Denice Now THAT sounds like an interesting Scientific Session topic... a comparison of imaging modalities for the filtering angle blablabla. :) j- On Fri, Jul 19, 2013 at 11:23 AM, CPMC Ophthalmic Diagnostic Center < cpmceyelab@xxxxxxxxxxxxxxxx> wrote: > Ah, the elusive “Gray zone” of the sulcus, sclera spur and beyond. UBM > works great, to a point. AS-OCT has it’s shining moments. Gonio can make > pretty pictures. We’re all looking for the Holy Grail- easy, high > resolution images of the iris and beyond. Something that can slice through > pigment, yet penetrate deep enough for the Glaucoma guys.**** > > ** ** > > Sometimes, it’s having the confidence to know that it’s the technology > failing you, not your skills. Just as you get to the Angle and beyond, > things start to fall apart. UBM or at least 20MHz US works pretty well for > the lens, at least anteriorly, but depending on the eye, the depth of the > AC, yadayadayada, really getting enough information deep enough into the > anterior posterior chamber is tricky….**** > > ** ** > > Don’t even get me started about reproducible metrics!**** > > ** ** > > D.**** > > ** ** > > *Denice Barsness, CRA, COMT, ROUB, CDOS, FOPS***** > > *Ophthalmic Diagnostic Center***** > > *CPMC Department of Ophthalmology***** > > *2100 Webster Street Suite 212*** > > *San Francisco CA 94115***** > > *(415) 600-3937 FAX (415) 600-6563***** > > ** ** > > *From:* optimal-bounce@xxxxxxxxxxxxx [mailto:optimal-bounce@xxxxxxxxxxxxx] > *On Behalf Of *John Head > *Sent:* Friday, July 19, 2013 7:04 AM > *To:* optimal@xxxxxxxxxxxxx > *Subject:* [optimal] anterior heidelberg, viewing thru hazy cornea**** > > ** ** > > We have a new anterior lens and module for the Hedelberg Spectralis at a > second site, but not much experience using it. As a photographer familiar > with the other Heidelberg functions, how much differnet is the anterior > scanning methodology? trying it a couple times, it seems that fixation can > be an issue? are there any optimal scan settings, ie ART levels, HS or HR? > **** > > **** > > basically I'm looking for some pointers, because an MD wishes to see the > angle for possible peripheral anterior synchiae, or a "mass blocking" > which may be causing a "malpositioned ACIOL in the chamber."**** > > **** > > the trouble is, I don't know enough about the machines capability, > especially when the MD says she cannot see the angle due to a "hazy cornea." > **** > > **** > > any suggestions or comments would be appreciated.**** > > **** > > Thanks,**** > > John Head, CRA**** >