Complex sentence: Graduating in the top 10% of his class at the Duke University School of Medicine, Sime never played sports professionally, instead becoming an ophthalmologist in Florida, where he was a pioneer in intraocular lens transplants.
Split into simpler sentences: Graduating in the top 10% of his class at the Duke University School of Medicine, Sime never played sports professionally. He was an ophthalmologist in Florida, where he was a pioneer in intraocular lens transplants.