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Progressive lenses #2 How do they work? - Comments (4)

Progressive lenses are the most evolved optical solution for your eyes, because they allow you to see in a clear and natural way at all distances, avoiding the unpleasant put-on/ put-off that doesn't value your image.

Technical structure of progressive lenses:

Area for far distance: the upper part of lenses is meant to vision at far distance, for example when you drive the car, you watch a movie to the cinema, or simply walking and looking at landscape.

Area for intermediate distance: the intermediate area, or progression corridor, is the central part of lenses, where the corrective power gradually passes from correction for far or close distance.

The width of this area depens on the powet, geometry, and on lenses choosen according to your lifestyle. Although it is the more narrow area of lenses, it allows to see clearly at intermediate distancesm for example the computer screen, or the car's dashboard.

Area for close distance: this area is situated in the lower part of lenses and it's menat for the reading or the viison of objects at a very close distance. In this area the corrective power gradually increases, up to reach its maximum in the lower part of the lens. This guarantees a wide and comfortable vision.

Peripheral areas: the so-called peripheral areas of progressive lenses are the more blurred areas of progressive lenses at the sides of the lenses. These areas cannot be completely eliminated, but, if you follow attentively the advices for theur use, this perception of blurring will be gradually reduced.

It will all happen in a natural way…

 

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Progressive lenses #3 Vision at far distance - Comments (0)

The upper part of lenses allows to see in clear and comfortable way at far distances. To see at far distance, be sure you look through the superior part of the lenses.

The advise it not to move simply the eyes but to turn the head also in the direction of the glaze.

Useful advices when you walk upstairs 

Look through the upper part of the lenses and lower the chin towards the breast. Look at each step before you move forward. Use the rail, above all in beginning phase. Walk upstairs will become soon a natural action.

Useful advices for driving 

Depending on what you want to see, you have to use the area for far distance and for intermediate distance of the new lenses.

  • The road: keep the head in normal position and look through the upper part of lenses, the area destined to vision at far distance.
  • he dashboard: slightly lower the head and look though the central part of lenses, the area for intermediate vision.
  • Mirrors: look through the superior part of the lenses and turn the ehad through the mirror that you wish to use.
  • Reverse: use the upper part of lenses and turn the head towards the direction you with to go.

 

 

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Progressive lenses #4 Intermediate area - Comments (0)

The central part of lenses is useful to focus objects that are at an intermediate distance.

This distance goes from 0,5 to 1,5 meters. It can be necessary to lower or lift slightly the chin to find the irght focus point. Those who work in office frequently use the intermediate area to look at the computer screen or the objects on the desk.

Occupational lenses for visual comfort

For thsoe who need specifi performances in intermediate area, it is available a more customized solution: the so-called indoor lenses. These lenses are specifically studied to make simpler an more comfortable the vision at medium and close distances thanks to a wider intermediate area. They are suitable for professionals, employees, housewives, and all those who need a vision at variable ditances that can be from 40 cm to about 4 meters. We will be glad to advice the best visual solution.

 

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