Why buying your varifocals online can leave you seeing red: Our test proves those cheap deals aren"t always as good as they look

Why buying your varifocals online can leave you seeing red: Our test proves those cheap deals aren't always as good as they look | UPDATED: 02:42 GMT, 2 October 2012 Anyone who wears glasses knows they don’t tend to come cheap — the cost of frames, lenses, lens coatings and cases can mount up to hundreds of pounds.