The human<unk> is a transparent membrane which allows light to pass through it. The word<unk>  opacification literally means loss of normal transparency of<unk>  The term<unk>  is used particularly for the loss of transparency of<unk> due to scarring. Transparency of the<unk> is dependent on the uniform diameter and the regular spacing and arrangement of the collagen fibrils within the stroma. Alterations in the spacing of collagen fibrils in a variety of conditions including<unk>  edema, scars, and macular<unk>  dystrophy is clinically manifested as<unk> . The term<unk>  blindness" is commonly used to describe blindness due to<unk> .
Corneal opacity
Cryptophthalmos
Enophthalmos
Conjunctival concretion
Macular corneal dystrophy
Exophthalmos
Enophthalmia
Xerophthalmia