Optical fiber optics, lasertechnologies, solid-state electronics, and integrated camera systems are allnew and offer exciting possibilities for intraoperative imaging. Benefits ofintraoperative ophthalmic imaging and surgical systems include the ability toprovide immediate analysis and treatment of eye disorders, as well as theability to provide patients with vision correction after surgery. Asintraoperative ophthalmic imaging has grown in popularity, more vascular MRIprocedures have been added to the toolkit of medical and surgicalpractitioners. This type of MRI is used to examine blood flow in the body,especially to the eyes and brain. The overall picture from a vascular MRI isthat the brain and/or the eyes are functioning inside normal parameters,although other areas of the body may be abnormal.
Non-vascular MRI is the nextgeneration of non-vascular ultrasound. It produces much less radiation andtherefore does not require the high power and associated expense that VLFimaging requires. The general idea with non-vascular imaging though is that itwill allow for greater precision in the examination, but the ability to makeinferences based on regional blood flow has yet to be finalized as there is noway to measure blood flow in response to light.
The intraoperative ophthalmic imaging and surgical systems family include two new generationsof intraoperative tomography products. One is the Global InteroperativeOphthalmography (GIOT) system, designed for both fasciotomy andvitrectomy/cavatory surgery. The second product in the GIOT product family isthe single-photon emission computed tomography (SPECT) scanner. Both of thesehighly sophisticated intraoperative diagnostic imaging systems have enableddoctors to make a number of important findings in the field. These findingshave revolutionized the way that intraocular fundus photography is done andpaved the way for improved intraocular coherence.
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