Cure My Disease

Don't miss your cure!

 Log in / Sign up

Stick-On lenses may help hemianopia patients see more

NCT ID NCT07531667

Symptom relief Sponsor: Indonesia University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether a special stick-on lens called a Fresnel prism can help people with hemianopia (blindness on one side of vision) see a wider area. Twenty-five adults with this condition wore the prism on their glasses for a period. The researchers measured changes in their visual field and how comfortable the prism felt. The goal was to see if this simple device could improve mobility and reduce fall risk.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Fresnel prism (a special stick-on lens placed on glasses to widen the field of vision)
What this could lead to
If it works, this could offer a simple, non-surgical way to help people with hemianopia see more to their blind side, reducing falls and improving confidence.
What could go wrong
This was a small, single-site study with only 25 participants and no comparison group. The prism may cause visual confusion or discomfort, and results may not apply to everyone.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

25 people

The number who actually took part.

Started

May 2022

Finished

Aug 2022

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.

Ages

18 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: * subjects with a diagnosis of partial or complete homonymous hemianopia based on the results of the Humphrey perimetry examination; * age 18 years or older; * corrected visual acuity of 6/18 or better; and * willing to give consent for this study and consistently follow the rehabilitation process. Exclusion Criteria: * ocular motility disorders; the primary position of the eyeball was not orthophoric; and * walking disorders that resulted in poor fixation of glasses.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Fresnel prism are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Hemianopsia

As listed by the trial registrant

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

Fresnel prism

Contacts and locations

Locations

  • Department of Ophthalmology, Faculty of Medicine Universitas Indonesia Cipto Mangunkusumo Hospital, Indonesia

    Jakarta, DKI Jakarta, 14430, Indonesia