Prescription Dive makes single vision lenses to suit an astonishingly wide script range including high prism and high cylinder powers. Prescription Dive is happy to work with difficult scripts and there is no additional charge for high powers.
Single Vision lenses are made from optical crown glass for optimum optics and also available in premium lens material to make lenses thinner and more suitable for difficult scripts or for the diver wanting lenses as thin as possible. Very high scripts will need to be made in premium lens material to minimise the potential of edge lens contact with the temple area of the face. Despite pressure equalisation, lens contact with the temple area of the face is highly uncomfortable.
Single Vision Script Range
Crown Glass Script Range:
+7.00 D sphere (sph) max -4.00 cylinder (cyl) on + script
-10.00 D (max sphere (sph) and cylinder (cyl) combined)
Hi Index Glass (1.8) Script Range:
+10.50 D sphere (sph) max -6.00 cylinder (cyl) on + script
-15.00 D (max sphere (sph) and cylinder (cyl) combined)
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