Accuracy of visual assessment by school teachers in school eye screening program in Delhi

Background: Although school eye screening is a major activity of the National Program for Control of Blindness, inadequate evidence exists about accuracy of school teachers in screening. Objectives: Compare quality of referral for subnormal vision by school teachers and primary eye care workers (PEC...

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Main Authors: Rohit Saxena, Praveen Vashist, Radhika Tandon, Ravindra Mohan Pandey, Amit Bhardawaj, Vimala Menon
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2015-01-01
Series:Indian Journal of Community Medicine
Subjects:
Online Access:http://www.ijcm.org.in/article.asp?issn=0970-0218;year=2015;volume=40;issue=1;spage=38;epage=42;aulast=Saxena
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author Rohit Saxena
Praveen Vashist
Radhika Tandon
Ravindra Mohan Pandey
Amit Bhardawaj
Vimala Menon
author_facet Rohit Saxena
Praveen Vashist
Radhika Tandon
Ravindra Mohan Pandey
Amit Bhardawaj
Vimala Menon
author_sort Rohit Saxena
collection DOAJ
description Background: Although school eye screening is a major activity of the National Program for Control of Blindness, inadequate evidence exists about accuracy of school teachers in screening. Objectives: Compare quality of referral for subnormal vision by school teachers and primary eye care workers (PECW) in school children and to establish appropriate cutoff for identification of subnormal vision in school going children. Materials and Methods: This was a cross-sectional study involving school children studying in classes 1 to 9 in different schools of Delhi evaluated for sub-normal vision. Vision was recorded by the teacher and a primary eye care worker especially trained for the study using the optotypes of Early treatment Diabetic Retinopathy Survey (ETDRS) vision chart with standard lighting. Results: The total number of children enlisted in the 20 selected schools was 10,114. Of these, 9838 (97.3%) children were examined in the study. The mean age of children enrolled in the study was 11.6 ± 2.19 years with 6752 (66.9%) males. The sensitivity and specificity of teachers in comparison to PECW using 6/9.5 vision level as cutoff for referral was 79.2% and 93.3%, respectively compared to 77.0% and 97.1%, respectively on using the 6/12 optotype. The results showed significantly higher sensitivity and lower specificity for private schools against government schools and for older against younger children. Conclusions: Our results show that the use of teachers and shift to use of the 6/12 sized "E" for the school eye screening (SES) program is appropriate and would substantially reduce the work of eye care providers while improving its overall efficiency.
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spelling doaj.art-9821ccadc9e74c08bd87af1319a67b632022-12-22T03:37:22ZengWolters Kluwer Medknow PublicationsIndian Journal of Community Medicine0970-02181998-35812015-01-01401384210.4103/0970-0218.149269Accuracy of visual assessment by school teachers in school eye screening program in DelhiRohit SaxenaPraveen VashistRadhika TandonRavindra Mohan PandeyAmit BhardawajVimala MenonBackground: Although school eye screening is a major activity of the National Program for Control of Blindness, inadequate evidence exists about accuracy of school teachers in screening. Objectives: Compare quality of referral for subnormal vision by school teachers and primary eye care workers (PECW) in school children and to establish appropriate cutoff for identification of subnormal vision in school going children. Materials and Methods: This was a cross-sectional study involving school children studying in classes 1 to 9 in different schools of Delhi evaluated for sub-normal vision. Vision was recorded by the teacher and a primary eye care worker especially trained for the study using the optotypes of Early treatment Diabetic Retinopathy Survey (ETDRS) vision chart with standard lighting. Results: The total number of children enlisted in the 20 selected schools was 10,114. Of these, 9838 (97.3%) children were examined in the study. The mean age of children enrolled in the study was 11.6 ± 2.19 years with 6752 (66.9%) males. The sensitivity and specificity of teachers in comparison to PECW using 6/9.5 vision level as cutoff for referral was 79.2% and 93.3%, respectively compared to 77.0% and 97.1%, respectively on using the 6/12 optotype. The results showed significantly higher sensitivity and lower specificity for private schools against government schools and for older against younger children. Conclusions: Our results show that the use of teachers and shift to use of the 6/12 sized "E" for the school eye screening (SES) program is appropriate and would substantially reduce the work of eye care providers while improving its overall efficiency.http://www.ijcm.org.in/article.asp?issn=0970-0218;year=2015;volume=40;issue=1;spage=38;epage=42;aulast=SaxenaAccuracynational program for control of blindnessrefractive errorsschool eye screeningsensitivity and specificity
spellingShingle Rohit Saxena
Praveen Vashist
Radhika Tandon
Ravindra Mohan Pandey
Amit Bhardawaj
Vimala Menon
Accuracy of visual assessment by school teachers in school eye screening program in Delhi
Indian Journal of Community Medicine
Accuracy
national program for control of blindness
refractive errors
school eye screening
sensitivity and specificity
title Accuracy of visual assessment by school teachers in school eye screening program in Delhi
title_full Accuracy of visual assessment by school teachers in school eye screening program in Delhi
title_fullStr Accuracy of visual assessment by school teachers in school eye screening program in Delhi
title_full_unstemmed Accuracy of visual assessment by school teachers in school eye screening program in Delhi
title_short Accuracy of visual assessment by school teachers in school eye screening program in Delhi
title_sort accuracy of visual assessment by school teachers in school eye screening program in delhi
topic Accuracy
national program for control of blindness
refractive errors
school eye screening
sensitivity and specificity
url http://www.ijcm.org.in/article.asp?issn=0970-0218;year=2015;volume=40;issue=1;spage=38;epage=42;aulast=Saxena
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