Ametropia

• CLINICAL_TRIALS research · 2025-10-03
  Clinical Trial Update: Post Marketing Clinical Study on the Efficacy of Lenses From a New Prescription Protocol [NA]

  A post-marketing clinical study evaluating the efficacy of prescription lenses under a new prescription protocol. It is sponsored by Essilor…

• CLINICAL_TRIALS research · 2025-08-27
  Clinical Trial Update: North American Comfilcon A Clinical Study

  Clinical trial update notes that the North American Comfilcon A study for astigmatism, presbyopia, and ametropia is currently recruiting.

• CLINICAL_TRIALS research · 2025-04-29
  Clinical Trial Update: The Objective of This Study is to Evaluate the Perfomance of a Photorefraction Device for Screening Ametropia in Children. Eligible Participants Will Undergo Multiple Refractive Error Measurements, Visual Acuity and Strabismus Assessments During a Single Evaluation Visit. [NA]

  A clinical trial evaluating the performance of a photorefraction device for screening ametropia and related refractive errors in children; r…

• CLINICAL_TRIALS research · 2025-04-04
  Clinical Trial Update: Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children With a Smartphone/add-on Device in India [NA]

  Completed clinical trial evaluating a smartphone add-on photoretinoscopy method to determine objective refraction in children in India, spon…

• CLINICAL_TRIALS research · 2025-04-02
  Clinical Trial Update: Optimization of a Photoretinoscopy Method for Determining the Objective Refraction of Children [NA]

  An update on optimizing a photoretinoscopy method to determine objective refraction in children. The trial is sponsored by Essilor Internati…

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• CLINICAL_TRIALS research · 2024-11-01
  Clinical Trial Update: Performance of Refractometers With Self-adjusting Lenses Compared to Cycloplegia in Children (REFRALENS)

  This clinical trial update examines how refractometers with self-adjusting lenses perform compared with cycloplegic refraction in children.

• CLINICAL_TRIALS research · 2023-11-02
  Clinical Trial Update: Clinical Comparison of Two Daily Disposable Toric Soft Contact Lenses [NA]

  Clinical trial comparing two daily disposable toric soft contact lenses for astigmatism and ametropia completed; results posted in 2023.

• CLINICAL_TRIALS research · 2020-06-11
  Clinical Trial Update: Performance of Toric Hydrogel Lenses Following A Refit With Toric Silicone Hydrogel Lenses for 1 Month [NA]

  A completed clinical trial evaluating the performance of toric hydrogel lenses after refitting with toric silicone hydrogel lenses over 1 mo…

• CLINICAL_TRIALS research · 2020-02-18
  Clinical Trial Update: Clinical Biocompatibility Evaluation of Contact Lens Coatings [NA]

  Clinical trial evaluating the biocompatibility of contact lens coatings; study completed with results posted.