Sorry, we can't do anything about the rain, but just like Johnny Nash you'll at least be able to see clearly now with today's deal... Today we're offering you a pair of overnight vision correction contact lenses for just £179 (in Leeds, Birmingham, Manchester and Newcastle), £189 (in Potter's Bar, Thornton Heath, Weybridge and Finchley) or £199 (in central London), saving you up to 52% off iGO Lenses' prices (correct as of 24.09.12). Custom-designed from a special material with high oxygen permeability - iGO’s overnight contact lenses are a revolutionary new solution designed to correct short-sightedness (up to -5.0D (diopters) and up to -1.5D of astigmatism) whilst you sleep. Before purchasing the deal simply click here to complete a quick suitability survey - then once you've been given the green light simply head down to your nearest participating optician for a consultation. Your experienced optician will then look into your personal history and order the lenses that best suit you. The rest couldn't be easier: you only wear the lenses at night time while sleeping then remove them upon awakening. Click here to find out how they work. Just be warned, there's no excuse for turning up to work looking like you've got dressed in the dark now...