Status:

RECRUITING

A-eyedrops on Ocular Alignment and Binocular Vision

Lead Sponsor:

Eye & ENT Hospital of Fudan University

Conditions:

Exotropia

Exophoria

Eligibility:

All Genders

5-14 years

Phase:

NA

Brief Summary

Atropine is a non-selective muscarinic acetylcholine (M) receptor antagonist that paralyzes the ciliary muscle, dilates the pupil, and reduces the power of accommodation. Current studies have confirme...

Detailed Description

The prevalence of myopia in the world has exceeded 25% and is increasing year by year. Asia, especially China, is an area with high incidence of myopia. It is reported that the prevalence of myopia in...

Eligibility Criteria

Inclusion

  • The age ranged from 5 to 14 years;
  • Astigmatism \< 2.5D, spherical power: - 1.00D \~ -6.00D; difference between eyes in spherical power \< 1.5D, difference between eyes in astigmatism \< 1.00D;
  • Intraocular pressure \< 21mmHg;
  • Ocular alignment fulfilling the following criteria:Exophoria with an exodeviation at near \> 6PD12; Intermittent exotropia with an exodeviation ≤25 PD both at distance and at near, Titmus \<=400 arc seconds; Intermittent exotropia patients underwent strabismus surgery, 6 months after operation, fulling the criteria of exophoria and intermittent exotropia mentioned before.
  • Subjects and their parents or legal guardians have signed informed consent and are willing to accept randomized grouping and regular follow-up.

Exclusion

  • Amblyopia
  • Have heart disease or serious respiratory disease
  • Allergic to atropine, cyclopentantone, propoxybenzocaine and benzalkonium chloride;
  • Those who have used contact lenses, bifocal lenses, or other measures to control myopia (including atropine);
  • No binocular vision;
  • Combined with vertical strabismus≥5PD, abnormal oblique muscle function≥ 2+, cyclodeviation, DVD or A-V pattern, paralytic and restrictive strabismus, comitant esotropia;
  • Previous history of other ocular surgery;
  • Severe complications during or after strabismus surgery, such as perforation of the sclera, tear and detachment of extraocular muscle; postoperative eye movement limitation; visual acuity decreased after operation;
  • Combined with other ocular diseases;
  • Craniofacial malformations affecting the orbits;
  • significant neurological disorders;
  • Birth less than 34 weeks or birth weight less than 1500 g;
  • Intraocular pressure \> 21mmhg;
  • Unable to cooperate with the examination.

Key Trial Info

Start Date :

March 2 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

February 1 2027

Estimated Enrollment :

339 Patients enrolled

Trial Details

Trial ID

NCT05379855

Start Date

March 2 2024

End Date

February 1 2027

Last Update

February 25 2025

Active Locations (1)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 1 (1 locations)

1

Eye and ENT Hospital, Fudan University

Shanghai, China