Contents Contributing authors Preface Tribute Acknowledgements Part I Introduction 1 History 2 Anterior eye 3 Visual optics Part II Soft contact lenses 4 Soft lens materials 5 Soft lens manufacture 6 Soft lens optics 7 Soft lens measurement 8 Soft lens design and fitting 9 Soft toric lens design and fitting 10 Soft lens care systems Part III Rigid contact lenses 11 Rigid lens materials 12 Rigid lens manufacture 13 Rigid lens optics 14 Rigid lens measurement 15 Rigid lens design and fitting 16 Rigid toric lens design and fitting 17 Rigid lens care systems Part IV Lens replacement modalities 18 Daily disposable soft lenses 19 Reusable soft lenses 20 Planned replacement rigid lenses Part V Special lenses and fitting considerations 21 Scleral lenses 22 Tinted lenses 23 Presbyopia 24 Extended wear 25 Sport 26 Keratoconus 27 High ametropia 28 Babies and children 29 Therapeutic applications 30 Post-refractive surgery 31 Post-keratoplasty 32 Orthokeratology 33 Myopia control 34 Diabetes Part VI Patient examination and management 35 History taking 36 Diagnostic instruments 37 Preliminary examination 38 Patient education 39 Aftercare 40 Complications 41 Digital imaging 42 Compliance 43 Practice management Appendices A Contact lens design and specifications B Contact lens tolerances C Vertex distance correction D Corneal curvature - corneal power conversion E Extended keratometer range conversion F Soft lens average thickness G Soft lens oxygen performance H Constant edge clearance rigid lens designs I Soft toric lens misalignment demonstrator J Dry eye questionnaire K Efron grading scales for contact lens complications L Scleral lens fit scales Index