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Multifocal contact lens success predictability.

Percy Lazon de la Jara1, Anna Sulley2, Pasquale Pepe3

  • 1CooperVision, Inc., 6150 Stoneridge Mall Road, Pleasanton, CA 94588 USA.

Contact Lens & Anterior Eye : the Journal of the British Contact Lens Association
|January 12, 2024
PubMed
Summary
This summary is machine-generated.

Initial overall vision satisfaction (OVS) with multifocal contact lenses (MFCLs) at dispensing strongly predicts 1-week OVS and intention to purchase (ITP). Patient subjective feedback is a reliable indicator of MFCL success.

Keywords:
Intention to purchaseMultifocal contact lensPredictabilityVision satisfaction

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Area of Science:

  • Ophthalmology
  • Optometry
  • Vision Science

Background:

  • Multifocal contact lenses (MFCLs) are increasingly prescribed for presbyopia correction.
  • Predicting patient satisfaction with MFCLs early in the fitting process is crucial for successful adaptation.
  • Understanding the relationship between initial lens response and long-term outcomes is essential for clinical practice.

Purpose of the Study:

  • To quantify the relationship between initial patient response to soft MFCL designs at dispensing and predict overall vision satisfaction (OVS) and intention to purchase (ITP) after one week of wear.
  • To evaluate the predictability of OVS and ITP based on dispensing-day subjective assessments.

Main Methods:

  • A multi-study analysis combining data from three prospective studies with a standardized protocol.
  • Dispensing of four different soft MFCLs (MyDay multifocal, clariti 1 day multifocal, Biofinity multifocal, 1 DAY ACUVUE MOIST MULTIFOCAL) for 1-week daily wear.
  • Assessment of OVS using a 100-point Visual Analog Scale (VAS) and ITP using a 5-point Likert scale at 1-week, with analysis of 14 potential predictors at dispensing using CHAID statistical testing.

Main Results:

  • A total of 210 participants (mean age 53.9 years) across 420 MFCL fits were analyzed.
  • Overall vision satisfaction (OVS) at dispensing was a highly significant predictor of both 1-week OVS (p < 0.001) and 1-week ITP (p < 0.001).
  • High OVS at dispensing (>91 points) predicted good 1-week OVS (70.8%), while low OVS (≤80 points) predicted poor 1-week OVS (73.4%). High OVS (>94 points) predicted positive ITP (74.6%), and low OVS (≤63 points) predicted negative ITP (65.9%).

Conclusions:

  • Overall vision satisfaction assessed at the time of MFCL dispensing is a powerful predictor of both subsequent vision satisfaction and the patient's intention to purchase.
  • Initial subjective patient assessments during lens fitting provide a clinically valuable indicator of the likelihood of successful MFCL wear.
  • This finding supports the use of early subjective feedback in guiding MFCL fitting and patient management.