The Place of Low Vision in Optometric Practice
The Organisation of Low Vision Services in the UK There is now an awareness worldwide that low vision services should aspire to adopt a holistic rehabilitative approach, rather than relying…
Inclusive and Universal Design
Definitions Universal design has been described as a design method to achieve the inclusion of as many people as possible throughout their life. The defines inclusive design as ‘The design…
Relative Distance Magnification: Decreasing the Viewing Distance
The Optical Principles of Plus-Lens Magnifiers The plus lens used as a magnifying aid is creating an increased retinal image size by allowing an object to be held close to…
Angular Magnification
The Optical Principles of Telescopes The principle of angular magnification is to use an optical system to change the angle formed at the nodal point of the eye by the…
Case Studies
There are many examples which could be given, but these cases have been chosen to illustrate the use of detailed record cards specific to Low Vision Assessments (Appendix 2), with…
Sensory Substitution
NONVISUAL STRATEGIES: AUDITORY AND TACTILE INFORMATION The most effective intervention for someone with vision impairment (VI) is usually the optimum use of residual vision, and several ways of achieving this…
Aids for Peripheral Field Loss
Functional Effects of Peripheral Field Loss Even people with very good visual acuity can be severely visually impaired if their visual field is reduced. When the visual field is constricted…
Instruction and Training in the Use of Magnifiers
Instruction in the Use of Low Vision AIDS A task-oriented approach has been adopted throughout the low vision assessment, with the patient identifying what they want to do and a…
Special Training Techniques for Visual Field Loss
Central Field Loss When someone with bilateral central field loss looks straight at an object, it will fall into the scotoma and not be seen. This effect has been known…
The Low Vision Assessment
Scheduling the Appointment Depending on the clinic setting, the content and format of a low vision assessment will vary. For example, in a hospital eye service (HES) clinic, fundus examination…
