Virtually controlled computerised visual acuity screening in a multilingual Indian population

O. K. Sreelatha, S. V. Ramesh, J. Jose, M. Devassy, K. Srinivasan

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Introduction: The efficacy of tele-based (virtually monitored) visual acuity (VA) examination in a hospital-based multilingual population was assessed based on subjects from the Outpatient Department of Optometry, School of Allied Health Sciences, Manipal University and Department of Ophthalmology, Kasturba Medical College, Manipal, India. Methods: Visual acuity measurement using a computerized VA chart (COMPlog) was done using a telemethod and face-to-face method in a randomized fashion for all subjects. Virtual (remotely operated) control of examination procedure and videoconferencing helped the optometrist positioned elsewhere (different physical location) to remotely operate the COMPlog VA chart and also interact with the subjects. The connection was facilitated using Lync software connected through local area network connections. During tele-examination, instructions were given on subject's language preference (Kannada, Malayalam or English). Results: Mean age of 96 subjects (three language groups) was 40.3±14.1 years and a Bland-Altman plot showed good agreement with clinically acceptable limits of agreement. The mean difference in VA between the telemethod and face-to-face method was 0.00 logMAR (±0.16), p=0.844. Two methods had good intra-class correlation (0.912, 95% confidence interval 0.868-0.941) and had good agreement across the language groups (kappa>0.7). Conclusions: Visual acuity measurements using the telemethod along with native dialect was comparable to conventional face-toface method in a hospital-based multilingual population. Digital VA testing systems along with communication in native dialect can be effectively integrated into a tele-eyecare model.

Original languageEnglish
Article number2908
JournalRural and Remote Health
Volume14
Issue number3
Publication statusPublished - 01-01-2014

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Visual Acuity
language group
Population
dialect
examination
Language
health science
Local Area Networks
Optometry
Videoconferencing
School Health Services
confidence
Ophthalmology
India
instruction
communication
Outpatients
Software
Communication
language

All Science Journal Classification (ASJC) codes

  • Emergency Medical Services
  • Health(social science)
  • Medicine (miscellaneous)
  • Public Health, Environmental and Occupational Health

Cite this

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abstract = "Introduction: The efficacy of tele-based (virtually monitored) visual acuity (VA) examination in a hospital-based multilingual population was assessed based on subjects from the Outpatient Department of Optometry, School of Allied Health Sciences, Manipal University and Department of Ophthalmology, Kasturba Medical College, Manipal, India. Methods: Visual acuity measurement using a computerized VA chart (COMPlog) was done using a telemethod and face-to-face method in a randomized fashion for all subjects. Virtual (remotely operated) control of examination procedure and videoconferencing helped the optometrist positioned elsewhere (different physical location) to remotely operate the COMPlog VA chart and also interact with the subjects. The connection was facilitated using Lync software connected through local area network connections. During tele-examination, instructions were given on subject's language preference (Kannada, Malayalam or English). Results: Mean age of 96 subjects (three language groups) was 40.3±14.1 years and a Bland-Altman plot showed good agreement with clinically acceptable limits of agreement. The mean difference in VA between the telemethod and face-to-face method was 0.00 logMAR (±0.16), p=0.844. Two methods had good intra-class correlation (0.912, 95{\%} confidence interval 0.868-0.941) and had good agreement across the language groups (kappa>0.7). Conclusions: Visual acuity measurements using the telemethod along with native dialect was comparable to conventional face-toface method in a hospital-based multilingual population. Digital VA testing systems along with communication in native dialect can be effectively integrated into a tele-eyecare model.",
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Virtually controlled computerised visual acuity screening in a multilingual Indian population. / Sreelatha, O. K.; Ramesh, S. V.; Jose, J.; Devassy, M.; Srinivasan, K.

In: Rural and Remote Health, Vol. 14, No. 3, 2908, 01.01.2014.

Research output: Contribution to journalArticle

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AU - Srinivasan, K.

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N2 - Introduction: The efficacy of tele-based (virtually monitored) visual acuity (VA) examination in a hospital-based multilingual population was assessed based on subjects from the Outpatient Department of Optometry, School of Allied Health Sciences, Manipal University and Department of Ophthalmology, Kasturba Medical College, Manipal, India. Methods: Visual acuity measurement using a computerized VA chart (COMPlog) was done using a telemethod and face-to-face method in a randomized fashion for all subjects. Virtual (remotely operated) control of examination procedure and videoconferencing helped the optometrist positioned elsewhere (different physical location) to remotely operate the COMPlog VA chart and also interact with the subjects. The connection was facilitated using Lync software connected through local area network connections. During tele-examination, instructions were given on subject's language preference (Kannada, Malayalam or English). Results: Mean age of 96 subjects (three language groups) was 40.3±14.1 years and a Bland-Altman plot showed good agreement with clinically acceptable limits of agreement. The mean difference in VA between the telemethod and face-to-face method was 0.00 logMAR (±0.16), p=0.844. Two methods had good intra-class correlation (0.912, 95% confidence interval 0.868-0.941) and had good agreement across the language groups (kappa>0.7). Conclusions: Visual acuity measurements using the telemethod along with native dialect was comparable to conventional face-toface method in a hospital-based multilingual population. Digital VA testing systems along with communication in native dialect can be effectively integrated into a tele-eyecare model.

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