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Long-term impact of dry eye symptoms on vision-related quality of life after phacoemulsification surgery.

PURPOSE: To observe the long-term changes in dry eye symptoms and vision-related quality of life in age-related cataract patients after phacoemulsification.

METHODS: A total of 101 cataract patients after phacoemulsification combined with IOL implantation (Ph-IOL) in one eye were enrolled. Visual acuity, tear film breakup time (BUT), and Schirmer test 1 (ST1) were measured before and 1, 3, and 6 months after surgery. Ocular Surface Disease Index (OSDI) scores were used to evaluate the severity of dry eye symptoms. Utility values were assessed by the time trade-off (TTO), standard gamble for death (SGD), standard gamble for blindness (SGB) and rating scale (RS).

RESULTS: The average LogMAR visual acuity in the operated eye was 1.35 ± 0.50 and increased rapidly after Ph-IOL, approaching a peak at 3 months (0.26 ± 0.15). The BUT and ST1 results decreased abruptly 1 month after surgery and gradually recovered until 6 months. OSDI scores increased significantly after surgery and gradually decreased until 6 months. Utility values evaluated by TTO, SGD, SGB and RS before surgery were 0.67 ± 0.19, 0.75 ± 0.15, 0.67 ± 0.20 and 0.2 ± 0.18, respectively, and increased to 0.91 ± 0.06, 0.98 ± 0.04, 0.92 ± 0.52 and 0.91 ± 0.06, 6 months after. Utility values measured with TTO, SGB or RS correlated significantly (P < 0.05) with visual acuity and OSDI scores pre- and postoperatively.

CONCLUSIONS: Dry eye symptoms persist more than 3 months after Ph-IOL. Utility values were negatively influenced by dry eye symptoms.

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