the study of the causes and treatment of blindness.
Origin of typhlology
1870–75; < Greek typhló(s) blind + -logy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
the branch of science concerned with blindness and the care of the blind
Word Origin for typhlology
C19: from Greek tuphlos blind
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012