Eyeworld

Doing more toric lenses we always wonder, will we have some residual left over, did we accidentally miss the axis to counteract it, or did the lens rotate? What I love is that the OPD-Scan III has an internal OPD map. It quickly shows me where the lenticular astigmatism is–even on a small pupil, without dilating the patient ...making my life a lot easier. Toby Tyson, MD Tyson Eye, FL If patients have irregular astigmatism then I'm always thinking about corneal dystrophy, epithelial basement membrane dystrophy, because typically they'll have some subtle EBMD, OSD, or dry eye. It's nice to be able to show a patient their OPD scans, so they can see the surface irregularity that needs to be addressed. Mitch Jackson, MD Jackson Eye, IL Astigmatism is a diffi cult concept to explain to patients so I rely on my OPD-Scan III axial map. If there's a bowtie, I say, "do you see the bowtie…that's your astigmatism…so, a toric lens may be the ideal option for you because this bowtie is really big". If the astigmatism pattern is non-symmetric, the patient may not be a good toric IOL candidate. Cynthia Matossian, MD Matossian Eye Associates, NJ WAVEFRONT DIAGNOSTICS FORUM | PART 5: How do we characterize and localize Astigmatisms within the optical pathway? 800-874-5274 | marco.com OPD-SCAN III Localize astigmatisms within optical pathway. A LIVE SYMPOSIUM DISCUSSING THE BENEFITS DERIVED FROM INTEGRATED WAVEFRONT TECHNOLOGY TO VIEW THE POWER FORUM III: PART 5 LINK: https://vimeo.com/261142991 ▲ We're also doing more surface treatments prior to premium IOL implantation. Whether it's corneal scraping or another technique, it is essential to be able to show patients the before and after images to see how irregular the corneal surface is, why we need to remove this bad tissue, let it heal, delay 3-months and get it right. Larry Patterson, MD Eye Centers of Tennessee With multi-focal or extended depth of focus lenses, if a patient is unhappy after surgery, is it the ocular surface, or remnant corneal astigmatism? Even a half diopter of astigmatism could lead to unhappy visual results. The OPD really helps delineate the source of sub-optimal vision, in the pre- and post- operative period. Neda Shamie, MD Maloney Vision Institute, CA

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