Tips for buying loupes and head lights


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loupes and headlights

Loupes & Headlights – What are the selection criteria?

Binocular loupes in combination with headlights make it easier for dentists to perform more accurate and precise work because even fine details can be seen with good precision optics. They become a ‘standard tool’ in their daily work. However, unlike most other medical devices, loupes are designed to suit an individual and their specific working position. Therefore, a high value should be placed on selecting the correct configuration of your own binocular loupes to ensure they enable you to work with the correct posture.

Tip N°1: Choose the right magnification

As a general rule, the highest magnification is not necessarily the best. Lower magnification allows for an easier hand-eye coordination. It also makes it easier to work effectively with the magnifier, because a lower magnification results in a larger field of view and a greater depth of field.

Anyone who has not yet worked with loupes should definitely start with a 2.5x magnification since it is easier for starters to get used to working with a magnified view.

Tip N° 2: Select your individual working distance

The term “working distance” refers to the distance from the eye to the working area at which a sharp image becomes visible. For example, taller people who work standing up need a longer working distance than smaller people who operate or examine sitting down. 

Tip N° 3: For an ergonomic, working posture, make sure to get the right angle of declination

This term refers to how ‘steep’ or ‘shallow’ you can position the optics when being worn. The most ideal angle of declination is one where the user has an upright and relaxed neck and back posture, causing no excessive strain. It is variable depending on the size of the user and working position (sitting or standing). 

Tip N°4: Quality of the optics

It is worth buying quality optics. Among other things, they allow sharp magnification without unintentional colour gradients at the boundary of the field of view (rainbow effect).

Tip N°5: Orientation of the light source

The head lamp should be aligned coaxially with the loupes, i.e. the light source and the loupes should lie on a common axis towards the field of view. This ensures that the headlamp illuminates the field of vision optimally and never casts a shadow.

Tip N°6: Light quality makes a difference

High-quality LEDs produce an almost natural colour rendering, similar to daylight. Frequently used low-cost LEDs have a too-high proportion of blue in the spectrum and falsify the natural colour impression. 

Tip N° 7: How to wear them?

a)  Spectacle frame

A spectacle frame is suitable for most applications, with which a headlight can also be combined. It is important that the spectacle frame fits comfortably and that it does not slip off during work – look for adjustable nose pads, flexible frame arms and retaining cords. 

b)  Headband

Binocular loupes worn with a headband are useful for longer operations or treatments. Attention should be paid to a proper fit, adjustment options for head circumference and height, as well as comfortable padding. 

Wearing glasses? – With a headband solution, you have the possibility to keep your regular glasses on.  

Tip N° 8: Power source

For loupes with illumination on spectacle frame, a battery pack that connects with a cable is commonly used as power source. Compact and lightweight batteries that can be worn comfortably on the body while providing unrestricted freedom of movement. 

For combinations of headlights and loupes worn on a headband, there is wireless solutions with a battery pack.  

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