Pediatric ophthalmology and childhood reading difficulties: Convergence insufficiency: relationship to reading and academic performance.

Patients with convergence insufficiency (CI) are often symptomatic during activities that require near fixation, such as reading. Indeed, CI has been associated with reading impairment and poor academic performance. However, these associations do not prove a causal relationship between these conditions. The current evidence regarding the relationship between CI and its treatment, reading ability, and academic performance is discussed.