EFFECT OF CYCLOPLEGIA WITH CYCLOPENTOLATE 1% ON CORNEAL PARAMETER AND REFRACTIVE STATE OF THE EYE

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BAGHERI A.; FEIZI M.; SHAFIE A.A.; FARAMARZI A.; YASERI M.; BARADARAN RAFII G.

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Journal: BINA Year:2017 | Volume:22 | Issue:3 Page(s): 179-192

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Title

EFFECT OF CYCLOPLEGIA WITH CYCLOPENTOLATE 1% ON CORNEAL PARAMETER AND REFRACTIVE STATE OF THE EYE

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Keywords

CORNEAL CURVATUREQ3

CORNEAL THICKNESSQ3

CYCLOPLEGIAQ3

REFRACTIVE STATEQ3

Abstract

Purpose: To determine REFRACTIVE STATE and corneal parameter changes after CYCLOPLEGIA with cyclopentolate 1% using dual scheimpfluge imaging system.Methods: Healthy volunteers between the ages of 10 and 40 years who were referred for ophthalmic evaluation in a 3-month period were included. Complete ophthalmic examination, auto-refraction and corneal imaging with the Gallilei dual scheimpfluge system was performed before and after 30 minutes of applying 1% cyclopentolate. Changes in refractive and corneal parameters were evaluated.Results: One hundred and six patients with mean age of 28±5 years or 212 eyes (201 myopic and 11 hyperopic) were evaluated. The mean spherical equivalent before CYCLOPLEGIA was -3.4 ± 2.6 D (diopter), after CYCLOPLEGIA the mean hyperopic shift was 0.4±0.5 D (P<0.001). The astigmatism power change was not significant (P=0.8), but in 26.6% of 127 eyes, with more than 0.5D astigmatism, the axis changed more than 5 degrees after CYCLOPLEGIA. Anterior CORNEAL CURVATURE change was not statistically significant (p=0.5) but posterior CORNEAL CURVATURE change was statistically significant (P=0.001) and in the direction of hyperopic shift (diff=-0.02).Corneal thickness increased statistically and significantly in the central and para-central areas, respectively {(diff=3.2 micron (P<0.001) and 3.9 micron (P<0.001)}.Conclusion: The REFRACTIVE STATE, posterior CORNEAL CURVATURE and CORNEAL THICKNESS changed statistically and significantly after CYCLOPLEGIA, so it is recommended not to measure these parameters in cycloplegic state for clinical judgment, in IOL power calculation and refractive surgery.

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APA: Copy

BAGHERI, A., FEIZI, M., SHAFIE, A.A., FARAMARZI, A., YASERI, M., & BARADARAN RAFII, G.. (2017). EFFECT OF CYCLOPLEGIA WITH CYCLOPENTOLATE 1% ON CORNEAL PARAMETER AND REFRACTIVE STATE OF THE EYE. BINA, 22(3 ), 179-192. SID. https://sid.ir/paper/42636/en

Vancouver: Copy

BAGHERI A., FEIZI M., SHAFIE A.A., FARAMARZI A., YASERI M., BARADARAN RAFII G.. EFFECT OF CYCLOPLEGIA WITH CYCLOPENTOLATE 1% ON CORNEAL PARAMETER AND REFRACTIVE STATE OF THE EYE. BINA[Internet]. 2017;22(3 ):179-192. Available from: https://sid.ir/paper/42636/en

IEEE: Copy

A. BAGHERI, M. FEIZI, A.A. SHAFIE, A. FARAMARZI, M. YASERI, and G. BARADARAN RAFII, “EFFECT OF CYCLOPLEGIA WITH CYCLOPENTOLATE 1% ON CORNEAL PARAMETER AND REFRACTIVE STATE OF THE EYE,” BINA, vol. 22, no. 3 , pp. 179–192, 2017, [Online]. Available: https://sid.ir/paper/42636/en

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