Medical lighting: 3. Lighting creates a pleasant and pleasant visit, working environment

Usually, people are easily anxious in the hospital. We know that light is instructive and psychologically suggestive. In the hospital, in addition to the basic lighting, can the light use the characteristics of light, relax the patient's mood, improve the efficiency of the medical staff, and create a relaxed and pleasant healing environment?

Physiologically, warm light stimulates the endocrine function of the accessory kidney gland/thymus/thyroid, excitatory nerves, suitable for rehabilitation patients; while cool color light can stimulate the pituitary gland, calming the nerves, and calming chronic patients. Color plays an important psychological treatment role for the patient. The light source and the architectural decoration are skillfully matched, and the rational use of natural light will help create an atmosphere and environment that promotes the recovery of the patient. The environmental lighting of hospitals in different regions also has different requirements for the color temperature of light sources. Hospitals with colder climates should adopt warm white (low color temperature) light sources to bring warmth to the environment. Hospitals in the tropics should use a cool white (high color temperature) light source to give the environment a cool feeling. Therefore, the visual environment is both a physiological and a psychological requirement, and it must be judged before the correct lighting design can be carried out.

The comfortable lighting environment can also alleviate the mental and physical fatigue caused by long-term, high-intensity work, improve work efficiency and work quality, and thus better serve the hospital. Lighting should give a bright, clean light environment. Indirect lighting can be used in areas with ceilings to avoid direct lighting. The overall space uses a high color temperature and high illumination environment. For those who often write at the desk, it is best to have a desk lamp on the desk as a local lighting desk lamp. In addition, night work lights should be placed on the upper or side wall of the nursing workbench.
The lighting system of the ward must comprehensively consider the lighting requirements of different people in different time periods, and at the same time take into account the principle that the lighting layout is as simple and economic as possible. Nurses, doctors, and logistics service personnel need different lighting in their respective work in the ward. The patient must be undisturbed, and the patient also needs his own life lighting. In lighting applications, remember that the patient's normal field of vision is mainly concentrated on the ceiling. The ward lighting is a hybrid lighting, which is general lighting, reading lighting, detecting lighting and An organic combination of night lighting.
(1) Setting up lighting for treatment and care should not cause glare to the patient.
(2) In order to facilitate the patient's night and night, provide night care staff to check the room care, generally set up the ground night light, the installation height is not more than 360 mm from the ground, the light source should use white LED.
(3) Set the local reading lighting, the way should be one bed and one light, the lamp is generally installed above the bedside of the patient. If there is a bed-to-bed phenomenon in the ward, it is not advisable to use an adjustable bedside lamp, or the angle of the bedside lamp must be strictly limited to prevent the patient from seeing the light source of the bed and generating glare.
(4) The ambient light of the hospital should not be installed directly above the hospital bed to avoid glare to the patient.
(5) Lamps for pediatrics and elderly wards should be selected for lamps that are suitable for children's psychological characteristics, and the illumination should be appropriately higher.

The patient always hopes that relatives and friends can see a more healthy and rosy self. It is very important for the visiting guests to judge the patient's condition through the skin/face of the patient. If the lighting fixture is improperly selected, the color rendering will be poor, which will lead to people. The face is blue, which affects the judgment result.
A good environment for visiting, a comfortable, pleasant and warm atmosphere is the focus of lighting. The use of high color rendering light fixtures can make the patient's look look healthier. Based on the particularity of the ward, the visiting environment should emphasize vertical illumination, and the overall spatial illumination is relatively high. Conversely, lower illumination will easily make the patient depressed. It is used for reading the bedside local illumination. It is mainly used for patient reading, self-observation, and can also be used as a visitor's lighting. However, the anti-glare performance of the lamp must be strictly required to prevent the patient from seeing the light source. , producing glare.

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