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Case 1: Threshold Visual Field Comparison The field loss in the R.E. (above) has an inferior arcuate shape and could be due to glaucoma. The L.E. (below) exhibits some very minor reductions in sensitivity. GCC correlates better with 10-2 VF than with 30-2 or 60-4. This important topic will be covered in a future
On the first slide, note the corresponding asymmetric RNFL reduction, best revealed in the middle column demonstrating the TSNIT (temporal, superior, nasal, inferior, temporal) curve with both iVue SD OCT (above) and GDx Pro (below).
Case 1: ONH OU Report The RNFL is asymmetric in a similar manner. This is true with both the circumpapillary RNFL thickness as measured with SD OCT and also with the GDx. (See RR #34, for comparisons of SD OCT and GDx RNFL scans) Sometimes, GCC does not agree with RNFL measurements. This important topic
Case 1: iVue GCC Thickness Patient vs. Normal OU The patient's GCC Thickness Map is shown on the top and a normal control is shown below. The normal GCC appears as a green donut and in a normal patient, the thickness in the R.E. is very similar to the thickness in
Case 1: Color Fundus Image OU Best corrected VA has always been 20/20 in the right and left eye. Decades earlier, an optometrist noticed that the patient's right optic disc appeared to be somewhat more pale than his left. The cups are small, poorly defined but have not changed. Central fields (30-2) and color vision
Case 1: Optovue iWellness Exam Above is the iWellness Exam summary of both eyes from a 65-year-old, white asymptomatic male with BCVA of 20/20 R.E. and 20/20 L.E. The horizontal and vertical sections through the fovea appear normal in each eye. However, the Ganglion Cell Complex (GCC) appears normal in the L.E., but especially
The Ganglion Cell Complex (GCC) The GCC is a novel approach to detect, diagnose, and monitor patients with disorders of the optic nerve. These disorders include the various glaucomas but occasionally the non-glaucomatous optic neuropathies as well. In at least some cases, the GCC provides more information about the status of the optic nerve
