منابع مشابه
Quantitative Analysis of Optic Disc Color
PURPOSE To evaluate the reproducibility of ImageJ software in analyzing the color of the optic disc. METHODS One hundred twelve normal participants (56 males and 56 females) were enrolled in this study. The image of the optic disc was taken using Kowa digital disc photo-graphy, and the gray scales of the nasal rim (NR), brightest cupping center (BCC) and largest inferior retinal vein (IRV) we...
متن کاملLetter to the Editor: Quantitative Analysis of Optic Disc Color
Dear Editor, I read with great interest the article by Kim et al. [1] regarding the use of ImageJ to quantitatively analyze the color of optic discs. The authors proposed three points to measure the intensity per pixel area after grayscale conversion , namely nasal rim (NR), brightest cupping center (BCC), and inferior retinal vein (IRV). They found good inter-observer correlation with this met...
متن کاملAutomatic Optic Disc Center and Boundary Detection in Color Fundus Images
Accurately detection of retinal landmarks, like optic disc, is an important step in the computer aided diagnosis frameworks. This paper presents an efficient method for automatic detection of the optic disc’s center and estimating its boundary. The center and initial diameter of optic disc are estimated by employing an ANN classifier. The ANN classifier employs visual features of vessels and th...
متن کاملoptic disc duplication
purpose: to report a case who had optic disc duplication, a rare congenital disorder characterized by two well-defined discs in one eye. case report: a 19 months-old child presented with unilateral epiphora in the right eye since birthday. the right eye was smaller than the left eye and mild ptosis was apparent. nasolacrimal duct probing was performed under general anesthesia. the examination r...
متن کاملBilateral optic disc coloboma.
Pujari A, et al. BMJ Case Rep 2017. doi:10.1136/bcr-2017-221547 Description A 5-month-old male child was brought with the history of right-sided corneal opacity noticed for the past 2 months. The baby was immunised until now with an uneventful antenatal and peripartum history. Ocular examination showed normal sized cornea having a paracentral nebular opacity along the inferior and nasal aspect ...
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ژورنال
عنوان ژورنال: Korean Journal of Ophthalmology
سال: 2011
ISSN: 1011-8942
DOI: 10.3341/kjo.2011.25.3.174