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In conclusion, no nurse should shy away from understanding the finances of the health care world. We must all embrace the need to understand the costs of care. As we gain this basic understanding, we can excel in demonstrating ideas to improve health care in the most efficient manner, a winning combination in today's financially focused world!

Violation of the ISNT rule in Nonglaucomatous pediatric optic disc cupping.

Purpose: To determine whether nonglaucomatous optic disc cupping in children violates the ISNT rule (which states that for normal optic discs the neuroretinal rim width is greatest in the order inferior >or= superior >or= nasal >or= temporal).

Methods: Digital ocular fundus photographs from a random cohort of children with large optic disc cups of nonglaucomatous origin were analyzed in masked fashion by using computer graphic software. The diameter and perimeter of each optic disc and optic cup and the width of the neuroretinal rim were drawn and measured.