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Eye scanner showdown: can new tech reduce need for ultrasound in dense cataracts?

NCT ID NCT07475832

Knowledge-focused Sponsor: Berkeley Eye Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at two different eye scanners (ARGOS and IOLMaster 700) used to measure the length of the eye in people with dense cataracts. Researchers wanted to see if the newer scanner could get accurate measurements more often, potentially reducing the need for a more involved ultrasound test. The study involved 61 adults who had already had cataract surgery and whose medical records were reviewed.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

61 people

The number who actually took part.

Started

Oct 2023

Finished

Oct 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Pseudophakic adults who previously underwent complex cataract surgery for poor red reflex or poor visualization due to dense cataract and had pre-operative biometry with both the ARGOS and IOLMaster 700.

Ages

45 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Adults aged 45 years and older * Previously underwent complex cataract removal by phacoemulsification with a clear corneal incision in one or both eyes more than 1 month before enrollment * Complex cataract removal was performed for poor red reflex or poor visualization due to lens density or opacification * Pre-operative dense cataract in the study eye, defined as greater than or equal to 3+ posterior subcapsular cataract, 3+ nuclear sclerotic cataract, 3+ cortical cataract, or any combination of these * Pre-operative biometry performed with both the ARGOS and IOLMaster 700 * Other than cataract, clear intraocular media, with no corneal opacity or vitreous hemorrhage Exclusion Criteria: * Pre-operative mature or white cataract in the study eye * Any corneal abnormality, other than regular corneal astigmatism, that in the opinion of the investigator would confound study outcomes * History of or current retinal condition, or predisposition to retinal conditions, other than posterior vitreous detachment, that in the opinion of the investigator would confound study results * Amblyopia or strabismus in either eye * Nystagmus or other condition that would hamper axial length capture because of poor fixation * History of or current anterior or posterior segment inflammation of any etiology * Any form of ocular neovascularization * Diagnosed degenerative eye disorders * Acute or chronic disease or illness that, in the opinion of the investigator, would confound study results, including immunocompromised state, connective tissue disease, or clinically significant atopic disease

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Conditions

The condition(s) this trial relates to.

cataract

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Cataract

Contacts and locations

Locations

  • Berkeley Eye Center - Sugar Land

    Sugar Land, Texas, 77478, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.