Congenital hereditary endothelial dystrophy with progressive sensorineural deafness (Harboyan syndrome)

Table 1 The endothelial (posterior) corneal dystrophies – inheritance and onset

	CHED1	CHED2	PPCD1	PPCD2	PPCD3	FECD1	FECD2
Inheritance	Dominant	Recessive	Dominant	Dominant	Dominant	Dominant	Sporadic or Dominant and more severe in females
Gene	20p11.2-q11.2 [3]	SLC4A11[4]	VSX1[5]	COL8A2[6]	TCF8[7]	COL8A2[6]	13pTel-13q12.13 and 18q21.2-q21.32 [8, 9]
Onset	Early	Birth	Early	Early	Early	Early	Late, 4^th decade

ISSN: 1750-1172