Treatment of convergence insufficiency

Not Applicable

Completed

• Conditions: Health Condition 1: null- CONVERGENCE INSUFFICIENCY

• Registration Number: CTRI/2018/05/013560
• Lead Sponsor: ALL INDIA INSTITUTE OF MEDICAL SCIENCES RISHIKESH

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Completion: 2019-04-30
• Last Update Posted: 24 November 2021

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 80

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

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

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
ear point of convergence: <br/ ><br>a. Any value less than 7.5 will be considered cured. <br/ ><br>b. Improvement of 4 or more from the baseline will be considered <br/ ><br>improved.Timepoint: 6 weeks

Secondary Outcome Measures

Name	Time	Method
Convergence insufficiency symptom survey score <br/ ><br>a. CISS score less than 16 will be considered asymptomatic <br/ ><br>b.Decrease of at least 10 or more from the baseline will be considered <br/ ><br>improved.Timepoint: 6 weeks