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05:21 Jul 27, 2005
This question was closed without grading. Reason: Answer found elsewhere
English to Italian translations [PRO] Other / eyewear
English term or phrase:centre-near
centre-near progressive lens with a toric back surface
Explanation: lenti a contatto progressive con il spessore centro
Concentric Center Near Designs-- Pupil size assessment is critical to success with concentric center near lenses. Small pupils require small add zone diameters to provide adequate distance viewing, while larger pupils require larger add zones on each eye. With any pupil size, it's often beneficial to use smaller central near zones on the dominant eye to enhance distance viewing and larger central near zones on the nondominant eye to enhance near viewing. A significant part of fitting these designs is determining the proper add zone size for each eye to optimize visual performance. Excellent centration is important with any center near contact lens design. Patients who are exposed to a wide variety of light levels and who have extreme variations in pupil size may experience some fluctuation in vision. All concentric center near designs offer multiple near zone sizes (Table 1).
volha Local time: 19:46 Native speaker of: Belarusian, Russian