Orthophoria

Orthophoria is a term used in optometry and ophthalmology to describe a condition where the eyes are properly aligned with each other. This alignment allows for binocular vision, which is the ability to maintain visual focus on an object with both eyes, creating a single visual image. Lack of orthophoria, or improper alignment, can lead to conditions such as strabismus and amblyopia.

Definition

Orthophoria is a state of alignment in which the visual axes of the eyes meet at the desired point without any corrective force. It is the natural state of rest for the eyes when a person is not focusing on an object. In other words, when a person with orthophoria looks at an object, each eye is able to focus on the object without any strain or effort.

Diagnosis

Orthophoria is diagnosed through a comprehensive eye examination. This examination may include tests to measure the individual's ability to focus their eyes and to move them. The Cover test is one of the most common tests used to diagnose orthophoria. During this test, the individual focuses on a target while one eye is covered. The uncovered eye is observed for any movement when the other eye is covered and uncovered.

Treatment

Orthophoria does not require any treatment as it is the normal state of the eyes. However, if a person has symptoms such as eye strain, headaches, or difficulty reading, they should consult an eye care professional. These symptoms could be a sign of a condition other than orthophoria.

See also

• Heterophoria
• Esophoria
• Exophoria

References

Orthophoria Resources
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