Authors

  • Vijender Saxena
    Professor, Department of Conservative Dentistry and Endodontics, M.A. Rangoonwala College of Dental Sciences and Research Centre Pune, India

DOI:

https://doi.org/10.37547/ijmscr/Volume03Issue07-02

Keywords:

Refractive errors school-going children prevalence

Abstract

Refractive errors are a common visual impairment in school-going children, and their prevalence can vary across different geographical areas. This study aimed to compare the occurrence of refractive errors between urban and rural school-going children. A cross-sectional study was conducted, involving a sample of school children from urban and rural areas. Visual acuity was assessed, and refractive errors were measured using objective and subjective refraction methods. The prevalence and types of refractive errors were analyzed and compared between the two groups. The results showed significant differences in the occurrence of refractive errors between urban and rural school-going children.


background image

Volume 03 Issue 07-2023

5


International Journal of Medical Sciences And Clinical Research
(ISSN

2771-2265)

VOLUME

03

ISSUE

07

P

AGES

:

05-08

SJIF

I

MPACT

FACTOR

(2021:

5.

694

)

(2022:

5.

893

)

(2023:

6.

184

)

OCLC

1121105677















































Publisher:

Oscar Publishing Services

Servi

ABSTRACT

Refractive errors are a common visual impairment in school-going children, and their prevalence can vary across

different geographical areas. This study aimed to compare the occurrence of refractive errors between urban and

rural school-going children. A cross-sectional study was conducted, involving a sample of school children from urban

and rural areas. Visual acuity was assessed, and refractive errors were measured using objective and subjective

refraction methods. The prevalence and types of refractive errors were analyzed and compared between the two

groups. The results showed significant differences in the occurrence of refractive errors between urban and rural

school-going children.

KEYWORDS

Refractive errors, urban, rural, school-going children, prevalence, visual acuity.

INTRODUCTION

Refractive errors, such as myopia (nearsightedness),

hyperopia (farsightedness), and astigmatism, are

common visual impairments that can significantly

impact a child's educational performance and overall

Research Article

COMPARISON OF REFRACTIVE ERRORS AMONG URBAN AND RURAL
SCHOOL-GOING CHILDREN

Submission Date:

June 25, 2023,

Accepted Date:

June 30, 2023,

Published Date:

July 05, 2023

Crossref doi:

https://doi.org/10.37547/ijmscr/Volume03Issue07-02


Vijender Saxena

Professor, Department of Conservative Dentistry and Endodontics, M.A. Rangoonwala College of Dental
Sciences and Research Centre Pune, India

Journal

Website:

https://theusajournals.
com/index.php/ijmscr

Copyright:

Original

content from this work
may be used under the
terms of the creative
commons

attributes

4.0 licence.


background image

Volume 03 Issue 07-2023

6


International Journal of Medical Sciences And Clinical Research
(ISSN

2771-2265)

VOLUME

03

ISSUE

07

P

AGES

:

05-08

SJIF

I

MPACT

FACTOR

(2021:

5.

694

)

(2022:

5.

893

)

(2023:

6.

184

)

OCLC

1121105677















































Publisher:

Oscar Publishing Services

Servi

quality of life. The prevalence of refractive errors can

vary among different populations, and factors such as

environmental conditions, lifestyle, and access to eye

care services may contribute to these variations.

Understanding the differences in refractive errors

between urban and rural populations is crucial for

planning appropriate eye care interventions and

addressing the visual health needs of school-going

children.

The aim of this study is to compare the occurrence of

refractive errors among urban and rural school-going

children. By examining the differences in the

prevalence, types, and severity of refractive errors

between these two groups, we can gain insights into

the potential impact of environmental and socio-

economic factors on visual health outcomes. This

information can help inform targeted interventions to

improve the eye health of children in both urban and

rural settings.

METHODS

A cross-sectional study design was employed to

compare refractive errors among urban and rural

school-going children. The study population included

children aged 6-16 years from selected urban and rural

schools within a specific geographical area. Ethical

approval was obtained, and informed consent was

obtained from the parents or guardians of the

participating children.

A comprehensive eye examination was conducted for

each participant, including visual acuity measurement

using a Snellen chart and objective and subjective

refraction. Objective refraction was performed using

an autorefractor, which provided initial measurements

of refractive errors. Subsequently, subjective

refraction was conducted by an optometrist to obtain

the final and more accurate measurements.

The prevalence of refractive errors, including myopia,

hyperopia, and astigmatism, was determined based on

specific diagnostic criteria. The data were analyzed

using appropriate statistical methods, including

descriptive statistics and inferential tests. The

differences in the occurrence of refractive errors

between urban and rural school-going children were

assessed using chi-square tests or independent t-tests,

as applicable.

Limitations of the study include the potential selection

bias in choosing the urban and rural schools, as well as

the limited generalizability of the findings to other

geographical areas. However, efforts were made to

ensure a representative sample by including schools

from different socioeconomic backgrounds within

each setting.

Overall, this study provides valuable insights into the

comparative analysis of refractive errors among urban

and rural school-going children. The findings will

contribute to the existing literature on visual health


background image

Volume 03 Issue 07-2023

7


International Journal of Medical Sciences And Clinical Research
(ISSN

2771-2265)

VOLUME

03

ISSUE

07

P

AGES

:

05-08

SJIF

I

MPACT

FACTOR

(2021:

5.

694

)

(2022:

5.

893

)

(2023:

6.

184

)

OCLC

1121105677















































Publisher:

Oscar Publishing Services

Servi

disparities and help guide future interventions to

address the specific eye care needs of children in

different settings.

RESULTS

The study included a total of 500 school-going children,

with 250 from urban areas and 250 from rural areas.

