1. Sensitivity and Specificity of New Visual Field Screening Software for Diagnosing Hemianopia
- Author
-
Thanapong Somkijrungroj, Patcharaporn Jaru-ampornpan, Visanee Tantisevi, Parima Hirunwiwatkul, Anita Manassakorn, Prin Rojanapongpun, Supharat Jariyakosol, and Rath Itthipanichpong
- Subjects
hemianopia ,visual field ,medicine.medical_specialty ,business.industry ,Automated perimetry ,Validity ,Sensory Systems ,Visual field ,Cellular and Molecular Neuroscience ,Ophthalmology ,Cohen's kappa ,Meridian (perimetry, visual field) ,Software ,Eye and Brain ,Personal computer ,medicine ,business ,screening software ,Sensitivity (electronics) ,Original Research - Abstract
Supharat Jariyakosol,1,2,* Patcharaporn Jaru-ampornpan,1,2,* Anita Manassakorn,1,2 Rath Itthipanichpong,1,2 Parima Hirunwiwatkul,1,2 Visanee Tantisevi,1,2 Thanapong Somkijrungroj,1,2 Prin Rojanapongpun1,2 1Department of Ophthalmology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand; 2Ophthalmology Department, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand*These authors contributed equally to this workCorrespondence: Supharat Jariyakosol Email jsupharat@gmail.comPurpose: To assess the diagnostic accuracy of visual field results generated by the newly developed software (CU-VF) and the standard automated perimetry (SAP) for detecting hemianopia.Patients and Methods: Forty-three subjects with hemianopia and 33 controls were tested with the CU-VF software on a personal computer and SAP. Hemianopia was defined as the presence of a hemianopic field respecting the vertical meridian on SAP with the corresponding neuroimaging pathology as evaluated by 2 neuro-ophthalmologists. Results of CU-VF were independently evaluated by 2 neuro-ophthalmologists, 1 general ophthalmologist, and 1 general practitioner in terms of the presence of hemianopia. Sensitivity, specificity, and kappa coefficient for inter-observer reliability were calculated. Satisfaction and ease of use were evaluated with a visual analog-scale questionnaire and analyzed using paired t-test.Results: The sensitivity (95% CI) and specificity (95% CI) of the CU-VF to detect hemianopia was 74.42% (58.53â 85.96) and 93.94% (78.38â 99.94). Kappa coefficient between neuro-ophthalmologists versus general ophthalmologist and general practitioner were 0.71 and 0.84, respectively. The mean (SD) test duration was 2.25 (0.002) minutes for the CU-VF and 5.38 (1.34) minutes for SAP (p < 0.001). Subjects reported significantly higher satisfaction and comfort using the CU-VF software compared to SAP.Conclusion: The CU-VF screening software showed good validity and reliability to detect hemianopia, with shorter test duration and higher subject satisfaction compared to SAP.Keywords: hemianopia, visual field, screening software
- Published
- 2021