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Optic Nerve Exam vs. Visual Field Test: How Glaucoma Is Evaluated

Glaucoma is one of those conditions that can look deceptively simple from the outside and still be remarkably complicated in the exam room. A patient may feel fine, read the chart well, and have no obvious trouble getting around, yet the disease may already be affecting the eye. That is why glaucoma diagnosis depends on more than one test. An optic nerve exam can reveal structural damage. A visual field test can show whether that damage has begun to affect function. Add an