How to find Cup to Disk Ratio in Glaucoma Prediction using Matlab?
kindly guide me ....etc

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Overview

Glaucoma is usually, but not always, associated with elevated pressure in the eye (intraocular pressure). This pressure leads to damage to the eye (optic) nerve.

Actually, glaucoma is now considered a disease of the optic nerve (optic neuropathy) that causes a loss of vision, usually in both eyes (bilateral). This loss often begins with a subtle decrease in side (peripheral field) vision. If the glaucoma is not diagnosed and treated, it may progress to loss of central vision and blindness.

Worldwide, glaucoma is the leading c ....etc

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More Info About nurses role in glaucoma prevention

Nursing home glaucoma and visual acuity screening results in western Oklahoma.

Newell SW, Walser JJ.

Abstract

Six hundred and four patients from 19 nursing homes in rural western Oklahoma underwent visual acuity and glaucoma screening. Thirty-seven percent (221/604) had corrected near visual acuity less than or equal to 20/200 in one or both eyes. Fourty-nine percent (298/604) had best distance visual acuity less than or equal to 20/200 in one or both eyes. Improvement of distance ....etc

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Tami daily thanthi news paper full page details ....etc

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Glaucoma is defined as multi factorial optic
neuropathy. Which is a potentially blinding disease
which affects 66.8 million people worldwide. Risk
assessment of the disease goes a long way in diagnosis
and management of the disease. The blood pressure of
eye is known as intra ocular pressure (IOP) and if it
increases to dangerous level, then affects the optic nerve
axon. Thus, increase in IOP has a significant risk factor
for developing glaucoma. This can result in decrease in
vision and leads to blindness. Glaucoma is similar to
int ....etc

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i'm a final year ece student i need some basic idea to do the above mentioned title and what are the tools needed? and some idea to do it! ....etc

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matlab coding for glaucoma identification using cdr ....etc

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matlab code for glaucoma detection

ABSTRACT

In closed angled Glaucoma, fluid pressure in the eye increases because of inadequate fluid flow between the iris and the cornea. One important technique to assess patients at risk of glaucoma is to analyze ultrasound images of the eye to detect abnormal structural changes. Currently theseimages are analyzed manually .This thesis presents an algorithm to automatically identify and measure clinically important features in ultrasound images of the eye. The main challenge is stable detection of features ....etc

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Abstract

This study proposes a semi automated method for glaucoma detection using CDR and ISNT ratio of a fundus image. CDR (Cup to Disc Ratio) is ratio of area of Optic Cup to area of Optic Disc. For a patient with glaucoma Optic Cup size increases while the Optic Disc size remains same and hence CDR will be high
for glaucoma patient than normal fundus image. The ROI of green plane is taken and K-Means clustering technique is recursively applied and Optic Disc and Optic Cup is segmented. Through elliptic fiiting, area of Optic Disc and Cup is ....etc

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feature extraction of glaucoma images matlab code

Abstract

Glaucoma is a group of eye diseases that have common traits such as, high eye pressure, damage to the Optic Nerve Head and gradual vision loss. It affects peripheral vision and eventually leads to blindness if left untreated. The current common methods of pre-diagnosis of Glaucoma include measurement of Intra-Ocular Pressure (IOP) using Tonometer, Pachymetry, Gonioscopy; which are performed manually by the clinicians. These tests are usually followed by Optic Nerve Head (ONH) Appearan ....etc

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