Light for Sight COTSS–Housing Conference 2010 Anthony Slater Lighting Development Manager Thomas...
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![Page 1: Light for Sight COTSS–Housing Conference 2010 Anthony Slater Lighting Development Manager Thomas Pocklington Trust.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5519e90555034691578b47eb/html5/thumbnails/1.jpg)
Light for Sight
COTSS–Housing Conference 2010
Anthony Slater
Lighting Development Manager
Thomas Pocklington Trust
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Summary
Prevalence of sight loss Importance of lighting Lighting equipment Lighting adaptations Supporting materials and services
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Prevalence of sight loss
Best estimates - registerable– 13% of those aged 75+ have serious sight loss
(600,000 people) – 33% of those aged 90+ have serious sight loss
Sight loss is a normal part of ageing– 13 million people in UK over 60
Specific eye conditions can make this worse– incidence increases with age
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Prevalence of sight loss
Sight loss affects everyday lives of 2 million people in UK
Secondary to main reason for referral Most people with sight loss have some
residual vision Lighting can help people to make the most of
their vision
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Pocklington research
Findings from home visits – Low levels of lighting– Glare from light fittings– Slow adaptation to different levels– Poor control– Lack of available information / support
Assessments and adaptations to general lighting and task lighting in over 100 homes
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Good general and task lighting
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Daylight
Control with blinds – Vertical slats control direction of light entering– Net curtains can become glare source
Keep curtains clear of window Reduce external obstructions Keep windows clean Light coloured sills and frames reflect light
into room
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Improve energy efficiency
Replace incandescent tungsten filament with – Tungsten halogen – Compact fluorescent
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Compact fluorescent (CFL)
Plug-in
GlobePearCandleSpiralDouble turnTriple turn
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General lighting
Ceiling mountedDiffusing shades
– Even lighting– Avoid glare – Hide direct view of lamp
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Free-standing lighting
Uplights– Light reflected from ceiling
Task lights
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Task lighting
Adjustable task lights– Table or floor standing– Table clamp or heavy base– Fluorescent are cooler
Portable task lights– Rechargeable battery
Ceiling or wall mounted spotlights Under cupboard lights
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Lighting adaptations
Improve general lighting levels– dimmable high frequency fluorescent in kitchen– brighter lamps (CFL) in diffusing shades– additional lights
Add task lighting– fluorescent lighting under kitchen cupboards– mirror/shaver lights in bathrooms– lighting in wardrobes and walk-in cupboards
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Hallway and stairs
General lighting– Good level– No glare– Reveal steps
Task lighting– Telephone
Good contrasts– Surfaces
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Hallway
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Kitchen
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Kitchen
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Bathroom
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Bathrooms
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Bedroom
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Cupboards and wardrobes
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Wardrobe
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Multiple light sources
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Multiple light sources - traditional
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Communal areas
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Lighting - Top tips
Tasks and movement around the home Amount of light Control – switching and dimming Diffuse, even lighting, no dark shadows Multiple light points No glare – no direct view of lamp
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Lighting adaptations - Top tips
Avoid disruption to decoration Use existing fixed wiring points Add lighting track for additional ceiling lights Use existing electrical sockets for task lights
– Use micro-trunking for wiring if needed
Convert existing twin sockets to triples
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Lighting good practice guide
Lighting in new and existing homes Guidance on specification Case studies Checklists
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Seven characteristics of good lighting
Lighting should always be: Appropriate to each person Sufficient for activity and orientation Even, across different areas Adjustable for flexibility Energy efficient and sustainable Simple to install Adaptable for the future.
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Adaptations good practice guide
Practical guidance Adaptations Involving people Specific spaces Indoors and outside Checklists
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Lighting booklet
Advice on lighting Non-technical
information Lamps and light fittings General lighting Task lighting Further sources of
help
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Lighting training
One day workshop Lamps & fittings Demonstrations Practical exercises Case studies Design tools
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Specifying lighting adaptations
Determine needs – Functional vision assessment
Assess existing lighting provision– Client’s “adaptations”
Determine possible adaptations Produce specification for electrician
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Some lighting options
Living Room Wall lights for more even lighting, freestanding uplighters, additional ceiling lights in larger rooms
General Individual switches, dimmable where possible, good quality portable and adjustable task lights, judicious use of colour in decoration
Kitchen Under-unit lights to illuminate worktops, cooker and sink, better shades to reduce glare and shadow
Bathroom Mirror lights over hand basins, upgrade of shaver lights low-energy units
Bedroom Wall uplights above bedhead, internal lights in walk-in cupboards, better match between number of fittings and room size
Stairs Use of better fitting light shades to reduce glare, spot lights that highlight stair edges, high illuminance on landings
SOME LIGHTING OPTIONS
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Lighting Specification Toolsnumber of lamps needed per room
200lux Tungsten Halogen GU10 MR16 CFLU 2D 2D MCFU MCFU
Target 100W 300W 50W 50W 30W 28W 38W 36W 58W
Length Width lumens Indirect
2 1 1270 1 1 2 1 1 1 0 0 0
2 2 2540 2 1 4 2 1 1 1 1 1
2 3 3810 3 1 6 3 2 2 1 1 1
2 4
2 5
3 1
3 3
3 4
3 5
3 6
4 1
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Lighting for sight consultancy
Existing or proposed schemes Assessment of tenant need Survey of existing or proposed lighting Proposals for lighting adaptations Improved lighting gives:
– Increased independence– Decreased need for support– Reduced maintenance and running costs
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Summary
Prevalence of sight loss Importance of lighting Lighting equipment Lighting adaptations Supporting materials and services
![Page 38: Light for Sight COTSS–Housing Conference 2010 Anthony Slater Lighting Development Manager Thomas Pocklington Trust.](https://reader035.fdocuments.us/reader035/viewer/2022070306/5519e90555034691578b47eb/html5/thumbnails/38.jpg)
Contact details
Anthony Slater
Lighting Development Manager
Thomas Pocklington Trust
www.pocklington-trust.org.uk