXa2XFXXq6xXFXXXP.jpg)
1.61 Aspheric Ultra Thin Eyeglass Prescription Lenses For Glasses Frames Myopia Reading - Eyeglasses Lenses - AliExpress
![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 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](https://i.redd.it/cb4bzdydw8141.jpg)