Optik Medikal | Fırst Slıtlamp ıntegrated Optıcal Coherence Tomography system, the SL SCAN-1
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Fırst Slıtlamp ıntegrated Optıcal Coherence Tomography system, the SL SCAN-1

Fırst Slıtlamp ıntegrated Optıcal Coherence Tomography system, the SL SCAN-1

Since its introduction in the early ity scan, even in an eye observed 90-ties Optical Coherence Tomogra- through a handheld lens. The high phy numerous studies unequivocally resolution of 8 to 9 micron in tissue demonstrated the valuable contri- is sufficient to show all relevant laybution of OCT to the diagnosis and ers of the retina in detail, as shown in treatment evaluation of patients with figure 1. A color fundus photography common diseases, like AMD, Diabetic of the observed area is made at the

Retinopathy, and Glaucoma. same time (Topcon camera DC1, resoThe most important value added lution = 3.24 Mp). by OCT is insight into the third di- First clinical impressions in pamension of the structures of the eye. tients with exudative AMD, seen in The unprecedented resolution pro- the outpatient clinic of the Academic vided by the present Fourier Domain Medical Center, and scanned with

based OCT systems available to image the layered structure of the retina, the peri-papillary retinal nerve fiber layer, or the cornea, iris, and anterior chamber has improved the quality of the diagnostic process tremendously. OCT is a non-contact, non-invasive, completely save technique.

 

 

Present FD-OCT systems are standalone devices. This limits their availability for routine eye investigation. This limitation may be overcome by implementing OCT technology in a small unit compatible with existing  prototype of the newly developed OCT scanning device, integrated into a common slitlamp showed promising results. Thirty patients, 30 eyes, were used for analysis. Operating the device proved to be almost  identical to standard slitlamp examination of the fundus of a patient.  Important during follow-up is the presence or absence of signs of active leakage seen on OCT images. In all patients conclusions based on the SL SCAN-1 were identical, to the conclusions based on a standalone FD-system, the 3D-OCT-The OCT is becoming increasingly important in ophthalmology for both diagnosis and follow-up of patients. The slitlamp with integrated OCT enables to make OCT images during the normal standard examination with the slitlamp, without interfering with the functionality of the slitlamp. In many clinics OCT examinations are performed by techni-cians, not directly familiar with the pathology at hand. This could lead to inadequate scans missing the relevant pathology. With the slitlamp with integrated OCT the ophthalmologist himself will make the OCT scans, directing the scan to the area of interest, observed with slitlamp biomicroscopy, avoiding this problem. This increases the efficiency of

the routine clinical examination of a patient, will increase the comfort of the patient seated behind just one device, and will save time.

Author: Dr. Frank Verbraak

Academical Medical Centre (AMC)

Amsterdam,  The Netherlands

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