mydriasis and cycloplegia were determined and compared with the results obtained by using one of the following : microdrops ( 0.005 or 0.01 ml ) of a mixture of 5 % phenylephrine hcl and 0.5 % tropicamide hcl , or regular drops of mixtures of 1 % phenylephrine hcl , or 0.4 % hydroxyamphetamine hydrobromide with 0.1 % cyclopentolate hcl , or 0.1 % tropicamide in a vehicle of 1.6 % or 1.0 % methylcellulose 400 , or artificial tears or lubricants ( absorbobase , contique , isopto tears , liquifilm , lyteers , ultra tears ) .
C0026961
mydriasis
C0031470
phenylephrine hcl