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Designed for observing objects at all distances; denoting bifocal lenses.
[panto- + G. skopeō, to view]
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Indeed, it is suggested that the vertical position of the optical centres should be lowered by 1mm for every 2[degrees] of pantoscopic tilt, (2) to ensure the optical axis of the lens passes through the eye's centre of rotation, and this may help with the anisometropic cases such as the one above.
When using high index or aspheric lenses, it is important to record vertical heights and allow for pantoscopic angle by lowering the optical centre by 1mm for every two degrees of pantoscopic tilt.
Also note the effect of ear position on pantoscopic tilt; the lower the ear position, the greater the tilt.
There are many distortions of this classic pantoscopic round oval shape, but Black Eyewear's design is faithful to this balanced geometric shape which embraces the natural face shape."
They are produced by taking into account parameters such as refractive power, final lens thickness, face-form (dihedral) angle, pantoscopic angle and back vertex distance.
* Ensure correct horizontal and vertical centration with pantoscopic tilt
Providing the spectacles are for distance use only, the heights should be lowered by 0.5mm for every 1[degrees] of pantoscopic angle of tilt.
The technology is an innovation in the personalisation process, which fine-tunes a patient's prescription by calculating three distinct measurements--back vertex distance (the distance between the lens and the eye), pantoscopic tilt (the angle at which the frame sits on the patient's face) and panoramic angle (the angle of the frame itself).
The company's is simple to use and makes it possible to demonstrate the features of comparative lens products, together with a clear representation of the differences that individual parameters (pupil distance, corneal vertex distance, pantoscopic tilt and face form angle) have on visual fields.
Three essential measurements are determined: pantoscopic tilt, vertex distance and face-form angle of the patient's eyewear.
The OC must be repositioned by mm for every 2[degrees] change in pantoscopic angle