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If you have questions, please call customer service at 

1-888-360-0033.

If you have questions, please call customer service at 

1-888-360-0033.

12. Adjusting Convergence Angle

Before adjusting the convergence 

angle, set the IPD (see step 10). 

Then, follow the instructions in step 

11.0. If you still see two horizontal 

dots, your optics have convergence 

error and you need to rotate the lens 

barrels to eliminate the horizontal 

convergence error. 

12.0 

To adjust the horizontal conver-

gence angle, first look downward at 

the loupe optics from the top to see 

if the barrels are equally angled.

12.1

 Barrels out of alignment will 

appear asymmetrical.

12.2

 If a barrel seems out of align-

ment, loosen both convergence 

adjustment screws with a Phillips 

screwdriver.

12.3

 Adjust one or both barrels so 

they are pointing slightly and equally 

inward (this will give you a rough 

alignment).

12.4

 Slightly tighten both screws 

to keep them in alignment. Focus 

on the dot from Step 11. If you still 

see two dots, repeat steps 10.0 

- 12.4 until you see one dot and both 

barrels are pointing inward equally. 

Once set, tighten both convergence 

screws on each barrel.

12.1

12.0

12.3

12.2

12.4

Barrels out of alignment.

Barrels in alignment.

10. Adjusting IPD

10.0

  With the Perioptix “Set and 

Forget” feature, the only adjustment 

that is usually needed is to set the 

IPD (Interpupillary Distance).  While 

focusing on an object, pull up on the 

Interpupillary Adjustment Knob and 

rotate, moving the optics apart and 

together. You should look at the out-

side rings of the field of view when 

you are adjusting the IPD.

10.1 

Focus on an object with the 

optics far apart.

10.2

 Bring the optics together until 

you see a single circle. Once you see 

a single circle, your IPD is set.

11. Convergence Angle Test

The convergence angle of your loupe 

optics is preset according to your 

working distance.  

11.0 

To test the convergence angle, 

draw a single dot on a piece of paper. 

Focus on the dot with your loupe op-

tics at the proper working distance. 

Unless you are seeing two dots, your 

convergence settings should not 

require adjustment.

11.1

 Two horizontal dots indicate  

horizontal misalignment. Proceed  

to step 12 to correct the conver-

gence angle.

11.2

 In the rare case that two verti-

cal dots indicate a vertical misalign-

ment, your loupes may need to be 

returned to PeriOptix for adjustment. 

Call customer service at 1-

888-

360-0033

 to arrange for a return 

authorization number.

10.1

10.0

10.2

Before IPD is adjusted.

After IPD is adjusted.

11.1

Horizontal misalignment.

11.2

Vertical misalignment.

11.0

Normal.

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