Disclosed is a method of determining an appropriately shaped soft contact lens for a subject with an irregular cornea, the method comprising the steps of: inferring or deducing the profile of the cornea over at least a portion thereof: selecting a first choice fitting lens, the selection being based on the profile of the cornea obtained in the preceding step； assessing the fit of the contact lens to the cornea, by investigating each of the following parameters； (i) translational movement of the lens on eye； (ii) rotation of the lens on eye； (iii) centration of the lens on eye； (iv) the perceived comfort of the lens for the subject； (v) the visual acuity of the subject when wearing the lens； and adjusting the choice of fitting lens, if required, according to the assessment and reiterating until a desired fit of lens to the cornea has been obtained.
