How a Nerve Fiber Layer Scan Supports Accurate Optic Nerve Evaluation
A careful optic nerve evaluation has never depended on one clue alone. The nerve head, surrounding retinal tissue, visual field performance, pressure readings, family history, and symptoms all matter. Still, few tests sharpen the picture as effectively as a nerve fiber layer scan. When used well, it gives structure to what can otherwise feel like a subjective judgment, especially in the early stages of glaucoma or when optic nerve appearance is borderline and hard to interp