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03/30/2026 Vol.19 How to Read an Eyeglass Prescription ~What Are S (SPH), C (CYL), AX, and ADD?~

03/23/2026 Vol.17 Tinted Lenses That Cannot be Used for Night Driving ~Check Color Density and Luminous Transmittance~

02/27/2026 Vol.15 What Is Luminous Transmittance? How it differs from visible light transmittance and density, and guidelines for night driving

03/29/2024 Vol.7 Eyeglass lenses suitable for smartphones (1) (for people in their 20s, 30s, and early 40s)

03/22/2024 Vol.6 Example of lens problem: Fine lines (cracks) have appeared on eyeglass lenses!?

03/15/2024 Vol.5 Troubles with strong myopia (thick lens, face contour and eyes appearing to be small)

08/20/2023 Vol.3 To Use Eyeglasses for Many Years to Come

08/19/2023 Vol.2 To Reduce the Thickness of Eyeglass Lenses

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