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A Cohort Study and Database of Severe Visual Impairment Diseases in Infants, Children, and Adolescents

A Cohort Study and Database of Severe Visual Impairment Diseases in Infants, Children, and Adolescents

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600117879
Enrollment
Unknown
Registered
2026-01-29
Start date
2026-02-01
Completion date
Unknown
Last updated
2026-02-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Childhood glaucoma

Interventions

Trab group :Trabeculectomy surgery
Tube group :Tube shunt surgery

Sponsors

Beijing Tongren Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
No minimum to 17 Years

Inclusion criteria

Inclusion criteria: I. Inclusion Criteria for Childhood Glaucoma / II. Inclusion Criteria for Glaucoma Following Cataract Surgery in Children: 1.Compliance with Diagnostic Criteria for Childhood Glaucoma: Age: 0–17 years old. Diagnosis: Must meet at least two of the following criteria: Intraocular Pressure (IOP): >21mmHg. Optic Disc Changes: Enlargement or cupping (neuroretinal rim thinning). In cases of similar optic disc size, a cup-to-disc (C/D) ratio asymmetry >= 0.2, focal rim thinning, or progressive C/D ratio enlargement (diffuse rim thinning). Corneal Changes: Presence of Haab striae, corneal edema, or enlarged corneal diameter >= 11 mm; infants 12mm; children of any age >13 mm). Axial Growth: Progressive myopia or myopic shift associated with an axial length increase exceeding normal physiological growth rates. Visual Field Defects: Reproducible visual field defects corresponding to glaucomatous optic neuropathy (after excluding other pathologies). 2.Follow-up/History Requirements: For General Childhood Glaucoma: At least one follow-up record is required (minimum 6 months post-surgery). For Post-Cataract Glaucoma: History of prior cataract surgery. 3.Consent & Compliance: Informed consent obtained from the patient and/or legal guardian, with demonstrated good compliance. III. Inclusion Criteria for Anterior Segment Dysgenesis (including Aniridia, Axenfeld-Rieger Syndrome, and Primary Congenital Glaucoma): 1.Diagnosis of Primary Congenital Glaucoma (PCG): Onset Age: = 21 mmHg prior to treatment. Clinical Symptoms: Presentation of one or more of the following: corneal edema, Haab striae, enlarged corneal diameter, C/D ratio >0.3 or asymmetry >0.2, and increased axial length. Exclusion of Anomalies: Absence of concurrent ocular or systemic developmental anomalies. Differential Diagnosis: Exclusion of any other potential causes for the above clinical changes. 2.Diagnosis of Axenfeld- Rieger Syndrome (ARS): Corneal Dysgenesis: Presence of posterior embryotoxon. Iris Dysgenesis: Abnormal iris development (e.g., corectopia, atrophy). Angle and Ocular Abnormalities: Developmental defects of the anterior chamber angle and other ocular tissues. Systemic Abnormalities: Developmental defects of the teeth and craniofacial bones, such as hypodontia, dental defects, abnormal tooth morphology, impacted teeth, or micrognathia. 3.Other ASD Conditions: Includes congenital aniridia and other anterior segment dysgenesis disorders.

Exclusion criteria

Exclusion criteria: I. Exclusion Criteria for Childhood Glaucoma: Non-glaucomatous Ocular Abnormalities: Presence of concurrent ocular conditions (unrelated to glaucoma) that significantly affect visual acuity, such as intraocular tumors or a history of corneal transplantation. Insufficient Follow-up: Patients with a postoperative follow-up duration of less than six months. Incomplete Surgical History: Patients for whom detailed information regarding prior surgical procedures is unavailable. II. Exclusion Criteria for Glaucoma Following Cataract Surgery in Children: Non-glaucomatous Ocular Abnormalities: Presence of concurrent ocular conditions (unrelated to glaucoma) that significantly affect visual acuity, such as intraocular tumors or a history of corneal transplantation. Incomplete Surgical History: Patients for whom detailed information regarding prior surgical procedures is unavailable. III. Exclusion Criteria for Primary Congenital Glaucoma, Axenfeld-Rieger Syndrome, and Aniridia: Secondary Glaucoma: Exclusion of all types of secondary glaucoma (except for those inherent to the specified syndromes). Non-glaucomatous Ocular Abnormalities: Presence of other ocular conditions that impair vision, such as ocular trauma or intraocular masses/tumors.

Design outcomes

Primary

MeasureTime frame
Intraocular pressure;Types of anti glaucoma drugs;

Secondary

MeasureTime frame
Incidence of complications;Best corrected visual acuity;Visual acuity;

Countries

China

Contacts

Public ContactQiao Chunyan

Beijing Tongren Hospital

chunyan_qiao@163.com+86 176 1067 8637

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 7, 2026