FYRE – Ryders Eyewear

VLT:

While all Ryders lenses are 100% UV the VLT or visible light transmittance can vary.
(VLT) Visible Light transmittance is the amount of light that reaches your eyes through the lenses and is measured as a percentage as shown on some Ryders styles.
Photochromic lenses have a range in transmittance as they will darken in the sun i.e. VLT: 77%-17%.
Below is a guide for choosing sunglasses based on VLT percentages.

0–19% VLT: Ideal for bright, sunny conditions.

20–40% VLT: Good for all-purpose use & varying light conditions.

40+% VLT: Best for overcast and low-light conditions.

80–90+% VLT: Virtually clear lenses for very dim and low light conditions.

LENS CATEGORIES AND DESCRIPTIONS

Cat	VLT	Description
0	80 – 100%	Fashion spectacles—not sunglasses Very low sunglare reduction Some UV protection
1	43 – 80%	Fashion spectacles—not sunglasses Limited sunglare reduction Some UV protection NOT SUITABLE FOR DRIVING AT NIGHT
2	18 – 43%	Sunglasses Medium sunglare reduction Good UV protection
3	8 – 18%	Sunglasses High sunglare reduction Good UV protection
4	3 – 8%	Sunglasses—special purpose Very high sunglare reduction Good UV protection MUST NOT BE USED WHEN DRIVING

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