Recommended Practice: Lighting and the Visual Environment for Older Adults and the Visually Impaired
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ANSI/IES RP-28-25
Document Type: Recommended Practice (RP)
Available as a downloadable secure PDF only.
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Product Description
Intended Audience: Lighting practitioners, facility managers, medical professionals, energy efficiency organizations, vison experts.
Intended Interest Categories: Specifier (US), Affected (UA), Public Interest (UP), Academic, Research (GAR), Government, Regulatory (GGR), General SME (GSME), Organizational (OM).
Description: This document is intended to increase the designers’ understanding
of age-related vision loss and the importance of their design decisions that could affect the safety and
independence of this growing sector of the population.
Page count: 118 pages
Publisher: Illuminating Engineering Society (2025)
SKU: ANSI/IES RP-28-25
ISBN: 978-0-87995-504-5
Previous edition: RP-28-20
Chapters:
- 1.0 Introduction and Scope
- 2.0 Quality and Quantity of Lighting for Vision
- 3.0 Design Guide
- 4.0 Light Sources
- 5.0 Daylight (Direct and Reflected)
- 6.0 Light for Health
- 7.0 Lighting Controls
- 8.0 Summary
- Annex A – Illuminance Recommendations
- Annex B – Luminance Contrast Recommendations & Methods
- Annex C – Space Upgrade Examples
- Annex D – Scatter
- Annex E – Flicker
- Annex F – Additional Reading
Citation Format:
Illuminating Engineering Society. ANSI/IES RP-28-25, Recommended Practice: Lighting and the Visual Environment for Older Adults and the Visually Impaired. New York: IES; 2025.