J. Keunen – Eccentric Viewing Spectacles. An Introduction in Low Vision Rehabilitation

Автор: J. Keunen
Название книги: Eccentric Viewing Spectacles
Формат: PDF
Жанр: ОПТОМЕТРИЯ
Страницы: 259
Качество: Изначально компьютерное, E-book

List of abbreviations 11
Chapter 1 Perspectives on low vision 1
1.1 Low vision
1.1.1 Definitions
1.1.2 Prevalence and causes of low vision
1.2 Low vision aids
1.2.1 General considerations in prescribing low vision aids
1.2.2 Non-magnifying low vision aids
1.2.2.1 Illumination
1.2.2.2 Reduction of glare
1.2.2.3 Night vision devices
1.2.3 Magnifying low vision aids
1.2.3.1 High add spectacle lenses
1.2.3.2 Magnifiers
1.2.3.3 Telescopic magnification
1.2.3.4 Electronic vision enhancement systems
1.2.4 The prescription of low vision aids
1.2.4.1 Referral and basic examination
1.2.4.2 The type of low vision aid
1.2.4.3 The amount of magnification
1.2.4.4 Training and follow-up
Chapter 2 The principle of eccentric viewing spectacles 69
2.1 Prisms
2.1.1 Basic optics
2.1.2 Fresnel prisms
2.1.3 Prismatic aberrations
2.1.4 The effect of prisms on eye movements
2.2 Eccentric viewing spectacles
2.2.1 The fovea
2.2.2 Eccentric fixation
2.2.3 The prescription of eccentric viewing spectacles
2.2.4 Adapting to eccentric viewing spectacles
2.2.5 Review of the literature
2.3 Other indications for prism spectacles
Chapter 3 Eccentric viewing spectacles in patients with 129
age-related macular degeneration
Chapter 4 Effect of eccentric viewing spectacles on the 145
visual search time
Chapter 5 Long-term evaluation of eccentric viewing spectacles 159
in patients with bilateral central scotomas
Chapter 6 Eccentric viewing gaze directions in patients with 179
central field loss
Chapter 7 General discussion 203
7.1 General considerations
7.2 The preferred retinal locus and the eccentric
viewing gaze direction
7.3 Mutual and averted gaze
7.4 Visual acuity and ophthalmic prisms
7.5 Prescribing strategy for eccentric viewing spectacles
7.6 Prism characteristics
7.7 The effects eccentric viewing spectacles
7.8 Patient compliance
7.9 Visual rehabilitation training
7.10 In conclusion
Summary 225
Samenvatting 229
List of publications 233
Woord van dank 235
Curriculum vitae 239