Type of collagen absent in sclera ?: (A) collagen 1, (B) collagen 2, (C) collagen 3, (D) collagen 4
Answer is B. Type 2 is absent in sclera Type 1 is predominamt type of collagen found in sclera with haphazardous arrangement of collagens CORNEA- regular arrangement of collagen bundles of Type 1 (major) and type 3 (minor) in descemet's membrane -collagen type 4 is found.