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    Aqueous angiography: Moving toward individualized IOP control

    Real-time outflow may guide future glaucoma therapeutics

    An important step forward in ophthalmic technologies has been taken in the potential ability to better control and predict intraocular pressure (IOP) lowering in minimally invasive trabecular bypass/ablation procedures for glaucoma. Aqueous angiography, which visualizes the anterior segment, provides images that facilitate an increased understanding of aqueous humor outflow in individual patients.

    The technology was used previously to study segmental aqueous humor outflow in enucleated eyes as well as in whole eyes of non-human primates. Now, however, surgeons are able to do the same in human patients, according to Alex Huang, MD, PhD.

    Study details

    Dr. Huang and colleagues obtained these images in eight patients (four men, four women) who ranged in age from 54 to 77 years and were undergoing phacoemulsification. The investigators used indocyanine green (ICG) as an anterior chamber tracer for aqueous angiographic imaging.

    Facilitating phacoemulsification

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