Frequency 55 Contact Lens : Ciba Contact Lense : Contact Lens Prescription Release

Frequency 55 Contact Lens

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
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 plastic lens placed directly on the surface of the eye to correct visual defects
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

frequency
The ratio of the number of actual to possible occurrences of an event
The fact of being frequent or happening often
the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"
the ratio of the number of observations in a statistical category to the total number of observations
Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency.
The rate at which something occurs or is repeated over a particular period of time or in a given sample

55
Country Code: +55 International Call Prefix: 00 then Carrier Code
Year 55 (LV) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.
fifty-five: being five more than fifty

Frequency
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