To adapt search results to a user’s needs, the search results display is modified based on the user’s selections within the search results. A bounding member is adjustable for adjusting the operational size of the brewing chamber, and an adjustment structure is provided for adjusting said bounding member. A method for designing a correction for improving a person’s vision is directed to correcting higher order aberrations in such a manner that a residual amount of the higher-order rotationally symmetric aberration is greater than a residual amount of the higher-order rotationally asymmetric aberration after the correction. 3% by weight based on of a compound based on an alkali andor alkaline earth metal, and also from 0.