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Lighting requirements within ward areas can generally be broken down into three parts, general lighting, patient lighting and night lighting. The layout below provides a typical solution for a 6 bed ward which meets these three requirements.
It is important that sufficient light is provided within the bed bays as well as the central ward space, even when privacy curtains are drawn around the beds. To ensure sufficient light the best method is to provide central lighting to the ward through ceiling mounted luminaires and combining this with a bedhead luminaire that can provide both direct and indirect lighting. A light level of 100lux at floor level should be provided over the ward area.
A level of 300lux is required over the patient ‘activity area’, a 1m x 1m area at the bedhead where patients can carry out activities such as reading. This level is also important for clinical staff examining or treating the patient.
Night lighting must allow the safe movement of patients and staff around the ward at night, but also not distract patients that are trying to sleep. Very strict ‘brightness’ limits are therefore in place for night lighting luminaires to prevent direct light into the patient's eyes.
This solution uses Sky-Domes down the centre of the ward and the upward light component of the Medica bedhead luminaires. This provides a uniform and comfortable light level over the whole ward area. A bedhead luminaire is located per bay so even if the curtains are closed, lighting within the bay is still provided.
By utilising the downward distribution of the Medica, lighting can be provided to the patient activity area. This component is dimmable so either the patient or nursing staff can control the light output. In many cases this control can be linked into the patient hand set. In order to achieve the correct distribution from the downward component bedhead luminaires must be mounted at least 1.8m from the floor.
The 1.5W LED Night Light provides a cone of light and by using a number of fittings the central ward area can be illuminated whilst providing no direct light into the patient's eyes.