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Treatment of convergence insufficiency

A Randomized controlled trial to compare the efficacy of pencil push-up therapy with orthoptic therapy in emmetropic patients of convergence insufficiency.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2018/05/013560
Enrollment
80
Registered
2018-05-01
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

Health Condition 1: null- CONVERGENCE INSUFFICIENCY

Interventions

Intervention1: not applicable: not applicable Intervention2: orthoptic therapy and pencil push up: orthoptic therapy will be performed by patients on synoptophore for 20 min thrice a weeks .pencil pus

Sponsors

ALL INDIA INSTITUTE OF MEDICAL SCIENCES RISHIKESH
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Age 9-35 years. Emmetropic patients with unaided visual acuity 6/6. Convergence insufficiency symptom survey (CISS) score more than 16. Receded near point of convergence more than 7.5 cm. Exophoria at near (4-prism dioptre greater at near than distance). Insufficient PFV at near (PFV blur / break of more than 15 prism). Willingness to participate in the study.

Exclusion criteria

Exclusion criteria: Convergence insufficiency patients previously treated with orthoptic exercise or pencil push-up exercises. Constant strabismus. History of strabismus surgery. Prior refractive surgery. Vertical phoria > 1 prism dioptre. Manifest and latent nystagmus. Systemic diseases known to affect accommodation, vergence and ocular motility such as graves thyroid disease, diabetes, multiple sclerosis myasthenia gravis

Design outcomes

Primary

MeasureTime frame
Near point of convergence: a. Any value less than 7.5 will be considered cured. b. Improvement of 4 or more from the baseline will be considered improved.Timepoint: 6 weeks

Secondary

MeasureTime frame
Convergence insufficiency symptom survey score a. CISS score less than 16 will be considered asymptomatic b.Decrease of at least 10 or more from the baseline will be considered improved.Timepoint: 6 weeks

Countries

India

Contacts

Public ContactDr Anupam
dr.anupamsingh@gmail.com8475000188

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 13, 2026