Spectacle technique and technology
Mgr. Petr Veselý, DiS., Ph.D.
Introduction
Spectacle technique I
Pupillary distance measurement for far
Near pupillary distance measurement
Spectacle lens minimal diameter calculation
Spectacle lens centering according to real center of rotation
Spectacle lens centering according to pupillary position in natural distance view
Bifocal lens centering
Bifocal lens E-line centering for patient with accommodative strabismus
Trifocal lens centering
Progressive lens centering
Lenticular lens centering
Anisometropia and aniseikonia calculation in aphakic eye
Size of retinal image calculation in consequences of vertex distance change
Normative centering tolerance in case of spherical lens centering
Normative centering tolerance in case of cylindrical lens centering
Spectacle technique II
Calculation of horizontal decentration of spectacle lens in spectacle frame
Calculation of spectacle lens vertical decentration
Spectacle lens vertex distance measurement
Spectacle frame pantoscopic angle measurement
Spectacle frame wrap angle measurement
Spectacle frame pressure relation measurement
Spectacle frame static relationship measurement
Aniseikonia correction with spectacle frame adaptation
Taxation of the prescription for spectacles and optical aid
Choice and recommendation of spherical/cylindrical one-focus lens from the catalogue
Choice and recommendation of bifocal lens from the catalogue
Choice and recommendation of progressive and degressive lens from the catalogue
Choice and recommendation of lenticular lens from the catalogue
Choice and recommendation of prismatic lens from the catalogue
Spectacle technology I
Imaging with plus spectacle lens
Imaging with minus spectacle lens
Total optical power of the spectacle lens calculation with Gullstrand formula
Sphere and cylindrical lens vertex power measurement with eyepiece lensmeter
Sphere and cylindrical lens vertex power measurement with projection lensmeter
Sphere and cylindrical lens vertex power measurement with digital lensmeter
Bifocal lens vertex power measurement with eyepiece lensmeter
Progressive lens vertex power measurement with digital lensmeter
Degressive lens vertex power measurement with digital lensmeter
Prismatic of spherical and cylindrical lens inducement on lensmeter
Calculation of the lens magnification
The proper spectacle lens base choosing
Middle and peripheral thickness of the spectacle lens calculation during manufacturing
Phase and amplitude condition of the spectacle lens anti-reflex
Spectacle technology II
Calculation of visual field change in different spectacle lenses
Calculation of important point moving in prismatic lenses
Calculation of relationship among accommodation and convergence
Calculation of convergence task in spectacle correction
Mirror method in progressive lens centration
Basic spectacle frame parameters – axis system
Basic spectacle frame parameters – boxing system
Measurement of spectacle side inclination
Measurement of spectacle side opening angle
Calculation of spectacle lens optical power if vertex distance is changed
Fixing of spectacle frame with glue
Soldering of spectacle frame
Change of melting hinge of the frame
Change of rivet hinge of the frame
Complements
Literature
Revision test
Complements
Literature
Revision test
Revision test
Revision test
Revision test
Revision test
ROPOT in IS MU
