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Comparative Analysis of Short-Term Visual Performance of Four Daily Simultaneous Vision Center-Near Multifocal
Ainhoa Molina-Martín1, Elena Martínez-Plaza, Kevin Mena-Guevara
1Group of Optics and Visual Perception, Department of Optics (A.M.-M., E.M.-P., K.M.-G., D.F., V.G.-V., D.P.P.), Pharmacology and Anatomy, University of Alicante, Spain; University of Valladolid (E.M.-P.), Valladolid, Spain; Alicante Institute for Health and Biomedical Research (ISABIAL) (V.G.-V.), Alicante, Spain; and Department of Ophthalmology (D.P.P.), Advanced Clinic Optometry Unit, Vithas Medimar International, Alicante, Spain.
Four daily disposable multifocal contact lenses (MCLs) showed good visual performance. Asymmetrical designs may offer better near vision and stereopsis for presbyopic patients.
Area of Science:
- Ophthalmology
- Optometry
- Vision Science
Background:
- Presbyopia affects near vision in individuals over 40.
- Multifocal contact lenses (MCLs) offer a solution for presbyopia.
- Daily disposable MCLs provide convenience and hygiene.
Purpose of the Study:
- Compare visual performance and satisfaction of four daily disposable MCLs.
- Analyze differences between symmetrical and asymmetrical near addition designs.
Main Methods:
- Randomized crossover study with 20 presbyopic participants.
- Assessed distance, intermediate, and near visual acuity (VA).
- Evaluated defocus curves, contrast sensitivity function (CSF), stereopsis, and patient satisfaction (VAS).
Main Results:
- BioTrue showed better distance VA than MyDay (P=0.018).
- BioTrue had significantly limited near VA (P≤0.036).
- Asymmetrical designs improved stereopsis (P≤0.018); no significant CSF differences found.
Conclusions:
- Daily disposable MCLs offer satisfactory short-term visual outcomes.
- Individualized selection based on lens design is recommended.
- Asymmetrical designs may enhance near VA and do not compromise stereopsis.
