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ML Prisma

ML Prisma is the name for a system of frames, flip-ups and lenses which could be combined into an endless of different ways.

The purpose of ML Prisma is: 
- to simplify and improve the practical examination of the patient.
- to improve the optical quality towards lenses as the “Fresnel Press-on”
- to in longer perspective lower the costs because it is re-usable.

Lenses

Circular lens
Ø 48mm with prism up to 10 
or spherical power from –3 to +3 dptr. 

The lenses are:
- circular to able them to turn 360°.
- produced in "CR39", the best optical material for optical lenses. 
- edged with a facet to fit into frames and flip-ups.

Frame and flip-up

Double rimmed frame (with flextemple) Available for 48Ø-mm lenses. Double rimmed flip-up.  
Available for 48Ø-mm lenses.

It is for both the frame and the flip-up possible to fit two lenses per side. A prism lens in front and a spherical lens on the back.

Because the lenses are round they are possible to turn in order to correct the prism base exactly.

Test box

In a box a number of lenses, flip-ups and frames are delivered:

Complete box:  
1 Frame  
3 Flip-ups  
   
Prism-lenses:  
1, 2, 3, 4, 5, 6, 7D  4 pcs/each
8 and 10D 2 pcs/each
Spherical lenses:  
+0.5, +1.0, +1.5, +2.0, +3.0  2 pcs/each
   
Reduced box:  
1  Frame  
2 Flip-ups  
   
Prism lenses:
1, 2, 3, 4, 5, 6, 7D  2 pcs/each
8 and 10D 2 pcs/each
Spherical lenses:  
+1.0 och +2.0    2 pcs/each