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Enrolling by invitation NCT07007897

Observational Study - TA- 2025-1

— Observational Astigmatism

For patients and families

In plain language

An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.

What is being studied
The protocol lists: Optical Biometry, Cataract Surgery.
Who it may be relevant to
Registry conditions: Astigmatism. Basic parameters: from 21 years · All.
What needs checking
Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
Where it takes place
United States
Next step
Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →

Unsure about the terms? Read our patient guide →

Official title

Toric Alignment Observational Study 2025-1

Overview

This multi-centric, prospective observational study collects biometric datasets as well as associated video recordings of the surgical procedure.

Interventions

  • Device Optical Biometry
    Biometric measurements of the eye used for surgical planning will be obtained.
  • Procedure Cataract Surgery
    A video recording of the surgical procedure will be obtained.

Primary outcome measures

  • Biometric data [Time frame: one-time measurement before surgery]
  • Video recording [Time frame: during the surgical procedure]
Secondary outcome measures (1)
  • Software algorith [Time frame: up to 6 months]

Eligibility criteria

Inclusion criteria

  • diagnosed with cataracts (any grade),
  • Seeking cataract treatment,
  • willing to provide informed consent.

Exclusion criteria

  • Active ocular infections or trauma.
  • Poor fixation ability (e.g., severe nystagmus).
  • Prior intraocular surgery.
  • Seeking toric IOL implantation requiring ink marking.

Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.

Healthy volunteers: No

Study design

Observational model
Case-only

Study locations

United States · 2 centers
  • East Valley Ophthalmology — Mesa
  • Pacific Clear Vision Institute — Eugene

Identifiers

NCT: NCT07007897 · 9360002

Primary sources (government registries)

View this study on ClinicalTrials.gov ↗