Numerical increases will be especially pronounced in Canada and Japan, where the elderly head count will more than double. The United States will also experience a relatively sharp increase (almost 90 percent) in the number of people age 65 and older. Projections indicate that by 2030 there will be more people over 65 than under age 17 in the United States.As this segment of the population ages, they will experience an increased loss of vision. Poor lighting is often associated with potentially life-threatening falls among the elderly. This older population’s growth will impact many industries with particularly great demands placed on building construction and healthcare. However, few people have considered the potential impact lighting can have upon the aging population’s health and quality of life. This document addresses the special lighting needs of the aging population.

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PDF Pages	PDF Title
1	Cover
2	Copyright
4	Committee
5	Contents
8	1.0 Introduction
9	1.1 Demographics 1.2 Light for Visual Tasks and Vitality 1.3 Energy Conservation 2.0 Lighting Considerations for the Elderly
10	2.1 Lighting for Vision 2.2 Task-Dependent Factors
13	2.3 Viewer-Dependent Factors 2.4 Application to the Elderly 2.4.1 Lighting for Persons with Low Vision 2.4.1.1 The Nature of Scatter
15	2.4.1.2 Controlling and Reducing Scattered Light for Individuals with Severe Pre-Retinal Scatter
16	2.4.2 Lighting for Persons with Retinal Dysfunction
17	2.5 Older Eyes: Special Needs 2.6 Age Related Changes in Vision
18	3.0 The Quality of Lighting 3.1 Glare
19	3.1.1 Dealing with Disability Glare 3.1.2 Limiting Discomfort Glare
20	3.2 Flicker
21	3.3 Adaptation Issues
22	3.4 Spectral Power Distribution 3.5 Shadows
24	3.6 Modeling of Faces 3.7 Veiling Luminance 3.8 Summary of Lighting Considerations to Improve Visibility
25	3.9 Helpful Designs and Hardware 3.9.1 Windows and Luminance Control
28	3.9.2 Residential Appearance
29	3.9.3 Lighting the Task
30	3.9.4 Lighting the Safe Path
32	3.9.5 Comfort and Safety Accents 3.9.6 Luminaire Placement
33	3.10 Design Issues 3.10.1 Appearance of Space and Luminaires
34	3.10.2 Color Appearance (and Color Contrast) 3.10.3 Daylighting Integration and Control
35	3.10.4 Direct Glare 3.10.5 Flicker (and Strobe) 3.10.6 Light Distribution on Surfaces 3.10.7 Light Distribution on Task Plane (Uniformity) 3.10.8 Luminances of Room Surfaces 3.10.9 Modeling of Faces or Objects 3.10.10 Point(s) of Interest 3.10.11 Reflected Glare 3.10.12 Shadows 3.10.13 Source/Task/Eye Geometry
36	3.10.14 Sparkle/Desirable Reflected Highlights 3.10.15 Surface Characteristics 3.10.16 System Control and Flexibility 3.10.17 Special Considerations 4.0 Area-Specific Lighting Solutions 4.1 Lighting Modifications to Existing Private Homes
37	4.1.1 Porches, Exterior Steps, and Garages
39	4.1.2 Hobbies 4.2 Limited Daylight in Apartments and Condominiums
40	4.3 Congregate Housing Building Entrance Transitions
41	4.4 Corridors and Common Areas
42	4.5 Stairs and Elevators
43	4.6 Apartment Entries
44	4.7 Living Areas
45	4.8 Private Dining Areas
47	4.9 Congregate Dining Area 4.10 Kitchens
48	4.11 Bedrooms
49	4.12 Bathrooms
50	4.13 Activity Areas 4.14 Television and Conversation Lounges
51	4.15 Computer Rooms 4.16 Billiard and Pool Tables 4.17 Ping Pong Tables 4.18 Card Game and Board Game Areas
52	4.19 Music Stands and Podiums 4.20 Libraries and Reading Activities
53	4.21 Special Eyewear and Large-Print Media 4.22 Telephones and Directories 4.23 Indoor Signs and Bulletin Boards
54	4.24 Outdoor Signs 4.25 Outside Walkway Transition Areas
55	4.26 Parking Lots and Garages 4.27 Low Vision
56	5.0 Economic Considerations of Senior Residence Lighting
57	5.1 Lighting Controls That Save Energy 5.2 Lighting Controls That Remove Hazards
59	6.0 Daylighting for Senior Housing 6.1 Advantages of Daylighting
60	6.2 Daylight Availability
62	6.3 Understanding Daylight Distribution 6.3.1 Toplighting 6.3.2 Sidelighting
63	6.4 Daylighting Analysis Methods
64	6.5 Guidelines for Good Daylighting Design
66	References
70	Normative Annex A – Circadian System A1.0 The Aging Circadian System
71	A2.0 Lighting Characteristics Affecting the Human Circadian System A3.0 Light and the Aging Circadian System
76	Normative Annex B – Sunlight’s Effect Upon the Body’s Natural Synthesis of Vitamin D
79	Informative Annex C – Low Vision

Published By	Publication Date	Number of Pages
IES	2007	82


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Standard Title	ANSI / IESNA RP-28 Lighting and the Visual Environment for Senior Living
Published Code	IES
Publication Date	2007
Pages Count	82

IES RP 28 2007

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