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SEIKO Videocentration system including near PD measurement
Advantages Videocentrationsystem:
Frameselection
Measurement of centration data
Lens consultation
Increase of Imange, showing competence
Increase of turnover by selling higher quality lenses
and less complaints
SEIKO – Videocentrationsystem
High quality digital SLR camera. 12 Megapixel, 6 x optical zoom.
Embedded PC with touchscreen
SEIKO – Videocentrationsystem
Advantages Videocentrationsystem:
Frame selection
SEIKO – Videocentrationsystem
max. 18 photos
Series of up to 6 pictures
Simulation of lenses, tints, …
Excellent quality of images
Print-out available
Frame selection
SEIKO – Videocentrationsystem
Advantages Videocentrationsystem :
Frame selection
Measurement of centration data
SEIKO – Videozentrationsystem
Measurement of centration data
FFA with headmirrorRefernce jig
SEIKO – Videozentrationsystem
Frontpicture : all data for centration and optimization
Measurement of centration data
single PD boxing size fitting height
Total PD dbl Facerotation / Facetilt
PD
Pupil center or cornea reflex ?
Measurement of centration data
PD
Pupil center or cornea reflex ?
PD based on pupil center is in average 0,50 mm > than cornea reflex PD
Variation Pupil center PD – Cornea reflex PD: 0,0–1,0 mm
Measurement of centration data
Cornea Reflex PD 67,05 mm
Pupil center PD 68,08 mm
Measurement of centration data
PD Messung
Pupil center PD or Cornea reflex PD?
Pupil center PD in average 0,50 mm > corena reflex PD
Variation Pupil center PD – Cornea reflex PD: 0,0–1,0 mm
Recommendation:
Validation of cornea reflex measurement using the crosses and, if necessary, adjusting according to pupil center.
Measurment of centration data
Frontpicture : all data for centration and optimization
FFA with headmirror
Measurement of centration data
Frontpicture : FFA measurement
Measurement of FFA under wearing conditions
Measurement of centration data
Side picture: VCD und PT
Measurement of centration data
Near PD measurement
Testing under reading conditions
Determination of inset for individual progressives
Measurement of centration data
Measurement of near PD
Measurement of near PD
Measurement of near PD
Front picture: all centration data incl. FFA
within approx. 2-3 minutes
Side picture: VCD and PT
Hand-held mirror: near PD
SEIKO – Videocentrationsystem
A complete and extremely accurate way of getting all centration data
Advantages Videocentrationsystem :
Frame selection
Measurement of centration data
Lens consultation
SEIKO – Videocentrationsystem
Lens consultation
Comparison of high-end material, design, brandproducts
SEIKO – Videocentrationsystem
„Open“ system for all lens suppliers
SEIKO – Videocentrationsystem
Advantages VCS: Disadvantages VCS:
Frame selection Purchase cost
Measurement of centration data
Lens consultation
Increase of Imange, showing competence
Increase of turnover by selling higher
quality lenses and less complaints
SEIKO – Videocentrationsystem
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