N/A N=40

Assessment of Visual Performance in Patients With Low Levels of Astigmatism

Cataract Extraction · Corneal Astigmatism

Bottom Line

View on ClinicalTrials.gov: NCT00842231 ↗

Enrolled (actual)

Serious AEs

—

Results posted

Sep 2010

Primary outcome: Primary: High and Low Contrast Acuity — 0.0855; 0.065; 0.082 logMAR

Study Design & Population

Study type: Observational
Phase: N/A
Interventions: Visual performance measures (Other)
Age: Adult, Older Adult · 50+ yrs
Sex: All
Sponsor: Alcon Research
Primary completion: Mar 2009

Outcome Measures

Outcome	Result	p-value
PRIMARY High and Low Contrast Acuity	0.0855; 0.065; 0.082	—
PRIMARY Contrast Sensitivity	-0.047; 0.0896; 0.0038; -0.009; 0.0176; 0.0241	—
PRIMARY Reading Acuity and Speed	2.7469; 7.3292; 11.7498; 17.5404; 10.1643; 13.4166	—

Summary

To assess visual performance in patients with low levels (0.5-0.75 Diopters) of corneal astigmatism.

Eligibility Criteria

Inclusion Criteria

50-75 years of age
Proof of eye exam within the last 12 months
Operated for uncomplicated, age-related cataracts >3 months
Corneal astigmatism of 0.5-0.75 diopter

Exclusion Criteria

Previous ocular or refractive surgery/trauma
Clinically severe corneal dystrophy
Amblyopia
Degenerative visual disorders

View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT00842231). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.