The vitreous is normally transparent. In the past, the transparency of the vitreous and associated problems of detailed clinical examination resulted in poorly defined concepts of vitreous pathology. With ultrasonography: “traction”, “contraction”, “organization”, “opacity” of the vitreous is standardized nomenclature in respect of both nature and location, and surgical techniques have been applied as necessary. Up to now there is no classification of vitreous opacity in medical literature. Author’s 3 degrees of vitreous opacity classification ultrasonography was introduced with some details of description. Some results with this classification were reported here in.