Preference Contact Lenses

contact lenses
A thin plastic lens placed directly on the surface of the eye to correct visual defects
(contact lens) 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
(Contact lens) A small plastic disc containing an optical correction that is worn directly on the cornea as a substitute for eyeglasses.
(contact lens) contact: a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication

preference
predilection: a predisposition in favor of something; "a predilection for expensive cars"; "his sexual preferences"; "showed a Marxist orientation"
the right or chance to choose; "given my druthers, I'd eat cake"
A greater liking for one alternative over another or others
A thing preferred
Favor shown to one person or thing over another or others
a strong liking; "my own preference is for good literature"; "the Irish have a penchant for blarney"