Is there anything thinner than 1.74 high index lenses? Do these lenses cause any strain on eyes? - Quora
Is there anything thinner than 1.74 high index lenses? Do these lenses cause any strain on eyes? - Quora
![Oculos Juliete 1.9 Refractive Index High Number Customized Lenses Material Is Glasses Coated Aspherical -8.0 -8.5 -9.0 To -20 - Eyeglasses Lenses - AliExpress Oculos Juliete 1.9 Refractive Index High Number Customized Lenses Material Is Glasses Coated Aspherical -8.0 -8.5 -9.0 To -20 - Eyeglasses Lenses - AliExpress](https://ae01.alicdn.com/kf/HTB1_4yYLpXXXXbBXpXXq6xXFXXXZ/Oculos-Juliete-1-9-Refractive-Index-High-Number-Customized-Lenses-Material-Is-Glasses-Coated-Aspherical-8.jpg)
Oculos Juliete 1.9 Refractive Index High Number Customized Lenses Material Is Glasses Coated Aspherical -8.0 -8.5 -9.0 To -20 - Eyeglasses Lenses - AliExpress
![glass 1.9 lens prescription crystal/mineral lens for high myopia ultra thin lens professional team support for 1.74 rx lens glass 1.9 lens prescription crystal/mineral lens for high myopia ultra thin lens professional team support for 1.74 rx lens](https://ae01.alicdn.com/kf/H033113f1a4bf493897deffd04086b4a0I/glass-1-9-lens-prescription-crystal-mineral-lens-for-high-myopia-ultra-thin-lens-professional-team.jpg)