AGE AND GENDER SPECIFIC PREVALENCES OF REFRACTIVE ERRORS IN TEHRAN: THE TEHRAN EYE STUDY

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HASHEMI H.; FOTOUHI A.; MOHAMMAD K.

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Journal: JOURNAL OF CURRENT OPHTHALMOLOGY Year:2004 | Volume:16 | Issue:3 Page(s): 1-9

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Title

AGE AND GENDER SPECIFIC PREVALENCES OF REFRACTIVE ERRORS IN TEHRAN: THE TEHRAN EYE STUDY

Author(s)

HASHEMI H. | FOTOUHI A. | MOHAMMAD K. | Issue Writer Certificate

Keywords

REFRACTIVE ERRORSQ3

PREVALENCEQ4

CROSS-SECTIONAL STUDYQ4

TEHRANQ4

MYOPIAQ4

HYPEROPIAQ4

ASTIGMATISMQ4

Abstract

Aims: To determine the age and gender specific PREVALENCE of REFRACTIVE ERRORS in TEHRAN through a population-based study. Methods: A total of 6497 citizens representing a cross-section of the population of TEHRAN were sampled from 160 clusters using stratified, randomized, cluster sampling strategy. Eligible individuals were enumerated through a door-to-door household survey in the selected clusters and were invited to participate. All participants were transferred to a clinic for extensive eye examination and interview. Refractive error was determined using manifest and cycloplegic refraction. MYOPIA was defined as spherical equivalent of -0.5 diopters (D) or more and HYPEROPIA was defined the spherical equivalent of more than +0.5 D. Results: Of those sampled, 4565 (70.3%) people participated in the study. Refraction data for 4354 participants aged five years and over are presented. The age- and gender-standardized PREVALENCE of MYOPIA based on manifest refraction was 21.8% and that for HYPEROPIA was 26.0%. The PREVALENCE based on cycloplegic refraction were 17.2% and 56.6%, respectively. PREVALENCE of MYOPIA and HYPEROPIA differed significantly among age and gender groups (P<0.001). ASTIGMATISM of 0.75 cylinder diopter or greater was present in 29.6% with manifest refraction and in 30.3% with cycloplegic refraction. Among the study population, 6.1% had anisometropia of 1 D or more. Conclusion: This report has provided details of the refractive status in the population. We have documented PREVALENCE of MYOPIA, HYPEROPIA, ASTIGMATISM and anisometropia by age and gender, identifying more severely affected people for prevention programs in the community.

Cites

LEVEL OF VISUAL DISORDERS IN CLIENTS REFERRED TO MEDICAL EXEMPTION COMMISSION OF ALAVI HOSPITAL IN ARDABIL

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APA: Copy

HASHEMI, H., FOTOUHI, A., & MOHAMMAD, K.. (2004). AGE AND GENDER SPECIFIC PREVALENCES OF REFRACTIVE ERRORS IN TEHRAN: THE TEHRAN EYE STUDY. JOURNAL OF CURRENT OPHTHALMOLOGY, 16(3), 1-9. SID. https://sid.ir/paper/53140/en

Vancouver: Copy

HASHEMI H., FOTOUHI A., MOHAMMAD K.. AGE AND GENDER SPECIFIC PREVALENCES OF REFRACTIVE ERRORS IN TEHRAN: THE TEHRAN EYE STUDY. JOURNAL OF CURRENT OPHTHALMOLOGY[Internet]. 2004;16(3):1-9. Available from: https://sid.ir/paper/53140/en

IEEE: Copy

H. HASHEMI, A. FOTOUHI, and K. MOHAMMAD, “AGE AND GENDER SPECIFIC PREVALENCES OF REFRACTIVE ERRORS IN TEHRAN: THE TEHRAN EYE STUDY,” JOURNAL OF CURRENT OPHTHALMOLOGY, vol. 16, no. 3, pp. 1–9, 2004, [Online]. Available: https://sid.ir/paper/53140/en

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