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The Rawbare Journal

Lens Index Explained: 1.50, 1.61, 1.67 and 1.74

October 7, 2026

A reference guide to refractive index in prescription lenses: what the number means, how it changes thickness, and how to match index to power.

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What our customers say

Rawbare customer photo wearing Rawbare sunglasses

Premium Feel at Budget Price! Loved the quality!

I really loved the product quality from Rawbare!

For the First time got something better than how it was looking online

Deadly looking stylish glasses. Premium quality, I love it

Premium Feel at Budget Price! Loved the quality!

I really loved the product quality from Rawbare!

For the First time got something better than how it was looking online

Deadly looking stylish glasses. Premium quality, I love it

Premium Feel at Budget Price! Loved the quality!

I really loved the product quality from Rawbare!

For the First time got something better than how it was looking online

Deadly looking stylish glasses. Premium quality, I love it

Premium Feel at Budget Price! Loved the quality!

I really loved the product quality from Rawbare!

For the First time got something better than how it was looking online

Deadly looking stylish glasses. Premium quality, I love it

Premium Feel at Budget Price! Loved the quality!

I really loved the product quality from Rawbare!

For the First time got something better than how it was looking online

Deadly looking stylish glasses. Premium quality, I love it

Premium Feel at Budget Price! Loved the quality!

I really loved the product quality from Rawbare!

For the First time got something better than how it was looking online

Deadly looking stylish glasses. Premium quality, I love it

Light weight. Best in the price.

Good price and Solid frame.

Incredibly stylish and comfortable. Perfect for everyday wear.

Good service, best rate, good quality

Light weight. Best in the price.

Good price and Solid frame.

Incredibly stylish and comfortable. Perfect for everyday wear.

Good service, best rate, good quality

Light weight. Best in the price.

Good price and Solid frame.

Incredibly stylish and comfortable. Perfect for everyday wear.

Good service, best rate, good quality

Light weight. Best in the price.

Good price and Solid frame.

Incredibly stylish and comfortable. Perfect for everyday wear.

Good service, best rate, good quality

Light weight. Best in the price.

Good price and Solid frame.

Incredibly stylish and comfortable. Perfect for everyday wear.

Good service, best rate, good quality

Light weight. Best in the price.

Good price and Solid frame.

Incredibly stylish and comfortable. Perfect for everyday wear.

Good service, best rate, good quality

The Rawbare Journal

Lens Index Explained: 1.50, 1.61, 1.67 and 1.74

What our customers say

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The Rawbare Journal

Lens Index Explained: 1.50, 1.61, 1.67 and 1.74

What our customers say

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