Does anyone know of any independent lab (in us and canada) which provides rx lens tinted in BPI 500/550 and 540 diamond dye or equivalent?
Does anyone know of any independent lab (in us and canada) which provides rx lens tinted in BPI 500/550 and 540 diamond dye or equivalent?
Go to the BPI web site and buy yourself a basic tint tank. Tinting lenses in your own office is a license to print money.
..................or use my patented Microtint system, were you tint simply in you microwave oven, you already have, to make your tea, and no need to buy the tinting unit.
Oh good grief - the old FL-41 "magic tint" thing again. The problem is 99.99999% of doctors never do any actual clinical testing to *actually* determine if there is ANY benefit to their particular patient WHATSOEVER. But it get prescribes like its some magical flaming sword that cure's everything "migraine" related. Funny thing is, the tint was developed in the late 80's-early 90's, when monochrome CRT monitors and horrific green fluorescent office lighting were much more the norm. Certainly, there are probably very limited cases where this type of therapy could be clinically tested for, and properly prescribed - both in terms of specific tint color, and of course, density for a given working environment.
But that, of course, is literally NEVER done by prescribing physicians.
Forgeting about all this "therapeutic" malarkey. It's the dollars that count rather than all this "medical" marketing bologna. You dye tank will pay for a weeks ski vacation in Switzerland every year or you can upgrade that tinker toy 28 footer that you have been sailing. Perhaps I overstate the value of tinting plastic lenses but I think that the dye tank, more than any other single factor, with the possible exception of the Feds mandating dress safety standards, contributed to the popularity of CR-39 lenses back in the sixties.
At that time I was working at a Guild shop and the majority of our dispensed lenses were glass. The acceptance of polymer lenses was the simple fact that we could pull a pair of finished single vision lenses from stock, edge them and then drop them in the dye tank for a few minutes and charge an extra $25.00 for them. In addition to regular sun glass lenses we had "fashion" tints, gradient tints, multicolored tints and we even sold some plaid tints.
With very few exceptions every lens that left our office was untinted.
Make em smile - earn a pile!
I know nobody asked, but this is a great resource with white papers and evidence based links for commonly used tints.
http://colorlenses.com
Optical Cross: n. crucifixion apparatus used by the New Jersey State Board.
"It is not knowing, but the love of learning, that characterizes the scientific [person]." -Charles Sanders Peirce
"A concept is a brick. It can be used to build a courthouse of reason. Or it can be thrown through the window. -Gilles Deleuze
SO multiple lens colors for singular symptoms / retinopathy / etc. And NO densities listed. What were the testing methods used, and is the prescribing doctor using the same in chair? I bet you the last 30 years of my salary they are not. See the issue?
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