Corneal dystrophies are usually -
Corneal dystrophies are inherited disorders in which the cells have some inborn defects due to which the pathological changes may occur with passage of time leading to development of corneal haze in otherwise normal eyes that are free from inflammation or vascularization.Dystrophies occur bilaterally manifesting occasionally at bih. REF:Comprehensive ophthalmology,AK Khurana,6th edition,pg no.124
Primarily unilateral
Primarily bilateral
c)Primarily unilateral without systemic disease
d) Primarily bilateral with systemic disease
Cornea and sclera