D -0.25 measurement on soft lenses (piggybacks(

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BurnTheAction
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Posts: 55
Joined: Mon 04 Aug 2008 8:37 pm
Keratoconus: Yes, I have KC
Vision: Contact lenses

D -0.25 measurement on soft lenses (piggybacks(

Postby BurnTheAction » Wed 18 Aug 2010 3:13 pm

Been trying to get through to my opticians all day regarding my piggyback prescription but had no luck so thought id call on the wisdom of the forum

My latest Proclear 90 day soft lens piggybacks have a D measurement of -0.25. Looking back at past piggybacks i started on D -0.50, this seems to have increased as my lens tolerance reduced, my last batch were +0.25 after they decided to increase the thickness of the pb.

The -0.25 i have received recently don't seem to be offering the same amount of comfort as the +0.25, have they sent me the wrong set or is there a significant difference with this measurement or am i just imagining things?

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