Sii, Freda Reduction of anterior-segment vascularity with preoperative topical apraclonidine 1%. [electronic resource] - Journal of cataract and refractive surgery Apr 2006 - 692-3 p. digital Publication Type: Letter ISSN: 0886-3350 Standard No.: 10.1016/j.jcrs.2006.01.044 doi Subjects--Topical Terms: Administration, TopicalAdrenergic alpha-Agonists--administration & dosageAnterior Eye Segment--blood supplyCataract ExtractionCiliary Arteries--drug effectsClonidine--administration & dosageGlaucoma--surgeryHumansOphthalmic Solutions--administration & dosagePreoperative Care--methodsRegional Blood Flow--drug effectsVasoconstriction--drug effects