Page 36 - Riley Eyewear Catalogue
P. 36
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RX Prescription PRESCRIPTION STRENGTH UP TO A COMBINED MAXIMUM OF +/- 4.00 Frame Colour: Black
KEY FEATURES
Lens (eyesize): 60mm
Nosepiece: 18mm
Temple length: 130mm
Lens: Clear
SIVION ™
Frame Colour: Carbon Fibre
PRESCRIPTION STRENGTH UP TO A COMBINED MAXIMUM OF +/- 4.00 Effect Black
KEY FEATURES
Lens (eyesize): 60mm
Nosepiece: 18mm
Temple length: 130mm
Lens: Clear
OPTICAL INSERT
PRESCRIPTION STRENGTH UP TO A COMBINED MAXIMUM OF +/- 8.00
KEY FEATURES
Lens (eyesize): 50mm
For use with:
Velia Goggle
Lens: Clear
LENS
MATERIALS DETAIL
Impact grade F. High impact protection, 1.59 refractive index, thinnest and lightest lens material, average 20-25% thinner than
POLYCARBONATE
other lenses.
CR39 Impact grade S, good scratch resistance, 1.49 index, good optical quality.
TRIVEX Impact grade F, high impact protection, 1.53 index, more resistant to chemicals than Polycarbonate.
TOUGHENED GLASS Impact grade S, scratch resistant but heaviest material than other lens types.
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