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Plaque Simulator 6
EP Plaque Catalog
PS6 User Guide
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Eye Physics, LLC

11401 Kensington Road
Los Alamitos, CA 90720, USA

Due to the current flood of Russian cyber attacks we have had to remove contact information from this web page. Please contact IsoAid or another user of Eye Physics products for contact info.

SSR

New: Eye Physics introduces Spheroidal Surface Reconstruction (SSR) from 3D CT or MRI to map tumors directly to the azimuthal equidistant projection of the inner surface of the eye (aka retinal diagram).

IMPORTANT NOTICE: To all users of BEBIG Plaque Simulator version 5 and earlier versions (PS5). In January 2015, PS5 turned 21 years old and reached end-of-life as a sustainable product. The computers for which it was designed (Apple Macs with PowerPC processors) were phased out by Apple in 2005, the last operating system that supported software emulation of the PowerPC processor was OSX 10.6 which was released in 2009.

Plaque Simulator version 6 (PS6) has been in development and testing since 2012 by Eye Physics, LLC and replaces PS5. PS6 is designed for current Apple Macintosh computers with Apple silicon ARM64 (e.g. M1, M2) System on a Chip (SoC) as well as recent models that used Intel x86 Xeon, Core i5, i7 and i9 processors. PS6 leverages multiple cores to accelerate dosimetry calculations by distributing the work uniformly and concurrently amongst all available physical and logical cores. Please visit the Plaque Simulator page for details. Hardware recommendations are discussed in the PS6 User Guide.


Eye Physics 3rd generation 3D printed plaques.

These plaques are available in many preconfigured (as well as customizable) sizes, shapes, curvatures and source arrangements. The thickness of our plaques ranges between 1.5 and 2.1 mm. Each radionuclide source is individually collimated which promotes intensity modulation and enables the delivery of a conformal dose distribution to the tumor while sparing surrounding retina and the optic nerve. Eye Physics plaques are designed to fit eyes that are spherical or oblate spheroids which assures a close fit to each patient's eye size and curvature.

Many Eye Physics plaques are optimized for tumor height and location. For example, several of our plaques are thin enough (1.5 mm) to slide under a rectus muscle and these models are not circular. These special purpose plaques are shaped to position their suture eyelets in the gaps between muscles, thereby avoiding the necessity to detach a muscle in order to treat a tumor located under the muscle. Other plaque models are optimized to treat ciliary body tumors.

The Plaque Simulator software supports image based 3D modeling of each patient's eye, tumor, plaques, and provides precise calculation of suture coordinates for the surgeon.

New 2021 plaques

Some of our newest 1.5 mm thick plaques coming in 2021. These blue castable resin prototypes were created using our FormLabs stereolithography 3D printer.

EP2028

Eye Physics newest 3D printed plaque, the EP2028 is designed for treating tumors located in the anterior hemisphere of the eye. It is a slighly smaller version of the recently introduced 2335 and 2339 shown below.


EP933

Eye Physics recent 3D printed plaque, the EP933, replaces the older manually prototyped EP930. The 933 designed for treating large peripapilary tumors that wrap around the optic disc. It features a deep notch and slots for up to 3 seeds on each side of the notch.

CilliaryPlaques

Eye Physics recent 3D printed plaques, the EP2335 and EP2339 lines are designed for treating tumors located in the anterior hemisphere (e.g. ciliary body tumors) of the eye. The plaques pictured were shaped for conformal fit to eyes of about 24mm equatorial diameter with slightly oblate anterior hemispheres.


EP2343

Next in the production pipeline is the EP2343, an even larger version of the 2028, 2335 and 2339 family for large and anterior tumors.

EP2343

The first 18K gold casting of the 2343 received Aug. 2, 2017. Suture templates should be ready by September 2017.


EP1930

The EP1930 is a new experimental dome shaped plaque designed to arc above the cornea to treat tumors of the iris.


Eye Physics, LLC is a Medical Physics Consulting and Services Company.
The company is led by Emeritus Prof. Melvin Astrahan, PhD, DABR.

NOTICE: Eye Physics plaques are not yet FDA approved (we're working towards getting clarification).

then again, neither are any other eye plaques as far as we know... however, eye plaques and their related accessories and planning programs may be exempt from premarket notification procedures according to this section of Title 21: Sec. 892.5650 Manual radionuclide applicator system.

You can download our shareware and freeware software products using the links in the left column of this web site.

Eye Physics services include:


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