G'Day All,
I am seeking help,advice,suggestions in relation to our expensive and erratic Nidek Ice-9000 intelligent(?)blocker.
It works fine on basic lenses,but the problems begin when you try to block high minus bifocal lenses, high cyl bifocal lenses or ground prism lenses(s/v,bifocal or progressive).
In my opinion there is a fault in the design,in that as the light source passes through the lens, the image deviates due to the prismatic effect,so that on the screen you dont see the true position of the lens for blocking.
The result is high minus/cyl/prism bifocals with segs set at different heights,incorrect heights etc.
The sales technicians have finally admitted the built in camera in these units has a problem with prismatic effect on some lenses and claim that Nidek have suggested dotting up a plano lens,positioning the dot as if you were to block the lens,then place the prismatic lens OVER the plano lens,lining up the two lenses, then block the lens! (is it just me,or does this sound ridiculous) I reckon the light will pass through the plano lens,then through the prismatic lens,then deviate,giving the same result as before.
Our old (much less expensive & non intelligent?)blocker never had any problems in this regard & was much more accurate.
I would appreciate any feedback from anyone who has one of these machines that has a sensible solution.
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