Post-surgery
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,…
Presbyopia
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…
Extended Wear
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…
Compliance
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 –…
Patient Education
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…
Therapeutic Applications
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…
Reusable Lenses
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…
Tinted Lenses
Introduction Eye colour is universally recognized as an important and defining natural physical characteristic of the body human, and a contact lens is an effective vehicle for modifying or enhancing…
Preliminary Examination
Introduction The preliminary examination includes the taking of a full history and initial patient assessment (see Chapter 33 ), ocular measurements, refraction, slit-lamp biomicroscopy and additional tests. The examination enables…
Babies and Children
Introduction The contact lens practitioner is a key member of a multidisciplinary team involving paediatric ophthalmologists, optometrists and orthoptists concerned with ocular health and visual development of the child. Fitting…
