Mucopolysaccharide hyaluronic acid is present in -
The normal youthful vitreous gel is composed of a network of randomly-oriented collagenfibrils interspersed with numerous spheroidalmacromolecules of hyaluronic acid. Ref comprehensive ophthalamology AK Khurana 4th edition page no:243 .
Vitreous humor
Cornea
Blood vessels
Lens
Vitreous and retina