Health Condition 1: null- CONVERGENCE INSUFFICIENCY
Conditions
Interventions
Sponsors
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
| Measure | Time 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
| Measure | Time 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