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Tropicamide Versus Cyclopentolate For Cycloplegic Refraction in Pediatric Patients with Brown Irides: A Randomized Clinical Trial.
American Journal of Ophthalmology 2023 October 4
PURPOSE: To compare the final cycloplegic refraction of tropicamide 1% and cyclopentolate 1% in children 3 to 16 years of age with brown irides.
DESIGN: Randomized, controlled, multicenter prospective clinical trial.
METHODS: Included patients were randomized to either cyclopentolate 1% or tropicamide 1% in the first visit with autorefraction measurements. Each subject underwent a second cycloplegic refraction using the other agent on a separate visit with a minimum of one-week interval and a maximum of 12 weeks. We measured the change in SE (ΔSE) for each eye by deducting the SE before cycloplegia from the SE after cycloplegia RESULTS: : A total of 185 eyes from 94 children aged 3 to 16 years old (average= 8.79 ±3.11 years) were included. The average SE of both eyes before cycloplegia was -0.082±4.8 diopter. The SE after instillation of cyclopentolate and tropicamide in both eyes was 1.07±5.2 and 0.96±5.1 respectively (P-value= 0.000). The average ΔSE after cycloplegia was 1.15±1.2 for cyclopentolate and 1.04±1.2 for tropicamide (P-value= 0.000). The difference between ΔSE of cyclopentolate and tropicamide was found statistically significant at 0.11±1.2 (P-value= 0.000), however clinically insignificant. The ΔSE between the two drops before and after cycloplegia in both eyes for all refractive error groups was clinically insignificant. The greatest effect of cyclopentolate and tropicamide was in hyperopic eyes with ΔSE of 1.54±1.4 and 1.39±1.4 respectively.
CONCLUSIONS: Tropicamide might be an effective and safe replacement for cyclopentolate in refracting non-strabismic pediatric population 3 to 16 years of age regardless of their refractive error status.
DESIGN: Randomized, controlled, multicenter prospective clinical trial.
METHODS: Included patients were randomized to either cyclopentolate 1% or tropicamide 1% in the first visit with autorefraction measurements. Each subject underwent a second cycloplegic refraction using the other agent on a separate visit with a minimum of one-week interval and a maximum of 12 weeks. We measured the change in SE (ΔSE) for each eye by deducting the SE before cycloplegia from the SE after cycloplegia RESULTS: : A total of 185 eyes from 94 children aged 3 to 16 years old (average= 8.79 ±3.11 years) were included. The average SE of both eyes before cycloplegia was -0.082±4.8 diopter. The SE after instillation of cyclopentolate and tropicamide in both eyes was 1.07±5.2 and 0.96±5.1 respectively (P-value= 0.000). The average ΔSE after cycloplegia was 1.15±1.2 for cyclopentolate and 1.04±1.2 for tropicamide (P-value= 0.000). The difference between ΔSE of cyclopentolate and tropicamide was found statistically significant at 0.11±1.2 (P-value= 0.000), however clinically insignificant. The ΔSE between the two drops before and after cycloplegia in both eyes for all refractive error groups was clinically insignificant. The greatest effect of cyclopentolate and tropicamide was in hyperopic eyes with ΔSE of 1.54±1.4 and 1.39±1.4 respectively.
CONCLUSIONS: Tropicamide might be an effective and safe replacement for cyclopentolate in refracting non-strabismic pediatric population 3 to 16 years of age regardless of their refractive error status.
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