Columbia subject headings:
Art and vision disorders.
Degas, Edgar, 1834-1917--Criticism and interpretation.
Degas, Edgar, 1834-1917--Health.
Harvard subject headings:
Art and vision disorders
Degas, Edgar, 1834-1917--Criticism and interpretation.
Vision disorders--Patients--France--Biography.
Princeton subject headings:
Art and vision disorders.
Degas, Edgar, 1834-1917--Criticism and interpretation.
Degas, Edgar, 1834-1917--Health.
Vision disorders--Patients--France--Biography.