A clinical decision support system for contact lens evaluation

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FALAHATI MARVAST FATEMEH; ARABALIBEIK HOSSEIN; ALIPOUR FATEMEH; SHEIKHTAHERI ABBAS; NOURI LEILA

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Journal: TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ) Year:2019 | Volume:76 | Issue:12 Page(s): 799-803

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Title

A clinical decision support system for contact lens evaluation

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Keywords

clinical decision support systemQ1

contact lensesQ1

neural networksQ2

Abstract

Background: contact lenses are transparent, thin plastic disks that cover the surface of the cornea. Appropriate lens prescription should be performed properly by an expert to provide better visual acuity and reduce side effects. The lens administration is a multistage, complex and time-consuming process involving many considerations. The purpose of this study was to develop a decision support system in the field of contact lens prescription. Methods: In this fundamental study, data were collected from 127 keratoconus patients referred to the contact lens clinic at Farabi Eye Hospital, Tehran, Iran during the period of March 2013 to July 2014. Five parameters in the contact lens prescribing process were investigated. Parameters were collected as follows. “ Lens vertical position” , “ vertical movement of the lens during blinking” and “ width of the rim” in the fluorescein pattern were obtained by recording videos of the patients while wearing the lens. “ Fluorescein dye concentration” under the lens was evaluated by the physician and “ patient comfort” was obtained by asking the patient to fill a simple scoring system. Approved and disapproved lenses were judged and recorded based on the decision of an expert contact lens practitioner. The decision support system was designed using artificial neural networks with the mentioned variables as inputs. Approved and disapproved lenses are considered as system outputs. Artificial neural network was developed using MATLAB® software, version 8. 3 (Mathworks Inc., Natick, MA, USA). Eighty percent of the data was used to train the support vector machine and the rest of the data (20%) to test the system's performance. Results: Accuracy, sensitivity and specificity, calculated using the confusion matrix, were 91. 3%, 89. 8% and 92. 6% respectively. The results indicate that the designed decision support system could assist contact lens prescription with high precision. Conclusion: According to the results, we conclude that hard contact lens fitness could be evaluated properly using an artificial neural network as a decision support system. The proposed system detected approved and disapproved contact lenses with high accuracy.

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APA: Copy

FALAHATI MARVAST, FATEMEH, ARABALIBEIK, HOSSEIN, ALIPOUR, FATEMEH, SHEIKHTAHERI, ABBAS, & NOURI, LEILA. (2019). A clinical decision support system for contact lens evaluation. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 76(12 ), 799-803. SID. https://sid.ir/paper/378895/en

Vancouver: Copy

FALAHATI MARVAST FATEMEH, ARABALIBEIK HOSSEIN, ALIPOUR FATEMEH, SHEIKHTAHERI ABBAS, NOURI LEILA. A clinical decision support system for contact lens evaluation. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2019;76(12 ):799-803. Available from: https://sid.ir/paper/378895/en

IEEE: Copy

FATEMEH FALAHATI MARVAST, HOSSEIN ARABALIBEIK, FATEMEH ALIPOUR, ABBAS SHEIKHTAHERI, and LEILA NOURI, “A clinical decision support system for contact lens evaluation,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 76, no. 12 , pp. 799–803, 2019, [Online]. Available: https://sid.ir/paper/378895/en

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