By definition Interpupillary
distance (IPD) can be defined as the distance between the center of the pupils.3 Far Interpupillary
Distance is the IPD during measured when a person sees a distant object.
Caption: Figure 6: Typical design space for specific interpupillary
distance coverage and ID requirements
In previous studies various facial anthropometric measurements such as width of the mouth, intercomissural width, bizygomatic width, interalar width and interpupillary
distance have been explored for determining the width of anterior maxillary teeth.
To perform this calibration, the Microsoft HoloLens includes an official "Calibration" app, which however does not offer a complete user-based calibration procedure, but it is designed to solely determine the interpupillary
distance (IPD) .
They might include such medical shorthand as DMARD (disease-modulating antirheumatic drug), or may vaguely represent plain English like ANED (alive, no evidence of disease), or have multiple meanings such as PD (Parkinson's disease, interpupillary
distance, peritoneal dialysis).
In previous research on TED, there have been few references to the change in the axial globe position in vertical and lateral orientations, and measurement methods have not been uniform: horizontal eye positions are sometimes evaluated using the interpupillary
distance  and sometimes using the distance between the most medial part of the eyeballs measured on an axial CT image .
He was normocephalic and hyperteloric (inner canthal distance 4 cm, >97th percentile; outer canthal distance 10 cm, >97th percentile; interpupillary
distance 6.5 cm, >97th percentile).
distance after orbital rotation surgery was 65 mm.
As the device has not yet launched, this may yet change, but the leaked (https://twitter.com/h0x0d/status/701987243011911680) safety instructions explain that HoloLens was designed for use by people with an interpupillary
distance of between 51 and 74, which normally includes adults and children over 13.
Firstly, the wheel on the top of the device can adjust the lenses's IPD (interpupillary
distance) which can affect how far or near the lenses are to each other, and secondly, there are also two rotating knobs on each side of the device wherein you can adjust the distance of the lenses to your eyes.
The next step was to find a set with an interpupillary
distance (the space between our eyeballs) that fit both of us, her eyes being much closer together than mine.
The eyepieces are seated at a comfortable 45[degrees] viewing angle with an adjustable interpupillary
distance range of 54 to 75 mm.