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New eye drops may replace reading glasses for millions

NCT ID NCT07151612

Symptom relief Sponsor: Shanxi Eye Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a special eye drop (esculin and digitalis glycosides) can improve near vision in people with presbyopia, the age-related difficulty focusing on close objects. 62 adults aged 40-55 took part. The goal was to see if the drops help the eye's focusing muscle work better, reducing the need for reading glasses.

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

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

62 people

The number who actually took part.

Started

Sep 2025

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.

Ages

40 to 55 years

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: * Age is within the range of 40 - 55 years old. * After mydriasis, for one eye, the refractive power is within -0.5D - 2.0D and the astigmatism is ≤ 1.0D. * When measuring uncorrected visual acuity with a standard logarithmic visual acuity chart, the uncorrected distance visual acuity (UDVA) of both eyes is ≥ 1.25, and the uncorrected near visual acuity (UNVA) is ≤ 0.8. * When using a slit lamp to detect cataract development according to the LOCS Ⅲ grading standard, no NO3 - NC3 or more severe lens opacity is detected; and no ocular surface diseases, visual fatigue, or any corneal diseases (such as dry eye, corneal injury, corneal opacity, keratoconus, or having undergone corneal refractive surgery, etc.) are detected. * The subject has not used Ginkgo biloba extract dichloride eye drops within 2 weeks; has no known or suspected allergy to digitalis - like drugs; and has not used insulin, anti - anxiety drugs, antidepressants, antipsychotics, antihistamines, antispasmodics, diuretics, etc. Exclusion Criteria: * Age is not in the range of 40 - 55 years old. * After mydriasis, for one eye, the refractive power is higher than 2.0D or lower than -0.5D, or the astigmatism is higher than 1.0D. * When measuring the uncorrected distance visual acuity (UDVA) of both eyes with a standard logarithmic visual acuity chart, if the UDVA is lower than 1.25, or the uncorrected near visual acuity (UNVA) is higher than 0.8. * When using a slit lamp to detect cataract development according to the LOCS Ⅲ grading standard, NO3 - NC3 or more severe lens opacity is detected in the lens; or ocular surface diseases, visual fatigue, or any corneal diseases (such as dry eye, corneal injury, corneal opacity, keratoconus, or having undergone corneal refractive surgery, etc.) are detected. * The subject has used Ginkgo biloba extract dichloride eye drops within 2 weeks; has known or suspected allergy to digitalis - like drugs; or has used insulin, anti - anxiety drugs, antidepressants, antipsychotics, antihistamines, antispasmodics, diuretics, etc.

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Conditions

The condition(s) this trial relates to.

presbyopia

As listed by the trial registrant

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

Presbyopia

Contacts and locations

Locations

  • Shanxi Eye Hospital

    Taiyuan, Shanxi, 030000, China

More trials for these conditions

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