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Light for sight_guidance






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    Light for sight_guidance Light for sight_guidance Document Transcript

    • Light for Sight COTSS–Housing Conference 2010 Anthony Slater Lighting Development Manager Thomas Pocklington Trust Summary Prevalence of sight loss Importance of lighting Lighting equipment Lighting adaptations Supporting materials and services 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 1
    • 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 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 Good general and task lighting 2
    • 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 Improve energy efficiency Replace incandescent tungsten filament with – Tungsten halogen – Compact fluorescent Compact fluorescent (CFL) Plug-in Globe Pear Candle Spiral Double turn Triple turn 3
    • General lighting Ceiling mounted Diffusing shades – Even lighting – Avoid glare – Hide direct view of lamp Free-standing lighting Uplights – Light reflected from ceiling Task lights 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 4
    • 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 Hallway and stairs General lighting – Good level – No glare – Reveal steps Task lighting – Telephone Good contrasts – Surfaces Hallway 5
    • Kitchen Kitchen Bathroom 6
    • Bathrooms Bedroom Cupboards and wardrobes 7
    • Wardrobe Multiple light sources Multiple light sources - traditional 8
    • Communal areas 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 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 9
    • Lighting good practice guide Lighting in new and existing homes Guidance on specification Case studies Checklists 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. Adaptations good practice guide Practical guidance Adaptations Involving people Specific spaces Indoors and outside Checklists 10
    • Lighting booklet Advice on lighting Non-technical information Lamps and light fittings General lighting Task lighting Further sources of help Lighting training One day workshop Lamps & fittings Demonstrations Practical exercises Case studies Design tools Specifying lighting adaptations Determine needs – Functional vision assessment Assess existing lighting provision – Client’s “adaptations” Determine possible adaptations Produce specification for electrician 11
    • Some lighting options SOME LIGHTING OPTIONS Living Room Kitchen Wall lights for more Under-unit lights to even lighting, illuminate worktops, General freestanding cooker and sink, better Individual switches, uplighters, additional shades to reduce glare dimmable where possible, ceiling lights in larger and shadow good quality portable and rooms adjustable task lights, Bathroom judicious use of colour in Stairs Mirror lights decoration Use of better fitting over hand light shades to reduce Bedroom basins, glare, spot lights that Wall uplights above bedhead, upgrade of highlight stair edges, internal lights in walk-in shaver lights high illuminance on cupboards, better match low-energy landings between number of fittings and room size Lighting Specification Tools number 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 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 12
    • Summary Prevalence of sight loss Importance of lighting Lighting equipment Lighting adaptations Supporting materials and services Contact details Anthony Slater Lighting Development Manager Thomas Pocklington Trust anthony.slater@pocklington-trust.org.uk www.pocklington-trust.org.uk 13