The unit of measurement in describing lesion size and location on the fundus is the

Question

Quizplus · Accepted Answer

When examining the eye and the fundus comes into focus, the branching of blood vessels becomes apparent. These always branch away from the optic disc and can be used as landmarks to locate the optic disc. The disc itself measures about 1.5 mm in diameter and the disc diameter is therefore the unit of measurement used to describe lesion size and location on the fundus.

The Unit of Measurement in Describing Lesion Size and Location