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F21 - 28% Grey - Economic



F21 - 28% Grey - Economic

Filter Number: 21
Lens Colour: Grey
Visible Light Transmission: 28%
Protection: Ultraviolet


Recommendations:

Cataract
Corneal Pathology
Glaucoma


Each filter colour has a Visible Light Transmission (VLT) figure, which indicates the percentage of light passing through the filter. A low value will block more light from entering the eye; a high value allows more light into the eye. You should avoid a VLT% that is too dark for your needs for safety reasons.


The grey filter offers a soothing colour and excellent glare protection.


The economic plastic frame comes in two sizes, medium and large. Medium is suitable for the average adult.



Please note: Frame images are shown in greyscale, please refer to the colour swatch above as a guide to the tint of these filters.



Description   Code   Price
 excl. VAT
Quantity    
F21 - 28% Grey - Economic - Medium Fit Over F21#U £11.48
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F21 - 28% Grey - Economic - Large Fit Over F21#L £11.48
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