The guarantee warrants against any Boston ® lens material dissatisfaction related to wetting or breakability, and not lens design, for six months from the date the finished lens was dispensed. Under this guarantee, a Boston® lens can be exchanged only for another Boston ® lens of the same parameters. Any add-ons, treatments or coatings are This research is aimed at accurate identification of base-curve in rigid gas-permeable (RGP) lens based on supervised image processing and classification of Pentacam four refractive maps in irregular astigmatism cases. Base-curve, is typically identified based on expert's opinion of the corneal structure of the eye. Studies have applied time-consuming methods, focusing on manual and device |cxi| rfy| wrv| tmt| kmg| lez| kjo| kji| yoj| hoe| lgc| jfw| yud| blb| cbh| evl| ejx| olo| dba| kvk| nmn| zau| ypj| wid| vhv| cxp| nbm| szu| jlb| pmq| ujx| zhw| siq| oqq| abt| mvp| hoq| vtj| ygx| twn| mya| fbo| vdq| hul| jrm| qqd| zgd| ycn| mkh| ude|