Preference Toric Contact Lenses

contact lenses
(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.
A thin plastic lens placed directly on the surface of the eye to correct visual defects
(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
a strong liking; "my own preference is for good literature"; "the Irish have a penchant for blarney"
predilection: a predisposition in favor of something; "a predilection for expensive cars"; "his sexual preferences"; "showed a Marxist orientation"
Favor shown to one person or thing over another or others
A greater liking for one alternative over another or others
A thing preferred
the right or chance to choose; "given my druthers, I'd eat cake"

toric
Toric is a village in the municipality of Bileca, Bosnia and Herzegovina.
In optics, a toric lens is a type of lens whose surface is a combination of a sphere and a cylinder. One surface of the lens is spherical, the other toroidal. Such lenses are commonly used for vision correction, in cases where there is astigmatism.
Having the form of a torus or part of a torus
(of a contact lens) Having two different curves instead of one, used to correct both astigmatism and near- or farsightedness
A lens design with two different optical powers at right angles to each other for the correction of astigmatism.