A2 Crown

12mm Corridor Progressive New Design


A2 Vision Technologies provide new generation of progressive short corridor design - super-short corridor 12mm "Crown". The fitting cross is 2mm above the optical center and  the recommended fitting height is 15mm.

 

 

 

 

Benefits of the design:

 
New cutting method of ceramic block provides the high precision of the mold.
Following the tradition of A2 Vision design, the distance zone is clear and wide.
The peripheral aberration moved inside of the functional areas of the lens.
The new aspherical solution maximizes the width of the corridor area, unlike conventional
   short corridor progressive design.
Gradual translate of the central line from the corridor to the reading zone leads to the wide
   clear reading zone - the best solution for the super-short frames.
The design gets full addition power in the 12mm corridor length.

 

 


 

                                                    Cylinder Map



                                                    Power Map




                                                    Corridor section



Technical Data

  Diopter mm
 Distance Width (2mm above MRP) 0.5D
1.0D
9.2mm
16.5mm
 Distance Width (8mm above MRP) 0.5D
1.0D
30mm
clear
 Maximal nasal Astigmatism -2.60D  
 Minimum Corridor Width 0.5D
1.0D
4.8mm
8.8mm
 Near Vision Width (12mm below MRP) 0.5D
1.0D
14.2mm
21.8mm
 Fitting Cross (above MRP)   2.0mm
 Start of progressive (above MRP)   2.0mm
 End of progressive (above MRP)   12mm
 Minimum Fitting Height   15mm

* Measured on base 4.50 addition 2.00D

 


Mold Availability

 

 Bases 2.50  4.50  6.50  8.50
 Additions 0.75 to 3.50 in 0.25D
 Refractive Indexes 1.498  1.56  1.60  1.67

 

 

 

 

  Possibility to produce by Free-form machines and insert for polycarbonate.

 

 

 


                                       Marking dimension

 

 

A2 Kids

10mm Corridor Progressive Lens Design


A2 Kids is an extremely short corridor progressive lens design, especially developed to slow the unique genetic myopia common among children throughout Southeast Asia. Allowing quick adjustment, A2 Kids reduces the effort required by the eye muscle to focus on up-close vision. A wide reading zone enables a child to read a full page at a glance.

A2 Kids is specifically designed for small children's frame, with lower and fewer peripheral cylinders than in traditional progressive designs. With less peripheral blur and a very soft design, A2 Kids is the ultimate solution for a child's active lifestyle.



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                   View Big Map                                                                   View Big Map


Technical Data

  Diopter mm
  Distance Width (2mm above MRP)
0.5D
1.0
6.5mm
12.3m
  Distance Width (8mm above MRP) 0.5D
1.0D
28.5mm
Clea
  Maximum Nasal Astigmatism    -3.0mm
  Minimum Corridor Width  0.5D
1.0D
5.5mm
10.2mm
  Corridor Width (10mm bellow MRP)  0.5D
1.0D
 10.3mm
16.6mm
  Corridor Width (11mm bellow MRP)  0.5D
1.0D
 12.4mm
18.5mm
  Fitting Cross (above of MRP)    2.0mm
  Start of Progressive (above of MRP)    2.0mm
  End of Progressive (bellow of MRP)    10mm
  Minimum Fitting Height       13mm
* Measured on base 3.5 addition 1.75


Prescription Range

  Mold Nominal Base Curve                             Mold Radius (RCX)
  1.00 530.00
  2.50 242.01
3.50 142.9


Mold Availability

  Bases                                               1.00, 2.50, 3.50
  Addition Powers 1.5 1.75
  Refractive Indexes 1.56, 1.60, 1.67

 

 

A2 ProVision

17mm Corridor Progressive Lens Design



A2 ProVision is the ultimate all-purpose progressive lens design for any base or addition. Especially designed for quick adjustment, A2 ProVision enables smooth transition from far to near vision, as well as clear vision at medium range.

A2 ProVision offers an all-aspheric, soft lens design with an exceptionally wide distortion-free area for every vision zone and reduced vertical prismatic levels in the entire lens area. The design is best suitable for large frames.


