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Three-dimensional Laser Scanning of 2 Lincoln Life Masks

Ronald S. Fishman, MD; Adriana Da Silveira, DDS, MS, PhD

Arch Ophthalmol. 2007;125(8):1126-1130.

Examination of 2 life masks of Abraham Lincoln's face was performed by means of 3-dimensional laser surface scanning. This technique enabled documentation and analysis of Lincoln's facial contours and demonstrated his marked facial asymmetry, particularly evident in the smaller left superior orbital rim. This may have led to retroplacement of the trochlea on the left side, leading, in turn, to the mild superior oblique paresis that was manifested intermittently during adulthood.

Author Affliliations: Dr Fishman is retired. Craniofacial Center, University of Illinois, Chicago (Dr Da Silveira). Dr Da Silveira is now with Dell Children's Craniofacial Center, Austin, Texas.