Brock string
Brock String
The Brock String (/brɒk/ /strɪŋ/) is a diagnostic and therapeutic tool used in vision therapy and optometry. It is named after its inventor, American optometrist Frederick W. Brock.
Etymology
The term "Brock String" is derived from the name of its inventor, Frederick W. Brock, and the English word "string", referring to the physical form of the tool.
Description
The Brock String is a simple device consisting of a long string with several colored beads. It is used to diagnose and treat various binocular vision disorders, such as convergence insufficiency, strabismus, and amblyopia. The patient focuses on different beads along the string to improve their visual skills.
Usage
In a typical Brock String exercise, the patient holds one end of the string against their nose, while the other end is attached to a stationary object. The patient then focuses on each bead in turn, which helps to improve their eye coordination, depth perception, and visual perception.
Related Terms
- Vision Therapy: A therapeutic program designed to improve visual skills and abilities.
- Optometry: The healthcare profession concerned with the eyes and related structures, as well as vision, visual systems, and vision information processing in humans.
- Binocular Vision: The ability to maintain visual focus on an object with both eyes, creating a single visual image.
- Convergence Insufficiency: A condition characterized by the inability to maintain proper binocular eye alignment during reading and other near tasks.
- Strabismus: A condition in which the eyes do not properly align with each other when looking at an object.
- Amblyopia: A vision development disorder in which an eye fails to achieve normal visual acuity, even with prescription eyeglasses or contact lenses.
External links
- Medical encyclopedia article on Brock string
- Wikipedia's article - Brock string
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