Introduction Just as contact lenses (CLs) have become easier to fit over the past century, our knowledge base of the ocular response to lens wear has expanded exponentially over the…

Introduction The purpose of this chapter is to review a number of the clinical instruments that are of utility in the preliminary examination and ongoing care of contact lens patients….

Introduction Follow-up examinations represent a fundamental aspect of healthcare, especially when managing ongoing or chronic conditions. In this context, contact lens wear can be considered a healthcare modality that requires…

Introduction After corneal surgery, contact lenses may be indicated to provide improved optical correction or therapeutic ocular surface protection. Optical indications include the correction of irregular or high regular astigmatism,…

Introduction One of the more perceived challenging areas within contact lens practice is fitting presbyopic patients with contact lenses to allow the majority of their visual requirements to be met…

Introduction The term ‘extended wear’ (EW) has generally been applied to describe the wear of contact lenses for periods in excess of 24 hours between removal, including sleep with the…

Introduction Patients are often lying when they say they have regularly taken the prescribed medicine . Hippocrates, 400 bc The issue that Hippocrates was highlighting was that of compliance –…

Introduction The quality of instruction and advice given to a patient contributes to the success or failure of the new wearer ( ). Therefore, the importance of the dispensing visit…

Introduction The concept of a protective eye bandage originated in the first-century ad when Celsus reportedly applied honey-soaked linen to the site of a pterygium removal to prevent symblepharon development…

Introduction Contact lenses can be broadly categorised according to their frequency of use and frequency of replacement. Daily disposable lenses, which are worn during the day and discarded at the…