COMPARISON BETWEEN CONTRAST SENSITIVITY AND VISUAL ACUITY VALUES IN EMMETROPIA AND AMMETROPIA

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HERAVIAN SHANDIZ J.; AZIMI KHORASANI A.; OSTADI MUGHADDAM H.; SEATAYESH Y.; SALEHI FADARDI M.; PIROOZIAN N.; NASIRI ASHRAF

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Journal: Journal of Sabzevar University of Medical Sciences Year:2004 | Volume:11 | Issue:2 (32) Page(s): 29-35

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Title

COMPARISON BETWEEN CONTRAST SENSITIVITY AND VISUAL ACUITY VALUES IN EMMETROPIA AND AMMETROPIA

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Keywords

CONTRAST SENSITIVITYQ4

VISUAL ACUITYQ4

AMMETROPIAQ4

EMMETROPIAQ4

Abstract

This study is conducted to compare CONTRAST SENSITIVITY and VISUAL ACUITY values in EMMETROPIA and AMMETROPIA conditions. 30 subjects (60 eyes) with the age range of 19 to 29 years were examined with Pelli-Robson CONTRAST SENSITIVITY and E-Snellen VISUAL ACUITY tests. Monocular and binocular CONTRAST SENSITIVITY and E-Snellen VISUAL ACUITY were measured with best correction and different defocus levels of +1.00 and +2.00. The findings revealed a significant relationship between the two charts in EMMETROPIA (P=0.0001). Also, in AMMETROPIA both CONTRAST SENSITIVITY and VISUAL ACUITY showed reduction with +1.00 defocus lens, but more reduction for CONTRAST SENSITIVITY with +2.00 defocus lens (P=0.0001). It is concluded that CONTRAST SENSITIVITY can provide complete and accurate information about visual performance in comparison with VISUAL ACUITY test.

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APA: Copy

HERAVIAN SHANDIZ, J., AZIMI KHORASANI, A., OSTADI MUGHADDAM, H., SEATAYESH, Y., SALEHI FADARDI, M., PIROOZIAN, N., & NASIRI, ASHRAF. (2004). COMPARISON BETWEEN CONTRAST SENSITIVITY AND VISUAL ACUITY VALUES IN EMMETROPIA AND AMMETROPIA. JOURNAL OF SABZEVAR UNIVERSITY OF MEDICAL SCIENCES, 11(2 (32)), 29-35. SID. https://sid.ir/paper/82324/en

Vancouver: Copy

HERAVIAN SHANDIZ J., AZIMI KHORASANI A., OSTADI MUGHADDAM H., SEATAYESH Y., SALEHI FADARDI M., PIROOZIAN N., NASIRI ASHRAF. COMPARISON BETWEEN CONTRAST SENSITIVITY AND VISUAL ACUITY VALUES IN EMMETROPIA AND AMMETROPIA. JOURNAL OF SABZEVAR UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2004;11(2 (32)):29-35. Available from: https://sid.ir/paper/82324/en

IEEE: Copy

J. HERAVIAN SHANDIZ, A. AZIMI KHORASANI, H. OSTADI MUGHADDAM, Y. SEATAYESH, M. SALEHI FADARDI, N. PIROOZIAN, and ASHRAF NASIRI, “COMPARISON BETWEEN CONTRAST SENSITIVITY AND VISUAL ACUITY VALUES IN EMMETROPIA AND AMMETROPIA,” JOURNAL OF SABZEVAR UNIVERSITY OF MEDICAL SCIENCES, vol. 11, no. 2 (32), pp. 29–35, 2004, [Online]. Available: https://sid.ir/paper/82324/en

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