Adequate near and intermediate visual capacity is important in performing everyday tasks,especially after the introduction of smartphones and computers in our professional and recreational activities.Primary objective...Adequate near and intermediate visual capacity is important in performing everyday tasks,especially after the introduction of smartphones and computers in our professional and recreational activities.Primary objective of this study was to review all available reading tests both conventional and digital and explore their integrated characteristics.A systematic review of the recent literature regarding reading charts was performed based on the PubM ed,Google Scholar,and Springer databases between February and March 2021.Data from 11 descriptive and 24 comparative studies were included in the present systematic review.Clinical settings are still dominated by conventional printed reading charts;however,the most prevalent of them(i.e.,Jaeger type charts)are not validated.Reliable reading capacity assessment is done only by those that comply with the International Council of Ophthalmology(ICO)recommendations.Digital reading tests are gaining popularity both in clinical and research settings and are differentiated in standard computer-based applications that require installation either in a computer or a tablet(e.g.,Advanced VISION Test and web-based ones e.g.,Democritus Digital Acuity Reading Test requires no installation).It is evident that validated digital tests will prevail in future clinical or research settings and it is upon ophthalmologists to select the one most compatible with their examination routine.展开更多
Background:MNREAD is an advanced near-vision acuity chart that has already been translated and validated in Greek language.Considering that no validated Greek digital near-vision test exists,our primary objective was ...Background:MNREAD is an advanced near-vision acuity chart that has already been translated and validated in Greek language.Considering that no validated Greek digital near-vision test exists,our primary objective was to develop and validate a digital near-vision reading test based on the fundamental properties of the Greek printed MNREAD(MNREAD-GR).Methods:This is a prospective,comparative study.A digital near-vision chart was developed(Democritus Digital Acuity Reading Test-DDART)with text size calibration,audio recording for automatic reading timing,as well as automatic calculation of reading acuity(RA),maximum reading speed(MRS),critical print size(CPS)and reading accessibility index(ACC).Normal and low vision subjects participated in the validation process,responding to MNREAD-GR and DDART at the same day,at a 40 cm viewing distance.Differences in all parameters between the charts were compared with t-test and intraclass correlation coefficients(ICCs).Within 15 days,all participants responded again to DDART in a different set of sentences to assess its test-retest reliability.Results:One hundred patients(normal vision group-NVG:70 patients;low vision group-LVG:30 patients)responded to both reading tests.Non-significant differences were detected for all parameters between DDART and MNREAD-GR except for MRS and ACC that were significantly higher in MNREAD-GR in NVG(p<0.01).NVG participants demonstrated sufficient ICCs that ranged from 0.854 to 0.963,while LVG demonstrated ICCs for RA,ACC,MRS and CPS equal to 0.986,0.894,0.794 and 0.723,respectively.All parameters calculated with DDART demonstrated excellent test-retest reliability(ICCs:0.903-0.956).Conclusions:The proposed reading test presented comparable validity and repeatability to MNREAD-GR suggesting that it can be used both in normal and low vision Greek patients.展开更多
文摘Adequate near and intermediate visual capacity is important in performing everyday tasks,especially after the introduction of smartphones and computers in our professional and recreational activities.Primary objective of this study was to review all available reading tests both conventional and digital and explore their integrated characteristics.A systematic review of the recent literature regarding reading charts was performed based on the PubM ed,Google Scholar,and Springer databases between February and March 2021.Data from 11 descriptive and 24 comparative studies were included in the present systematic review.Clinical settings are still dominated by conventional printed reading charts;however,the most prevalent of them(i.e.,Jaeger type charts)are not validated.Reliable reading capacity assessment is done only by those that comply with the International Council of Ophthalmology(ICO)recommendations.Digital reading tests are gaining popularity both in clinical and research settings and are differentiated in standard computer-based applications that require installation either in a computer or a tablet(e.g.,Advanced VISION Test and web-based ones e.g.,Democritus Digital Acuity Reading Test requires no installation).It is evident that validated digital tests will prevail in future clinical or research settings and it is upon ophthalmologists to select the one most compatible with their examination routine.
文摘Background:MNREAD is an advanced near-vision acuity chart that has already been translated and validated in Greek language.Considering that no validated Greek digital near-vision test exists,our primary objective was to develop and validate a digital near-vision reading test based on the fundamental properties of the Greek printed MNREAD(MNREAD-GR).Methods:This is a prospective,comparative study.A digital near-vision chart was developed(Democritus Digital Acuity Reading Test-DDART)with text size calibration,audio recording for automatic reading timing,as well as automatic calculation of reading acuity(RA),maximum reading speed(MRS),critical print size(CPS)and reading accessibility index(ACC).Normal and low vision subjects participated in the validation process,responding to MNREAD-GR and DDART at the same day,at a 40 cm viewing distance.Differences in all parameters between the charts were compared with t-test and intraclass correlation coefficients(ICCs).Within 15 days,all participants responded again to DDART in a different set of sentences to assess its test-retest reliability.Results:One hundred patients(normal vision group-NVG:70 patients;low vision group-LVG:30 patients)responded to both reading tests.Non-significant differences were detected for all parameters between DDART and MNREAD-GR except for MRS and ACC that were significantly higher in MNREAD-GR in NVG(p<0.01).NVG participants demonstrated sufficient ICCs that ranged from 0.854 to 0.963,while LVG demonstrated ICCs for RA,ACC,MRS and CPS equal to 0.986,0.894,0.794 and 0.723,respectively.All parameters calculated with DDART demonstrated excellent test-retest reliability(ICCs:0.903-0.956).Conclusions:The proposed reading test presented comparable validity and repeatability to MNREAD-GR suggesting that it can be used both in normal and low vision Greek patients.
