[PDF] Top 20 Automated Early Detection of Glaucoma in Wavelet Domain Using Optical Coherence Tomography Images

... induces glaucoma. Hence, the premature detection of optic nerve damage may permit early detection of ...for early stage glaucoma diagnosis based on Discrete Wavelet ... See full document

... The OCT Cirrus (Carl Zeiss Meditec, Inc, Dublin, CA, USA) employs a low-coherence interferometer to assess peripapil- lary tissue thickness. A good quality image was defined as an image with signal-to-noise ratio ... See full document

... for early glaucoma diagnosis, and it is still unknown whether one or several of these diagnostic parameters should be used in the clinical diagnosis of early ...in early glaucoma than ... See full document

... surface detection will result in surface ghost reflections not aligning in a perfectly flat manner following the surface transformation process, resulting in non-uniform offset parameters in the ...the ... See full document

... advanced glaucoma is generally straight- forward, and (3) combination of single parameters into composite improves the diagnostic ability of OCT in early ...diagnosing early glaucoma with the ... See full document

... obtained using the automated segmen- tation algorithms of each OCT ...nine Early Treatment Diabetic Retinopathy Study ...the Early Treatment Diabetic Retinopathy Study sector grid were 1, 3, ... See full document

... of Optical Coherence Tomography for diag- nosis of glaucoma is a powerful ...time domain OCT techniques has transformed to a superior system with spectral domain OCT techniques, ... See full document

... spectral domain OCT in detecting the glaucomatous ONH and RNFL changes in patients with early to moderate glaucoma and compared with their age matched ...controls. Optical coherence ... See full document

... Main body: There are several advantages to wide-field imaging in the clinical management of sickle cell disease patients. Retrospective and prospective studies support the success of wide-field imaging in detecting more ... See full document

... angle glaucoma, normal tension glaucoma or pseudo-exfoliation glaucoma, from a register of 2,174 visits of patients having these diagnoses, followed at the Depart- ment of Ophthalmology, Malmö ... See full document

... macular degeneration has led irregularities to these retinal boundaries, making these methods less accurate and robust. The overall accuracy measured by the three quantities has decreased compared with the corresponding ... See full document

... The main focus of our study was to determine if OCT could be a possible substitute for USP in the measure- ments of CCT in glaucoma patients, because OCT has the advantages of being aseptic and without the risk of ... See full document

... simultaneous glaucoma procedure, such as a tube shunt, at the time of Kpro ...addition, glaucoma drainage device implantation can be also considered for aniridic patients without a history of ... See full document

... In this case of retinal dystrophy, the “en face” images allowed suitable observation of the schisis both involving the inner and outer nuclear layer. The hyporeflective spaces had a rounded aspect in the inner ... See full document

... the detection of glaucoma, given that most glaucoma patients do not report any symptoms (Fernandez Lopez et ...several glaucoma presentations. Primary angle closure glaucoma can cause ... See full document

... Fig. 1 Example of a healthy eye imaged using SS-OCT in the ETDRS area. Retina (A-1), GCC/GCIPL (C-1/B-1), and choroid (D-1) were automatically segmented, and thickness measurements were subsequently calculated ... See full document

... Photoreceptor dysfunction may be a significant predictor of visual acuity in patients with diabetic retinopathy [17,18]. The superior delineation of the photoreceptor ISel on SD-OCT images encouraged us to ... See full document

... Retinal tomography is performed in a manner similar to indirect ophthalmoscopy, whereby a +60 dioptre (D) double aspheric condensing lens mounted on the slit lamp in front of the eye is used to relay an image of ... See full document

... Our study demonstrated significant difference in the measurements of AOD500/750 between the two devices. For both OCTs, the temporal data were larger than the nasal ones. And for both quadrants, the measurements were ... See full document

... (36 glaucoma and 29 normal patients) aged ...OCT images, and reliable visual field indices obtained from the Program 32 dynamic strategy (Octopus 101 automated perimeter, Haag- Streit AG, Koeniz, ... See full document