When drusen bodies are noted to be increasing in number or in intensity of color, the patient should be further evaluated with a(n)

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Drusen bodies, when they increase in number or intensity of color, may indicate a precursor state of macular degeneration. When this happens, the patient's central vision should be assessed using the Amsler grid. The Snellen chart measures visual acuity, the litmus test is used for determining testing pH, and the confrontation test examines peripheral vision. The KWB system is a way of classifying retinal changes associated with hypertension.

When Drusen Bodies Are Noted to Be Increasing in Number