Prescription Mask Lens

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Lens which may be rotated to suit either left or right hand side of the Beaver Discovery Mask. Spherical correction ensures a clear & concise appreciation of the underwater world. Available from -1.0 to -8.0 & +1.0 to +4.0 in 0.5 increments. Not suitable for bifocal or cylindral prescriptions it is recommended that you seek the advice of a qualified optician