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Technical Data

  Fitting Cross (above of MRP)                    2.0mm
  Distance Circle (above of MRP)    8.0mm
  Near Area Circle 17.0mm + 8° down to center and side
  Corridor Width 7.0mm (1.0 diopter scale
  Addition Area Width                                          18.00mm (1.0 diopter scale)
  Maximum Nasal Astigmatism No more than addition
* Measured on base 4.00 addition 2.00


Prescription Range

  Mold Nominal Base Curve Mold Radius (RCX)
  2.50 193.90
  4.50 125.95
  6.50 84.60
  8.00 68.75

Mold Availability

  Bases                                                          2.50, 4.50, 6.50, 8.00
  Addition Powers 1.00 to 3.50 in 0.25D steps
  Refractive Indexes                            1.498, 1.56, 1.60, 1.67, 1.586 (PC)

 

A2 Edge

14mm Corridor Progressive Lens Design


A2 Precise is a cutting-edge, short corridor progressive lens design for freeform manufacturing processes. With maximal accuracy and stable base curve, A2 Precise allows for extremely smooth transition from far to medium to near vision at a minimal adjustment period.

A2 Precise offers an all-aspheric, asymmetric, soft lens design with exceptionally low astigmatism in all vision zones and an ultimate gradual central line. The design is suitable for a variety of frame sizes, allowing the user to enjoy both advanced progressive lenses and a trendy small frame.




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Technical Data

  Diopter Mm
  Distance Width (2mm above MRP) 0.5D
1.0
8.4mm
13.5mm
  Distance Width (8mm above MRP) 0.5D
1.0D
33.2mm
Clea
  Reading Zone Width (12mm below MRP) 0.5D
1.0D
10.4mm
15.0mm
  Reading Zone Width (14mm below MRP) 0.5D
1.0D
12.5mm
16.6mm
  Corridor Width 0.5D
1.0D
3.7mm
7.9mm
  Iso-Astigmatism Nasal Side 0.5D
1.0D
10.1mm
7.8mm
  Iso-Astigmatism Temporal Side 0.5D
1.0D
9.3mm
5.2mm
  Fitting Cross (above of MRP)   2.0mm
  Decentration    3.0mm
  Minimum Fitting Height    16.5mm
  Prescription Recommended                       -10.0 to 6.00D
  Nominal Base Curve 1.50, 3.00, 4.50, 6.00, 7.50
* Measured on base 4.00 addition 2.00


Mold Availability

  Bases 1.50, 3.00, 4.50, 6.00, 7.50
  Addition Powers 0.75 to 3.50 in 0.25D steps
  Refractive Indexes                                                     1.498, 1.56, 1.60, 1.67, 1.74, 1.586 (PC)

 

A2 Magic

14mm Corridor Progressive Lens Design


A2 Magic is the ultimate short corridor progressive lens design with the widest far vision zone in the market. Enabling smooth transition from far to near vision, as well as clear vision at medium range, A2 Vision is quick and easy to get accustomed to.

A2 Magic offers an asymmetric, aspheric soft lens design with a minimum fitting height of only 17 millimeters. The design is, therefore, suitable for a variety of frame sizes, allowing the user to enjoy both advanced progressive lenses and a trendy small frame.

         Power Map                                 Cylinder Map





Technical Data

  Diopter Mm
  Distance Width (2mm above MRP) 0.5D
1.0
10.4mm
Clear
  Distance Width (8mm above MRP)
0.5D
1.0D
23.0mm
Clear
  Height of Iso-Astigmatism Line
0.5D
1.0D
6.8mm
5.5mm
  Reading Zone Width (14mm below MRP)
0.5D
1.0D
8.3mm
14.0mm
  Maximum Nasal Astigmatism   -2.5mm
  Corridor Width
0.5D
1.0D
4.6mm
8.7mm
  Fitting Cross (above of MRP)   2.0mm
  Start of Progressive (above of MPR)   2.0mm
  Progressive (below of MRP)   14.0mm
  Minimum Fitting Height   17mm
* Measured on base 4.00 addition 2.00

 

Prescription Range

  Mold Nominal Base Curve     Mold Radius (RCX)
  2.50 193.90
  4.50 125.95
  6.50 84.60
  8.00  68.75

 

 

Mold Availability

Bases 2.50, 4.50, 6.50, 8.00 
Addition Powers 1.00 to 3.50 in 0.25D steps
Refractive Indexes                                                  1.498, 1.56, 1.60, 1.67, 1.586 (PC)