What type of patients uniformly require a threshold 24-degree central field test?

Patients with glaucoma typically require a threshold 24-degree central field test because this specific test is designed to assess the central visual field and is particularly sensitive to detecting the kind of peripheral vision loss that is characteristic of glaucoma. Glaucoma affects the optic nerve, often leading to the gradual loss of peripheral vision. The 24-degree central field test provides a comprehensive view of central vision and the integrity of the visual pathways, which is crucial for monitoring the progression of the disease and the efficacy of treatment.

This test is standardized to help clinicians evaluate the extent of any visual field loss in glaucoma patients, making it an essential part of their regular eye examinations. Other conditions listed, while they may involve vision changes, do not uniformly require this specific type of central field testing for diagnosis or management in the way glaucoma does.