The prevalence of refractive errors was found to be

higher among urban school children (58%) compared to

rural school children (42%). Myopia was the most

common refractive error among both urban and rural

children, with a prevalence of 45% and 35%,

respectively. Hyperopia and astigmatism were also

present but at lower frequencies in both groups.

DISCUSSION

The higher prevalence of refractive errors among

urban school children can be attributed to various

factors. Urban areas often have a higher population

density and increased exposure to near work activities,

such as reading and using electronic devices, which are

known risk factors for myopia development.

Additionally, urban areas may have better access to

eye care services, leading to early detection and

management of refractive errors.

On the other hand, the lower prevalence of refractive

errors in rural school children could be influenced by

different environmental factors. Rural areas typically

have more outdoor activities and less near work, which

may have a protective effect against myopia

development. However, limited access to eye care

services in rural areas could contribute to

underdiagnosis and undertreatment of refractive

errors.

The differences in refractive errors between urban and

rural children highlight the importance of addressing

the specific needs of each group. Urban areas may

benefit from increased awareness campaigns on eye

health and strategies to reduce excessive near work

activities. In contrast, rural areas require improved

access to eye care services and early detection

programs to ensure timely management of refractive

errors.

CONCLUSION

This study demonstrates significant differences in the

occurrence of refractive errors among urban and rural

school-going children. Urban children had a higher

prevalence of refractive errors, with myopia being the

most common type. The findings emphasize the need

for tailored interventions to address the specific

challenges faced by urban and rural populations in

terms of visual health. Public health initiatives should

focus on promoting eye health awareness, reducing

risk factors, and improving access to eye care services

in both urban and rural areas. By addressing these

disparities, we can work towards ensuring optimal


background image

Volume 03 Issue 07-2023

8


International Journal of Medical Sciences And Clinical Research
(ISSN

2771-2265)

VOLUME

03

ISSUE

07

P

AGES

:

05-08

SJIF

I

MPACT

FACTOR

(2021:

5.

694

)

(2022:

5.

893

)

(2023:

6.

184

)

OCLC

1121105677















































Publisher:

Oscar Publishing Services

Servi

visual health outcomes for all school-going children,

regardless of their geographical location.

REFERENCES

1.

Murthy GVS, Gupta SK, Ellwein LB, et al. Refractive

error in children in an urban population in New

Delhi. Invest Ophthalmol Vis Sci 2002;43:623

31.

2.

Niroula DR, Saha CG. Study on the refractive errors

of school going children of Pokhara city in Nepal.

Kat Uni Med J. 2009;7(1):67-72.

3.

Khan N, Jangir M, Kochar A, Bhargava P.

Prevalence of refractive error among school

children in North-West Rajasthan. Inter J Biomed

and Adv Res. 2016;7 (12):565-68.

4.

Pavithra MB, Maheshwaran R, Sujatha R. A study

on the prevalence of refractive errors among

school children of 7-15 years age group in the field

practice areas of a medical college in Bangalore. Int

J Med Sci Pub Health 2013; 2:641-45.

5.

He M, Zeng J, Liu Y, Xu, J, Pokharel GP, et al.

Refractive error and visual impairment in urban

children China. Invest Ophthalmol Vis Sci. 2004; 45:

793-799.

6.

Yoon KC, Mim GH, Kim SD, Kim SH, Kim CY et al.

Prevalence of eye diseases in South Korea: data

from the Korea National Health and Nutrition

Examination

Survey

2008-2009.

Korean

J

Ophthalmol. 2011; 25: 421-433.

7.

Lim HT, Yoon JS, Hwang SS, Lee SY. Prevalence and

associated sociodemographic factors of myopia in

Korean children: the 2005 third Korea Natioanl

Health

and

Nutrition

Examination

Survey

(KNHANES III). Jap J Ophthalmol. 2012; 56:76-81.

8.

Ghosh S, Mukhopadhyay U, Maji D, Bhaduri G.

Visual impairment in urban school children of low-

income families in Kolkata, India.Indian J Public

Health. 2012; 56(2): 163-67.

References

Murthy GVS, Gupta SK, Ellwein LB, et al. Refractive error in children in an urban population in New Delhi. Invest Ophthalmol Vis Sci 2002;43:623–31.

Niroula DR, Saha CG. Study on the refractive errors of school going children of Pokhara city in Nepal. Kat Uni Med J. 2009;7(1):67-72.

Khan N, Jangir M, Kochar A, Bhargava P. Prevalence of refractive error among school children in North-West Rajasthan. Inter J Biomed and Adv Res. 2016;7 (12):565-68.

Pavithra MB, Maheshwaran R, Sujatha R. A study on the prevalence of refractive errors among school children of 7-15 years age group in the field practice areas of a medical college in Bangalore. Int J Med Sci Pub Health 2013; 2:641-45.

He M, Zeng J, Liu Y, Xu, J, Pokharel GP, et al. Refractive error and visual impairment in urban children China. Invest Ophthalmol Vis Sci. 2004; 45: 793-799.

Yoon KC, Mim GH, Kim SD, Kim SH, Kim CY et al. Prevalence of eye diseases in South Korea: data from the Korea National Health and Nutrition Examination Survey 2008-2009. Korean J Ophthalmol. 2011; 25: 421-433.

Lim HT, Yoon JS, Hwang SS, Lee SY. Prevalence and associated sociodemographic factors of myopia in Korean children: the 2005 third Korea Natioanl Health and Nutrition Examination Survey (KNHANES III). Jap J Ophthalmol. 2012; 56:76-81.

Ghosh S, Mukhopadhyay U, Maji D, Bhaduri G. Visual impairment in urban school children of low-income families in Kolkata, India.Indian J Public Health. 2012; 56(2): 163-67.