Clinical Tips

By Palmer Cook, OD
Friday, November 16, 2012 5:54 PM Clinical Tip When fitting multifocals, especially in higher powered Rxs, although you normally place the MRPs or optical centers at unequal decentrations to agree with unequal monocular pd's, you may wish to equalize the decentration of the segs for a better cosmetic result.

Chromatic Aberration

By Palmer Cook, OD
Monday, June 11, 2012 1:46 PM At the end of the rainbow is a pot of gold, and over the rainbow is where bluebirds fly, or so they say. Pots of gold and bluebirds aside, rainbows are generally unwelcome visitors when it comes to your patients' spectacle lenses and retinal images.
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