Study observation:Find:Pt:Optic lens.left:Nom:Slit lamp biomicroscopy
study observation:find:pt:optic lens.left:nom:slit lamp biomicroscopy
Study observation:Finding:To identify measures at a point in time:Optic lens.left:Nominal:Slit lamp biomicroscopy
study observation:finding:to identify measures at a point in time:optic lens.left:nominal:slit lamp biomicroscopy