Tacoma, Wash.-based Hillhaven Corp. exercised options to...

Tacoma, Wash.-based Hillhaven Corp. exercised options to acquire 20 nursing centers for $90.3 million from Santa Monica-based National Medical Enterprises Inc. . . . Staar Surgical Co. of Monrovia said it laid off 31 employees, 35% of its work force, because of delays obtaining Federal Drug Administration approval of lenses it makes for cataract-removal patients. . . . Real estate mogul Donald J. Trump reached an agreement with creditors on a plan to restructure $353 million in Trump Castle debt, satisfying New Jersey regulators who had threatened to appoint a conservator for the troubled Atlantic City casino. . . . Weak advertising revenue prompted the Boston Globe newspaper to reduce its management staff by 10%, or 20 people, through an early retirement program. . . . Cincinnati-based fruit distributor Chiquita Brands International Inc. dropped plans to acquire Hutchinson, Kan.-based meat processor Doskocil Cos., which is in Chapter 11 bankruptcy proceedings.