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How to Choose a New Dental loupes ?

When choosing a new dental loupes , the most important thing is to choose the right magnification and the correct working distance. This will ensure that the operator maintains ergonomic comfort while working. Correct working posture can reduce eye pressure, avoid shoulder and back tension, and avoid headaches caused by stress. Less known but no less important is the psychological impact: good ergonomics improve information processing and decision-making.

The following aspects are the main factors for choosing a loupes :

  1. Magnification-How to choose the right magnification?
  2. Working distance-how to determine the working distance?
  3. Frame size-how to choose the frame size?
  4. Field of View-How to adjust the field of view?
  5. Depth of field-how to adjust the depth of field?
  6. Wearing lenses (corrective lenses)-What if I wear my own lenses?
  7. Weight-the weight of the loupes ?


The magnification depends mainly on personal needs. However, we can provide some suggestions for your better choice.

The first recommendation is to choose the comfort magnification with the lowest magnification, which provides a wider field of view.

Here are some experience choices for reference:

Clinical application

General Dentistry, Dental Hygiene Prevention, Implant: 2.5x

Dental pulp and crown restorations: 3.5x-4.0x

Lab work, technician: 4.0x-5.0x

  1. Working distance:

The working distance is the distance from the surgeon’s eyes to the patient’s mouth.

First of all, determine the normal working distance under normal working conditions. The correct posture ensures that the operator is comfortable, the back is straight, and it cannot be too inclined. This process can ask someone to help adjust.

You can also refer to the following table to help you understand your best working distance:

Height <170 cm 170-190 cm> 190 cm

Sitting position 340 mm 420 mm 500 mm

Standing position 420 mm 500 mm 550 mm

  1. Frame size:

* ErgonoptiX safety protection frame (plastic),

Available in all sizes and can be resized.

* ErgonoptiX standard frame (light metal alloy),

Large, medium and small sizes.

The following methods can be used to determine the best frame size:

A is the most important parameter in determining frame size-temple distance.

Find a pair of comfortable wearing glasses, measure the temple distance between the frames, and refer to the table below to select the closest size to determine the ErgonoptiX frame size.

Frame Size: Small Medium Large

A – Temple distance 126 mm 131 mm 139 mm

B-lens diameter 50 mm 52 mm 56 mm

C-bridge width 15 mm 15 mm 15 mm

Full-size frames:

D-adjustable interpupillary distance-Galilean: 46mm-70mm

D-adjustable interpupillary distance-Prismatic: 48mm-80mm

  1. Vision:

The field of view refers to the area that can be clearly seen in the focal distance through the dental loupes s.

A larger field of view means that a larger area can be seen through a binocular dental loupes  without the need to rotate the head.

The size of the field of view is directly related to the working distance. To put it simply: a longer working distance will bring a larger field of vision and vice versa. ,

The size of the field of view is also directly related to the magnification. In simple terms: a lower magnification will have a larger field of view, and vice versa.

All ErgonoptiX Comfort loupes s use a high-quality lens system to provide a larger clear field of view (up to 125mm).

  1. Depth of field:

Depth of field refers to the depth range in which the area can be clearly seen within the focal length through a binocular dental loupes .

A larger depth of field means that the depth of the area that can be seen through a binocular dental loupes  is greater.

The range of depth of field is directly related to the working distance. In short: longer working distances also increase the depth of field and vice versa.

The range of depth of field is also directly related to the magnification. In short: lower magnifications increase the depth of field and vice versa.

All ErgonoptiX Comfort Loupes s use a high-quality lens system to provide greater depth of field (up to 120mm).

  1. Wear glasses:

If you are wearing glasses, it is important to choose the right lens. Otherwise, the dental loupes  cannot function normally within the parameter range.

ErgonoptiX Comfort standard frame that can be configured to the right lens. Of course, you can choose the clamping method, which can be easily clamped on the commonly used glasses.

  1. Magnifier weight:

The weight of the dental loupes  is also an important factor in the choice. Especially if it needs to be worn for a long time.

A light dental loupes  is more comfortable, and can reduce stress and other complications during prolonged use.

Ultra-lightweight magnifier provides maximum comfort. All ErgonoptiX Comfort Loupes s are made of ultra-light material and all weigh less than 42 g (excluding frame).

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