N/A N=40 Assessment of Visual Performance in Patients With Low Levels of Astigmatism
Cataract Extraction · Corneal Astigmatism
Primary: High and Low Contrast Acuity — 0.0855; 0.065; 0.082 logMAR
Clinical Trial Search
Completed trials with posted results — search by concept, filter by the parameters that matter at the bedside.
Phase 3 N=50 Comparison of Cross-cylinder and Conventional Photorefractive Keratectomy(PRK) in Correcting Medium-high Astigmatism
Astigmatism
Primary: Correction of Astigmatism — -0.54; -0.59 diopter — p=<0.05
N/A N=11 Evaluating and Improving Functional Driving Vision of Patients With Astigmatism
Astigmatism
Primary: Tactical Composite Score — -1.73; 0.19; 1.54 Z score
N/A N=51 Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3
Astigmatism
Primary: Tactical Composite Score — 0.34; -0.01; -0.33 score on a scale
N/A N=94 Femtosecond Laser Assisted Keratotomies for the Management of Corneal Astigmatism
Astigmatism · Cataract
Primary: Keratometric Correction Index — 0.51 index
N/A N=30 Tolerance to Residual Astigmatism in Eyes With Vivity®
Lenses, Intraocular
Primary: Distance Against the Rule Astimatism — 0.01 LogMAR
N/A N=45 Bilateral Dispensing Clinical Trial of Stenfilcon A Against Etafilcon A for Astigmatism
Astigmatism
Primary: Comfort — 88; 78; 85; 77 units on a scale
N/A N=600 Calhoun Vision Light Adjustable Lens (LAL) in Subjects With Pre-Existing Corneal Astigmatism
Cataract
Primary: Percent Reduction in Manifest Cylinder — 74.6; 19.9 percent reduction in manifest cylinder
N/A N=39 Clinical Performance of Atypical Contact Lens Powers on Subjects With Astigmatism
Astigmatism
Primary: Assessment of Conjunctival Hyperemia in Subjects That Are High Myopes (Have a High Degree of Nearsightedness) — 1.10; 1.23 Units on a scale
N/A N=94 Evaluation of Two Daily Disposable Contact Lenses for Wearers With Astigmatism
Astigmatism · Myopia
Primary: Quality of Vision (Crisp and Clear) — 8.8; 8.6 units on a scale
N/A N=35 Toric Contact Lens Performance Study
Astigmatism
Primary: Near Visual LogMAR Acuity — -0.09; -0.02 LogMAR
N/A N=114 Toric Eye Strain and Stability Study
Astigmatism
Primary: Objective Comfort Assessed by Electromyography(EMG) — 0.082; 0.047; 0.085; 0.257 volts
N/A N=23 Toric Contact Lens Digital Performance and Comfort Study
Astigmatism
Primary: Near Visual LogMAR Acuity — -0.10; -0.03 LogMAR
N/A N=262 Evaluation of Astigmatic Contact Lenses
Visual Acuity
Primary: Monocular Distance Visual Acuity (VA) — 258; 263 Eyes
N/A N=53 Quantification of the Visual Benefits of Soft Toric Contact Lenses Compared to Soft Spherical Contact Lenses
Astigmatism
Primary: Visual Acuity — 0.2 logMAR
N/A N=242 Evaluate the Safety and Effectiveness of the Biotrue ONEday for Astigmatism
Astigmatism
Primary: Proportion of Participants Achieving a Contact Lens Corrected Distance logMAR VA of 0.04 or Better — 105; 92 Participants
N/A N=80 Visual Assessment of DAILIES® AquaComfort Plus® for Astigmatism as Compared to 1-DAY ACUVUE® MOIST® for Astigmatism
Astigmatism
Primary: High Contrast Time Controlled Visual Acuity (TCVA) at Day 10 — 0.02; 0.04 VA units
N/A N=84 Safety and Effectiveness of Wavefront-guided LASIK for the Correction of Mixed Astigmatism
Astigmatism
Primary: Line Loss of More Than Two Lines for Best Spectacle Corrected Visual Acuity (BSCVA) — 149 eyes
N/A N=84 Conventional Surgery vs. Verion/VerifEye
Cataract · Astigmatism
Primary: Residual Refractive Cylinder — 0.28; 0.33 Diopters
N/A N=71 Evaluation of ACUVUE OASYS® 1-Day for Astigmatism Lenses Produced on a New Manufacturing Line
Visual Acuity
Primary: CLUE Comfort Score — 65.95; 65.13; 67.39; 70.80 Units on a scale
Phase 4 N=26 Low Cylinder Toric
Cataracts
Primary: Uncorrected Distance Visual Acuity — 0.09 logMAR
N/A N=40 Visual Performance Investigation of Two Toric Soft Contact Lenses
Refractive Error · Astigmatism · Myopia
Primary: Mean Ocular Coma Score at 5mm Pupil at Day 30 — 0.16; 0.24 micrometers
N/A N=30 Evaluation of ACUVUE® OASYS 1-Day for Astigmatism Contact Lenses With Alternative Lidstock
Ocular Physiology
Primary: Proportion of Eyes With Moderate or Severe Subject-Reported Ocular Symptoms — 0; 0; 0; 0 Proportion of eyes
N/A N=236 Clinical Comparison of Two Daily Disposable Toric Lenses
Myopia · Astigmatism
Primary: Overall Vision — 8.2; 7.5 Units on a scale
N/A N=86 Performance of Dailies Total1® Contact Lenses for Astigmatism in Symptomatic Habitual Reusable Toric Lens Wearers
Astigmatism
Primary: Contact Lens Dry Eye Questionnaire (CLDEQ-8) Score — 16.8; 12.4 score on a scale
N/A N=161 Clinical Evaluation of Spherical Soft Contact Lenses, Toric Soft Contact Lenses and Spectacles in Low Astigmats
Visual Acuity
Primary: High Luminance High Contrast Monocular Visual Acuity (LogMAR) — -0.126; -0.028 logMAR
N/A N=71 Rotational Stability of the AcrySof® Toric
Cataract
Primary: Rotational Stability — 4 degrees
N/A N=200 Clinical Evaluation of Two Toric Contact Lenses in Current Non-toric Lens Users
Astigmatism
Primary: Overall Success in Fitting With a Toric Contact Lens — 80; 74; 70 percentage of participants
N/A N=25 A Clinical Study to Evaluate The Safety and Effectiveness of Performing 0.50 Diopter Astigmatism Correction on the Commercially Available RxSight Light Adjustable Lens (LAL)
Aphakia · Cataract
Primary: Mean Manifest Refraction Cylinder (MRCYL) Compared Between the Three Study Groups, LAL Treatment Group and Historical Control Groups — -0.14 Diopter (D)
N/A N=27 Vision Stability and Preference for Soft Toric vs. Soft Spherical Contact Lenses
Astigmatism · Myopia
Primary: Vision Stability While Doing Tasks on Mobile Phone — 88.37; 85.30 units on a scale