Structure of the eye, the possession lens dioptric lens which agrees to the especially ciliary body groove is disclosed. This lens as stress of the lens for the internal constitution of the eye is held down to minimum, the eye and/or loses the excessive springing out of the lens which is easy to make the form of eye inside structure deform. The lens, has with the optical body and one contact body at least. For example the contact body, the 1st part which it adjoins to the optical body and, from the 1st contact part the 2nd part which in facing outside extending is put out and, being provided between the 1st and 2nd contact parts, the movement limits which it tries to be able to agree to the form of the ciliary body groove of the eye the 2nd contact part (, the groove of the lens surface or, the nick) with it consists.
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