Kate Coleman qualified in the Royal college of Surgeons in Ireland before training the the Royal Victoria Eye and Ear Hospital and attaining her FRCS(Ed) and FRCOphth. In March 1988 she presented a review on patients treated with Botulinum Toxin to the Royal Irish Academy of Medicine before developing techniques for facial balancing in the same patients. She was the first Orbital and Oculoplastic Fellow with the late Professor Leo Koorneef in the Academisch Medical Center in Amsterdam where she also had the privilege of working with Graves Ophthalmology expert, Marten Mourits. She defended her PhD in choroidal melanoma at the Free University Amsterdam with Professor Jan Baak and Professor Mary Leader RCSI Dublin before finishing her SR training in Cork and Dublin. She was lecturer at the Mater Hospital for two years prior to establishing her Ophthalmic surgery practice at Blackrock Clinic, Dublin, in 1996.
Since 2012 she has restricted her practice to orbital, lacrimal and oculoplastic surgery with a special interest in neuromodulation and facial asymmetry. In 2000 she presented a symposium on the use of Botulinum Toxin for Rejuvenation for Allergan at the Royal Society of Medicine, London before subsequently writing a didactic handbook in 2003. This book has been published in six languages and the second edition is in press, with a focus on the Art of botulinum toxin administration for rejuvenation