Simultaneous bilateral cataract surgery: economic analysis; Helsinki Simultaneous Bilateral Cataract Surgery Study Report 2.

Purpose: To present an economic-analysis comparison of simultaneous and sequential bilateral cataract surgery.

Setting: Helsinki University Eye Hospital, Helsinki, Finland.

Design: Economic analysis.

Simultaneous bilateral versus sequential bilateral cataract surgery: Helsinki Simultaneous Bilateral Cataract Surgery Study Report 1.

Purpose: To evaluate the refractive outcomes, complication rates, and changes in patients' functional state and satisfaction with simultaneous compared with sequential bilateral cataract surgery.

Setting: Helsinki University Eye Hospital, Helsinki, Finland.

Design: Clinical trial.

Treating keratoconus with intacs corneal ring segments.

Purpose: To assess the safety and efficacy of Intacs inserts for the treatment of mild to moderate keratoconus.

Methods: In a nonrandomized prospective clinical trial, 50 eyes of 37 patients with mild to moderate keratoconus were implanted with asymmetrical pairs of Intacs segments. Patients were interviewed and observed preoperatively and 24 hours, 1 week, 1, 3, 6, and 12 months postoperatively.