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Eye pressure clue could sharpen vision after retinal surgery

NCT ID NCT07283614

Knowledge-focused Sponsor: Kazakh Eye Research Institute 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 This study
Running, but no longer taking on new participants.
Completed
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at whether having low eye pressure before surgery changes how well doctors can predict your final glasses prescription after a combined cataract and retinal detachment repair. Researchers will compare two groups of people: those with low eye pressure and those with normal pressure. The goal is to improve surgical planning and visual outcomes.

What this could mean

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

Active substance
Combined phacovitrectomy with intraocular lens implantation and silicone oil tamponade
What this could lead to
If successful, this could help surgeons better predict vision correction after this type of eye surgery, leading to more accurate glasses or contact lens prescriptions.
What could go wrong
This is a small, observational study with only 45 participants, so results may not apply to everyone. It does not test a new treatment, only measures outcomes.

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

About 45 people

The number the study aims to enrol. It can still change while the study runs.

Started

Dec 2025

Expected to finish

Oct 2026

An estimate. End dates often move.

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

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: * Diagnosis of primary rhegmatogenous retinal detachment (RRD) * Single-stage combined phacovitrectomy with clear corneal phacoemulsification with IOL implantation and 25G pars plana vitrectomy with silicone oil tamponade in the study eye * Preoperative intraocular pressure (IOP) in the study eye measured by Goldmann applanation tonometry: Hypotony group: IOP ≤ 7 mmHg; Normotony group: IOP \> 7 mmHg * Planned silicone oil removal approximately 3 months after the initial combined surgery and ability to attend follow-up for refractive assessment 1 month after silicone oil removal * Age (e.g., ≥18 years) and ability to provide informed consent Exclusion Criteria: * Previous intraocular surgery in the study eye * Secondary or complex RRD associated with ocular trauma, uveitis or other active intraocular inflammation, proliferative diabetic retinopathy or other advanced vascular retinopathies, significant ocular malformations or congenital anomalies of the globe or posterior segment, pre-existing advanced glaucoma or uncontrolled ocular hypertension, or other optic nerve pathology that could confound visual and refractive outcomes, corneal opacity, significant corneal irregularity, or media opacity precluding reliable biometry or accurate axial length measurement in the study eye, systemic diseases or autoimmune conditions with known ocular involvement that may affect the retina, choroid, or refraction

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Conditions

The condition(s) this trial relates to.

ocular hypotension primary eye hypotony rhegmatogenous retinal detachment

As listed by the trial registrant

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

Hypotony ocular Rhegmatogenous retinal detachment

Contacts and locations

Locations

  • Kazakh Eye Research Institute

    Almaty, 050012, Kazakhstan

More trials for these conditions

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