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The G-15 eyeglass lens tint is a specific color and density profile used in sunglasses. The "G" stands for green, and "15" stands for 15 percent Visible Light Transmission (VLT). This means the lens allows only 15 percent of visible light to pass through.
read more about g 15 eyeglass lens tint ...The G-15 tint was originally developed for military pilots in the 1930s. The specific mix of green and grey provides a view that is easy on the eyes while maintaining high contrast and true color recognition. Its success led to its wide use in commercial aviator sunglasses.
The tint improves vision by absorbing light across the color spectrum, with a slight preference for absorbing blue light. This balanced absorption reduces glare and eye fatigue while maintaining excellent color fidelity, making objects appear sharper and clearer.
G-15 is often considered a universal tint because it provides comfort in bright sunlight without causing major color distortion. It is dark enough (Category 3) for general outdoor use but not too dark for driving.
Since contacts provide clear vision, the G-15 tint is an excellent choice for sun protection over them. The high-contrast, balanced light absorption supports eye comfort and keeps contact lenses feeling fresh during long hours outdoors.
Yes, with a 15 percent VLT, G-15 falls into Category 3, which is the standard darkness for bright sunlight.
No, G-15 is a uniform color with a slight green cast, while gradient grey fades from dark to light.
The G-15 color refers only to the tint. The lens can be polarized or non-polarized.
G-15 tints provide the most natural contrast for the human eye. If you suffer from "photophobia" (light sensitivity), G-15 is a top medical recommendation. However, if the light still feels too bright, you may need a medical work-up for uveitis or dry eye.
AAO. What is Photophobia? (aao.org). 2024.
Mayo Clinic. Uveitis Symptoms and Causes (mayoclinic.org). 2024.
AOA. Light Sensitivity and Tinting (aoa.org). 2024.
The Vision Council. Sunglass Standards and Safety (thevisioncouncil.org). 2023.