. sALES AND DISPENSE THE EYEGLASSES
How to make an eyeglasses
I. Receive Rx and Measure Pupil Distance
n The interpupillary distance(PD) : the distance between the patient's pupil centers.
- So we can place the optical ceners(OC’s_ or MRP in the proper positions with the relation to the PD..
. (Binocular PD) : Zero setting by left eye then measure PD by right eye.
- Close/Open one eye alternatively
. (Monocular PD) : by dominant eye / (near PD) for multifocal lens
Segment inset = (d-PD – n-PD) / 2
- Close one eye and the other eye for measure.
- PD represent examples: 64/60 – distance PD / near PD
- Corneal Reflection :
n Frame Measurement : Boxing system STD Measurement of the Frame and Lens
II. Choose Frame
Frame and Face