How to choose the perfect Dental Loupe (8 Steps)


1. Choose the right extension and determine the working distance to ensure that you work in harmony with your new magnifying glass.loupes

Take the correct working posture will reduce eye strain, neck strain, back and shoulders, and headaches induced by stress related. Less known, but no less important is the psychological impact: good ergonomics improves processing information and making decisions.

2. Look at an object with straight black lines.

The most common signs that a magnifying glass is of poor quality is low resolution, chromatic aberration and spherical aberration. The resolution is defined as the ability of an optical system forming images of distinguishable objects separated by small distances, to recognize fine detail.When comparing different magnifiers, look at the test objects and select an area with small details that can only be seen with magnification.

The chromatic aberration refers to colour distortion. Because each colour having a different wavelength, the optical uncorrected makes the different wavelengths focus on different points in space. The first colour that is usually out of focus is the blue; when you are looking for black lines on a white paper, the poor quality loupes exhibit a blue haze only on the side of the black lines.

Spherical aberration relates to the flatness of the image. When viewed through a magnifying glass, an object that has spherical aberration appears to be curved or spherical. The lines do not appear straight.

View coloured or complex objects, such as anatomical models or the inside of your hand, it does not give you the opportunity to evaluate loupes for your true optical performance, since most people are not trained to see the differences in such complex images. A simple piece of graph paper, however, could prove the difference between mediocre magnifiers and high quality.

3. Test magnification.

The magnification level is used most often based on personal preferences. However, there are some guidelines that can help in choosing the best extension for your specific needs. Choose the lowest comfortable level of magnification, as this will provide a wider field of view. Experience shows that the most commonly used and recommended for magnification loupes dental in different fields are:General Special Expansion of Dentistry, Dental Hygiene, Implantology: 2.5x .3.0x. 3.5

Endodontics, crowns and bridges: 3.5x – 4.0x

laboratory and technical work: 4.0x. 5.0x .6.0

4. Test working distance.

The working distance refers to the distance between his eyes and mouth of the patient. You can measure it assuming its normal working position, making sure that you are comfortable that your back is straight, and you’re not too tilted forward. You might ask someone to help you through this process. You can also use the following table to help determine the best working distance for your personal needs: Altura: <1.70 cm, 1.70-1.90 cm > 1.90 cm

Sitting: 340 mm, 420 mm, 500 mm

PE: 420 mm, 500 mm, 550 mm

5. Check the viewing field.

The field of view is the area that is visible and in focus while looking through the magnifying glasses. A larger field of view is preferred because there is a larger area visible through the magnifying glasses, and there is less need to move the head. The size of the “field of view” also corresponds directly to the magnification factor.Put simply: a magnifying glass with a smaller magnification factor will have a wider field of view, and vice versa. All magnifiers use of high-performance lens systems that provide an extra wide field of view (up to 125 mm).

6. Check the depth of vision.

The depth of field is the depth of the area that is visible and in focus when viewed through magnifying glasses. A greater depth of field is preferred because there is a deeper area visible through the loupes. The size of the “depth of field” corresponds directly to the “working distance”.A magnifying glass with a longer distance will have a greater depth of field, and vice versa. The size of the “depth of field” also corresponds directly to the magnification factor.

The magnifying glass with a lower magnification factor will have a greater depth of field, and vice versa. All magnifiers use of high-performance lens systems that provide an extra large depth of field (up to 120 mm).

7. Compare with prescription lenses.

If you wear glasses with prescription lenses,it is important to have the option of adjusting their magnifying glasses with the correct prescription. Otherwise, the magnifying glasses will not work according to specifications. Standard frames can easily be fitted with prescription lenses by your optician. The loupes are also available in a choice of “fit”, which can be clipped to your regular glasses.

8. Test the weight of loupes .

The weight is an important factor in choosing a new magnifying glass, especially if the magnifying glass is to be used for long periods of time. Light magnifiers are more comfortable and long-term will reduce the tension and other complications. Very light magnifiers offer maximum comfort. All magnifiers use extremely lightweight materials.

Loupes weigh as little as 42 grams (not including the frame).

Regarding loupes Galileo, these are heavier. Look for a style that has a headband and is more comfortable to be used for a long time.



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