Which of the following is the least common corneal dystrophy –: (A) Macular dystrophy, (B) Lattice type I, (C) Lattice type III, (D) Granular corneal dystrophy
Answer is A. Epithelial basement membrane dystrophy is the most common anterior corneal dystrophy.
Lattice dystrophy is the most common stromal corneal dystrophy (Lattice Type I is the commonest
Macular dystrophy is the least common stromal dystrophy.
Fuch's endothelial dystrophy is the most common Posterior (endothelial) corneal dystrophy.