Analysis of postoperative ocular surface changes and intervention effect after pars plana vitrectomy in meibomian gland dysfunction dry eye patients
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Bo-Jie Hu. Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Fu-Kang Road, Xi-Qing District, Tianjin 300384, China. bhu07@tmu.edu.cn

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Supported by the Natural Science Foundation of Tianjin City (No.20JCZXJC00040); Tianjin Key Medical Discipline (No.Specialty) Construction Project (No.TJYXZDXK-037A); The Science & Technology Development Fund of Tianjin Education Commission for Higher Education (No.2022ZD058).

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    Abstract:

    AIM: To observe ocular surface changes after phacovitrectomy in patients with mild to moderate meibomian gland dysfunction (MGD)-type dry eye and track clinical treatment response using a Keratograph 5M and a LipiView interferometer. METHODS: Forty cases were randomized into control group A and treatment group B; the latter received meibomian gland treatment 3d before phacovitrectomy and sodium hyaluronate before and after surgery. The average non-invasive tear film break-up time (NITBUTav), first non-invasive tear film break-up time (NITBUTf), non-invasive measured tear meniscus height (NTMH), meibomian gland loss (MGL), lipid layer thickness (LLT) and partial blink rate (PBR) were measured preoperatively and 1wk, 1 and 3mo postoperatively. RESULTS: The NITBUTav values of group A at 1wk (4.38±0.47), 1mo (6.76±0.70), and 3mo (7.25±0.68) were significantly lower than those of group B (7.45±0.78, 10.46±0.97, and 11.31±0.89; P=0.002, 0.004, and 0.001, respectively). The NTMH values of group B at 1wk (0.20±0.01) and 1mo (0.22±0.01) were markedly higher than those of group A (0.15±0.01 and 0.15±0.01; P=0.008 and P<0.001, respectively); however, there was no difference at 3mo. The LLT of group B at 3mo [91.5 (76.25-100.00)] significantly exceeded that of group A [65.00 (54.50-91.25), P=0.017]. No obvious intergroup difference was found in MGL or PBR (P>0.05). CONCLUSION: Mild to moderate MGD dry eye worsens in the short term after phacovitrectomy. Preoperative cleaning, hot compresses, and meibomian gland massage as well as preoperative and postoperative sodium hyaluronate promote the rapid recovery of tear film stability.

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Bo-Shi Liu, Jiao-Ting Wei, Ze-Tong Nie, et al. Analysis of postoperative ocular surface changes and intervention effect after pars plana vitrectomy in meibomian gland dysfunction dry eye patients. Int J Ophthalmol, 2023,16(5):721-729

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Publication History
  • Received:July 27,2022
  • Revised:March 16,2023
  • Adopted:
  • Online: April 27,2023
  • Published: