NORD: Horner's Syndrome Offer the synonyms, a general discussion and further resources. http://www.rarediseases.org/search/rdbdetail_abstract.html?disname=Horner%27s%20Syndrome
Ocular Effects of Apraclonidine in Horner Syndrome From the Department of Ophthalmology and Visual Sciences, Texas the methods, results and conclusions of this study. http://archopht.ama-assn.org/issues/v118n7/abs/ecs90240.html