The paper presents an imaging reflectometer designed to detect flicker-induced reflectance changes of the ocular fundus. The system is based on a modified fundus camera completely controlled by a personal computer via USB interface. The system allows in-vivo functional imaging of the ocular fundus in the near-infrared region with flicker light stimulus in the visible spectrum.

In this paper the new method for automatic segmentation of cup region from fundus eye images taken from classical fundus camera. The proposed method which is based on fuzzy clustering algorithm is a first step in automatic classification of fundus eye images into normal and glaucomatous ones.

PURPOSE Scattering in the eye occurs mainly at two sites: the eye's optical media and the deeper retinal layers. Although the two phenomena are often treated collectively, their spatial domain of contribution to the double-pass Point Spread Function (PSF) is different: the fundus effect is limited to the narrow and middle part of the PSF whereas scattering in the eye's optics extends also to wi...

PURPOSE To analyze the occurrence of near infrared (NIR) fluorescence in relation to NIR reflectance, blue-light-excited autofluorescence, angiograms, and funduscopy. METHODS Observational consecutive case series in patients with macular diseases. Imaging was performed with a confocal scanning laser ophthalmoscope for NIR reflectance, blue-light-excited autofluorescence, NIR fluorescence, and...

PURPOSE To report a peculiar curvilinear pigmentary lesion in the peripheral fundus in a rod-cone dystrophy. METHODS Observational case report. Fundus examination of a 57-year-old woman who was known to have a generalized rod-cone dystrophy since she was 8 years old. RESULTS The peripheral fundus examination revealed a curvilinear lesion which resembles a well-known finding associated with ...

PURPOSE To determine posterior segment causes of reduced visual acuity after phacoemulsification in eyes with cataract and obscured fundus view. PATIENTS AND METHODS Retrospective review of medical records of patients with cataract, obscured fundus view, and normal B-scan ultrasonography, undergoing phacoemulsification from May 2005 to March 2012 was conducted. Eyes with fundus pathology, pre...

PURPOSE To report differences in the coloration of fundus lesions between Asian and Caucasian patients with bilateral diffuse uveal melanocytic proliferation (BDUMP). CASES This syndrome was detected in 2 Japanese patients, 69 and 73 years old, with lung cancer who visited our department complaining of visual disturbances. The coloration of the fundus lesions was investigated in these 2 patie...

CCK and gastrin stimulate somatostatin (SOM) secretion and thus modulate their direct effects on the parietal cell. Although SOM is stored in D cells of the fundus and antrum, the nature of the cell type differs, and it is not known whether both regions respond to the stimulatory effects of CCK and gastrin. The objectives of the present study were to determine the separate effects of CCK and ga...