Re-evaluate the lenses at the next follow-up visit. If these are acceptable, dispense the lenses and allow the patient to adapt. Assess fit and visual acuity at both distance and near. Step 4: Evaluate on-eye performance of the trial multifocal contact lenses. Your trial 54 Multifocal contact lenses will arrive in 2-4 business days Success is dependent upon accurate pupil size measurements. The size of the multifocal zones will be determined by the patient's pupil sizes in ambient/regular room illumination. Near center lenses OU is recommended as a starting point. Step 3: Contact the SpecialEyes Consultation Department or use the online SpecialEyes Multifocal Simulator to determine the multifocal zone sizes. If you prefer to design the lens yourself, use the SpecialEyes Arc Length Calculator or Prescribing Nomogram to determine the base curve and diameter of the multifocal contact lens, Step 2: Contact SpecialEyes and let us design the 54 Multifocal contact lenses for you. If you are interested in learning techniques to measure a patient’s HVID, visit our How to Measure HVID page available in the learning center. Tools & Resources SpecialEyes 54 Multifocal Fitting Guide for designing and prescribing custom soft multifocal contact lenses Step 1: Obtain patient Ks, manifest Rx, HVID (if possible), add power, and pupil size.
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