A simple internet search for the ‘Zeiss VISANTE 1000’ will leave you disappointed with only the results of far more expensive models from Carl Zeiss Meditec. A strange reality for an instrument that is still relatively new and still quite capable in the realms of ocular topography. We can only assume that Zeiss wishes nothing more than to kill off actually affordable OCTs to push the profit goals associated with instrumentation tens-of-thousands more expensive than the likes of the VISANTE. Our reviews of instruments however are not about the manufacturer’s marketing strategies though, they are in-fact about the instrument itself and thus we digress. The VISANTE 1000 was one of the earliest OCTs from Carl Zeiss, first produced in 2006 it detailed (in vivo examination) the anterior segment of the eye, without eye contact; provided high-resolution cross-sectional images that could later be evaluated and analyzed using measuring tools like the ophthalmic community had yet to see. Still, the VISANTE provides excellent high-resolution images of the anterior segment, and does so quickly without the need for much in the way of operator training. Once an image has been captured it can be analyzed with multiple tools, including accurate topography for keratoconus, narrow-angle assessment, planning and after both LASIK and corneal surgery and patient education. This is all quite useful, however we do have two complaints associated with the VISANTE: 1). There are relatively few software tools, and they are limited in their use and application. 2). It utilizes 1310-nm wavelength to penetrate pigmented tissue, thus the VISANTE OCT cannot image anything past the pigmented epithelium of the iris. These two things set it back from the OCTs of ‘right-now’. In almost all scenarios, we find that the VISANTE OCT provides excellent supplemental information in determining residual stromal bed for the purposes of LASIK enhancement and monitoring cases of endothelial keratoplasty, even if a slit lamp sees it first; the VISANTE confirms it.
OUR TAKE: May be the best entry-level OCT around; your annual equipment budget will thank you.
The Visante OCT system is the first to provide clear, highly detailed, in-depth images of the anterior chamber – includ- ing the angle – without the need for ocular anesthesia or a messy, time-consuming water bath. As a result, the Visante OCT system will provide unique images and measurements that will dramatically expand the potential for diagnostic confidence and therapeutic precision. And, just as import- antly, Visante OCT is so easy to use and efficient to operate that it will seamlessly take its place in your daily workflow, offering new clinical insights and practice opportunities from day one.
The unique, versatile Visante OCT system provides superb, highly detailed results, consistently supporting surgical planning and postoperative care across a range of anterior segment applications.
- Anterior segment imaging – The anterior segment can be evaluated and measured pre- and postoperatively after image acquisition using the analy- sis mode of the Visante OCT system’s software. Practical tools enable planning and measurement of anterior seg- ment ocular structures, including anterior chamber depth (ACD), anterior chamber angles and anterior chamber dia- meter (commonly referred to as angle-to-angle distance). Anterior chamber angle measurement results provide you with quick and reliable data for narrow-angle evaluation. Anterior segment images can be printed with or without measurement tools and results.
- Corneal imaging and pachymetry – Visante OCT provides high-resolution corneal images and documentation for the anterior segment specialist to sup- port the evaluation of ocular health. Rapid acquisition during the pachymetry scan ensures an accurate and repeat- able pachymetry map result for application in refractive and glaucoma care.
In addition to providing a full-thickness pachymetry map prior to laser surgery, Visante OCT is the first non-contact device to image, measure and document both corneal flap thickness and residual stromal thickness immediately following LASIK surgery. A unique flap tool in the analysis mode enables quick measurements of flap and residual stromal thickness at any location, documented on a color-coded plot that includes tabular results. And because Visante OCT is a completely non- contact system, the stability and safety of LASIK flaps will not be compromised.
Keratoconic Pachymetry Map:
The Zeiss VISANTE is equipped with DICOM interfacing and should connect directly with your EHR program, and directly network with an external server.
The VISANTE does not require any external monitor nor external CPU to operate. The 15″ display presents all necessary data and information.
BuzzOptics includes VISANTE OCT software with revision 1.0 or better. You may purchase later software revisions directly from the manufacture for additional cost (subject to availability). BuzzOptics does not recognize VISANTE software revisions greater than 1.1 to provide significant usability or diagnostic advancements/improvements.