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Automatic differentiation of Glaucoma visual field from non-glaucoma visual filed using deep convolutional neural network.


ABSTRACT:

Background

To develop a deep neural network able to differentiate glaucoma from non-glaucoma visual fields based on visual filed (VF) test results, we collected VF tests from 3 different ophthalmic centers in mainland China.

Methods

Visual fields obtained by both Humphrey 30-2 and 24-2 tests were collected. Reliability criteria were established as fixation losses less than 2/13, false positive and false negative rates of less than 15%.

Results

We split a total of 4012 PD images from 1352 patients into two sets, 3712 for training and another 300 for validation. There is no significant difference between left to right ratio (P?=?0.6211), while age (P?=?0.0022), VFI (P?=?0.0001), MD (P?=?0.0039) and PSD (P?=?0.0001) exhibited obvious statistical differences. On the validation set of 300 VFs, CNN achieves the accuracy of 0.876, while the specificity and sensitivity are 0.826 and 0.932, respectively. For ophthalmologists, the average accuracies are 0.607, 0.585 and 0.626 for resident ophthalmologists, attending ophthalmologists and glaucoma experts, respectively. AGIS and GSS2 achieved accuracy of 0.459 and 0.523 respectively. Three traditional machine learning algorithms, namely support vector machine (SVM), random forest (RF), and k-nearest neighbor (k-NN) were also implemented and evaluated in the experiments, which achieved accuracy of 0.670, 0.644, and 0.591 respectively.

Conclusions

Our algorithm based on CNN has achieved higher accuracy compared to human ophthalmologists and traditional rules (AGIS and GSS2) in differentiation of glaucoma and non-glaucoma VFs.

SUBMITTER: Li F 

PROVIDER: S-EPMC6172715 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Publications

Automatic differentiation of Glaucoma visual field from non-glaucoma visual filed using deep convolutional neural network.

Li Fei F   Wang Zhe Z   Qu Guoxiang G   Song Diping D   Yuan Ye Y   Xu Yang Y   Gao Kai K   Luo Guangwei G   Xiao Zegu Z   Lam Dennis S C DSC   Zhong Hua H   Qiao Yu Y   Zhang Xiulan X  

BMC medical imaging 20181004 1


<h4>Background</h4>To develop a deep neural network able to differentiate glaucoma from non-glaucoma visual fields based on visual filed (VF) test results, we collected VF tests from 3 different ophthalmic centers in mainland China.<h4>Methods</h4>Visual fields obtained by both Humphrey 30-2 and 24-2 tests were collected. Reliability criteria were established as fixation losses less than 2/13, false positive and false negative rates of less than 15%.<h4>Results</h4>We split a total of 4012 PD im  ...[more]

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