Contact Lens Center

contact lens
A thin plastic lens placed directly on the surface of the eye to correct visual defects
contact: a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of the eye.
A thin lens, made of flexible or rigid plastic, that is placed directly on to the eye to correct vision, used as an alternative to spectacles, or, if coloured, to change one's eye color cosmetically

center
The middle point of a circle or sphere, equidistant from every point on the circumference or surface
A point or part that is equally distant from all sides, ends, or surfaces of something; the middle
A pivot or axis of rotation
an area that is approximately central within some larger region; "it is in the center of town"; "they ran forward into the heart of the struggle"; "they were in the eye of the storm"
focus on: center upon; "Her entire attention centered on her children"; "Our day revolved around our work"
center(a): equally distant from the extremes