ClinicalTrials.Veeva

Menu

Patient Perception of Visual Distortions

Abbott logo

Abbott

Status

Completed

Conditions

Cataract
Astigmatism

Treatments

Other: Administration of patient self-assessment

Study type

Observational

Funder types

Industry

Identifiers

NCT02203747
TIOL-201-VPAS

Details and patient eligibility

About

The purpose of this study is to evaluate visual distortions reported by pseudophakic patients.

Enrollment

79 patients

Sex

All

Ages

22+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Corneal astigmatism of at least 0.75 diopters
  • Bilaterally-implanted with monofocal toric intraocular lenses in both eyes or with monofocal non-toric intraocular lenses in both eyes
  • At least one month postoperative from second-eye surgery
  • Ability to understand, read and write English to give consent and complete study questionnaire
  • Availability, willingness, and sufficient cognitive awareness to comply with examination procedures and study visits
  • Sign informed consent and Health Insurance Portability and Accountability Act (HIPAA) authorization
  • Other protocol-defined inclusion criteria may apply

Exclusion criteria

  • Any ocular pathology of clinical significance, as determined by the investigator, other than regular corneal astigmatism, that may affect visual outcomes or influence subjective ocular visual symptoms
  • Patient is pregnant or is lactating
  • Participation in any other clinical trial during the last 30 days prior to study enrollment or concurrent participation in any other ongoing clinical trial
  • Other protocol-defined exclusion criteria may apply

Trial design

79 participants in 2 patient groups

Pseudophakic implanted with toric IOL
Description:
Subjects bilaterally implanted with toric IOL
Treatment:
Other: Administration of patient self-assessment
Pseudophakic implanted with non-toric IOL
Description:
Subjects bilaterally implanted with non-toric IOL
Treatment:
Other: Administration of patient self-assessment

Trial contacts and locations

1

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems