What is a normal near-point convergence distance?

A normal near-point convergence distance refers to the closest distance at which an object can be clearly focused using both eyes while they converge inward. This distance can be an important measure of an individual's visual capabilities.

For most adults, a near-point convergence distance of approximately 5 cm is considered normal, which corresponds to the ability to maintain binocular vision at a close range without straining. This distance can reflect an individual's visual comfort and coordination, especially in tasks that require close-up focus, such as reading.

While other distances offered in the choices may appear to be reasonable, they fall outside the typical range for normal near-point convergence for most individuals. Therefore, understanding this standard helps in assessing visual and health aspects of sports medicine and overall ocular functionality.