In healthcare environments such as dental clinics, examination rooms, and veterinary practices, lighting is a crucial part of the working environment. Light affects not only how well clinicians can see fine details, but also ergonomics, concentration, and the patient’s overall experience of the space. This is why suspended luminaires play such an important role in lighting design.
A better working environment for clinicians
Dentists and veterinarians spend long hours performing highly precise work in small treatment areas. To reduce eye strain and headaches, lighting needs to be uniform and well balanced throughout the room.
Suspended luminaires provide both direct and indirect lighting. The direct light is focused on work surfaces and instruments, while the indirect light is reflected off the ceiling and distributed throughout the room. The result is a softer, more even lighting environment.
When light also reaches the ceiling and walls, the contrast between different light sources is reduced, meaning the eyes don’t have to constantly readjust. A recommended guideline is to maintain a contrast ratio of approximately 1:10 between light sources, something suspended lighting helps achieve.
D-tec luminaires feature a highly flexible suspension system with adjustable cables, allowing the fixtures to be easily lowered and positioned at the optimal height.
Less Glare and Improved Visual Comfort
Glare is a common issue in clinical environments, particularly where large ceiling panels or intense spotlights are used as general lighting. For clinicians working long hours each day, this can lead to:
- Eye strain
- Headaches
- Reduced concentration
Suspended luminaires are positioned closer to the work area and are typically designed to distribute light horizontally throughout the room. The combination of downward-directed light and indirect upward light creates a more balanced and comfortable lighting experience.
Better Lighting Throughout the Examination Room
A treatment room requires several different types of lighting. Ergonomic workplace guidelines therefore recommend a balanced lighting strategy.
Minimize Contrast
By using suspended luminaires, it’s possible to create clearly defined lighting zones throughout the room.
A recommended 1:10 contrast ratio means that the brightest surface within your field of vision should be no more than ten times brighter than the darkest surface. This principle is widely used in lighting design and ergonomics to reduce eye strain, fatigue, and headaches.
What does a 1:10 contrast ratio mean in practice?
The contrast ratio describes the difference in illuminance (lux) between different parts of a room.
In practice, this means that if you have bright lighting at your work area, the surrounding environment should not be excessively dark.
Why is it important?
If the contrast is too great, your eyes must constantly adjust between bright and dark areas. This can lead to eye fatigue, glare, and reduced concentration.
Ergonomic workplace guidelines therefore recommend balanced lighting throughout the room.
Lighting Design for a Clinic
By planning different lighting zones, an optimal working environment can be achieved.
Zone 1 – Procedure Lighting
Purpose: Provide highly focused, high-intensity illumination directly inside the patient’s mouth.
Example: A procedure light mounted on an articulated arm above the patient.
Typical light level: Approximately 30,000 lux
Function:
Provides exceptional visibility during treatment
Minimizes shadows inside the oral cavity
Makes it easier to distinguish fine structures and subtle colour variations
When these lighting levels are combined correctly, clinicians can work with maximum precision without the rest of the room feeling dark or overly contrasted.
Zone 2 – Ambient Task Lighting (D-tec Luminaire)
Purpose: Illuminate the area surrounding the patient’s mouth, including the face, instruments, and work surface.
Example: A D-tec luminaire positioned above the treatment chair.
Typical light level: 3,000–5,000 lux
Function:
Ambient task lighting creates a smoother transition between the room lighting and the procedure light, making it easier to see instruments and surrounding tissue.
It also reduces the contrast between the procedure light and the rest of the room.
This type of lighting is typically broad and shadow-free, illuminating the area surrounding the treatment field and further reducing the contrast created by the procedure light.
Zone 3 – General Lighting
Purpose: Provide an even base level of illumination throughout the room.
Example: Recessed LED ceiling panels.
Typical light level: Approximately 500 lux
Function:
Prevents the room from feeling dark
Reduces contrast with brighter task lighting
Makes it easier to move safely throughout the room
The ceiling panels should provide diffuse illumination to minimize glare and reflections from instruments.
D-tec and the Latest Lighting Technology
In clinical environments, lighting influences both the patient’s experience and the staff’s working conditions.
D-tec combines advanced LED technology with innovative solutions such as indirect lighting, dynamic lighting, and SunLike technology to create spaces that are functional, healthy, and comfortable.
Indirect lighting
Lighting also affects how patients experience the treatment environment. Many patients feel stressed or anxious before treatment, and harsh or glaring lighting can intensify those feelings. By directing light towards the ceiling and vertical surfaces, the room becomes brighter, softer, and more harmonious. The space feels larger and more welcoming, helping create a better patient experience. D-tec offers indirect lighting on several luminaires. Leaf, Cloud, and Clair are all available with indirect lighting as an option. This is particularly valuable in dental clinics, veterinary practices, examination rooms, and treatment rooms.
SunLike
D-tec offers the latest SunLike technology, combining an outstanding CRI 98 with a unique method of reducing blue light. SunLike reproduces the spectrum of natural sunlight as closely as possible, promoting well-being, increasing productivity, and improving sleep quality. Ideal for environments where light quality is critical, SunLike sets a new standard for natural, comfortable lighting that helps people feel healthier and more energized.
Dynamic Lighting
Dynamic lighting is designed to replicate the natural variations of daylight using two light sources: one warm and one cool. The cooler light provides optimal illumination for examinations and precision work, while the warmer light creates a welcoming and relaxing atmosphere. Numerous research studies have demonstrated significant benefits of dynamic lighting for both performance and overall well-being. To bring the positive effects of natural daylight indoors, D-tec developed its own dynamic daylight function. Several D-tec luminaires feature dynamic lighting, making them ideal for dental clinics and examination rooms. The system automatically adjusts the colour temperature throughout the day, simulating the natural changes in daylight (measured in Kelvin). Well-planned lighting is therefore much more than a technical solution—it’s an investment in a better working environment, higher treatment quality, and greater patient comfort.